Update Bed PID comments

2.0.x
Scott Lahteine 7 years ago
parent 56486c5c0e
commit dca69efc11

@ -399,23 +399,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -399,23 +399,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -408,23 +408,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 206 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -399,23 +399,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -410,23 +410,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -406,23 +406,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -399,23 +399,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -399,23 +399,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -399,23 +399,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -387,23 +387,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -400,23 +400,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -387,23 +387,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -400,23 +400,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -404,23 +404,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -399,23 +399,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -413,23 +413,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -404,23 +404,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -403,23 +403,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -404,23 +404,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -387,23 +387,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -387,23 +387,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -404,23 +404,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -409,23 +409,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -399,23 +399,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -409,23 +409,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -409,23 +409,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -403,23 +403,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -409,23 +409,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -419,23 +419,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -407,23 +407,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -398,23 +398,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -399,23 +399,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -399,23 +399,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -399,23 +399,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -399,23 +399,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -399,23 +399,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -402,23 +402,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -418,23 +418,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -400,23 +400,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -399,23 +399,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -399,23 +399,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -436,23 +436,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -399,23 +399,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -399,23 +399,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -410,23 +410,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -399,23 +399,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -423,23 +423,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -399,23 +399,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -399,23 +399,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -404,23 +404,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -399,23 +399,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -404,23 +404,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -404,23 +404,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -404,23 +404,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -409,23 +409,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -399,23 +399,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -399,23 +399,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -391,23 +391,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -403,23 +403,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -412,23 +412,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -399,23 +399,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 175 // limits duty cycle to bed; 255=full current
// This limit is set to 175 by default in the Makibox configuration and it can be adjusted
// to increase the heatup rate. However, if changed, be aware of the safety concerns of

@ -400,23 +400,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -388,23 +388,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

@ -404,23 +404,30 @@
//===========================================================================
//============================= PID > Bed Temperature Control ===============
//===========================================================================
// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
//
// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
// If your configuration is significantly different than this and you don't understand the issues involved, you probably
// shouldn't use bed PID until someone else verifies your hardware works.
// If this is enabled, find your own PID constants below.
/**
* PID Bed Heating
*
* If this option is enabled set PID constants below.
* If this option is disabled, bang-bang will be used and BED_LIMIT_SWITCHING will enable hysteresis.
*
* The PID frequency will be the same as the extruder PWM.
* If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
* which is fine for driving a square wave into a resistive load and does not significantly
* impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W
* heater. If your configuration is significantly different than this and you don't understand
* the issues involved, don't use bed PID until someone else verifies that your hardware works.
*/
//#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
/**
* Max Bed Power
* Applies to all forms of bed control (PID, bang-bang, and bang-bang with hysteresis).
* When set to any value below 255, enables a form of PWM to the bed that acts like a divider
* so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
*/
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
#if ENABLED(PIDTEMPBED)

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