Kod: Zaznacz cały
#define PIDTEMPBED
//#define BED_LIMIT_SWITCHING
/**
* 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)
//#define MIN_BED_POWER 0
//#define PID_BED_DEBUG // Sends debug data to the serial port.
// 120V 250W silicone heater into 4mm borosilicate (MendelMax 1.5+)
// from FOPDT model - kp=.39 Tp=405 Tdead=66, Tc set to 79.2, aggressive factor of .15 (vs .1, 1, 10)
#define DEFAULT_bedKp 10.00
#define DEFAULT_bedKi .023
#define DEFAULT_bedKd 305.4
// FIND YOUR OWN: "M303 E-1 C8 S90" to run autotune on the bed at 90 degreesC for 8 cycles.
#endif // PIDTEMPBED
#if EITHER(PIDTEMP, PIDTEMPBED)
//#define PID_DEBUG // Sends debug data to the serial port. Use 'M303 D' to toggle activation.
//#define PID_OPENLOOP // Puts PID in open loop. M104/M140 sets the output power from 0 to PID_MAX
//#define SLOW_PWM_HEATERS // PWM with very low frequency (roughly 0.125Hz=8s) and minimum state time of approximately 1s useful for heaters driven by a relay
#define PID_FUNCTIONAL_RANGE 10 // If the temperature difference between the target temperature and the actual temperature
// is more than PID_FUNCTIONAL_RANGE then the PID will be shut off and the heater will be set to min/max.
#endif