diff --git a/config/examples/BIBO/TouchX/default/Configuration.h b/config/examples/BIBO/TouchX/default/Configuration.h index 357d2fffee..1ccee91612 100644 --- a/config/examples/BIBO/TouchX/default/Configuration.h +++ b/config/examples/BIBO/TouchX/default/Configuration.h @@ -724,6 +724,7 @@ * 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. + * @section bed temp */ //#define PIDTEMPBED @@ -750,7 +751,52 @@ // 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) +//=========================================================================== +//==================== PID > Chamber Temperature Control ==================== +//=========================================================================== + +/** + * PID Chamber Heating + * + * If this option is enabled set PID constants below. + * If this option is disabled, bang-bang will be used and CHAMBER_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 200W + * heater. If your configuration is significantly different than this and you don't understand + * the issues involved, don't use chamber PID until someone else verifies that your hardware works. + * @section chamber temp + */ +//#define PIDTEMPCHAMBER +//#define CHAMBER_LIMIT_SWITCHING + +/** + * Max Chamber Power + * Applies to all forms of chamber control (PID, bang-bang, and bang-bang with hysteresis). + * When set to any value below 255, enables a form of PWM to the chamber heater that acts like a divider + * so don't use it unless you are OK with PWM on your heater. (See the comment on enabling PIDTEMPCHAMBER) + */ +#define MAX_CHAMBER_POWER 255 // limits duty cycle to chamber heater; 255=full current + +#if ENABLED(PIDTEMPCHAMBER) + #define MIN_CHAMBER_POWER 0 + //#define PID_CHAMBER_DEBUG // Print Chamber PID debug data to the serial port. + + // Lasko "MyHeat Personal Heater" (200w) modified with a Fotek SSR-10DA to control only the heating element + // and placed inside the small Creality printer enclosure tent. + // + #define DEFAULT_chamberKp 37.04 + #define DEFAULT_chamberKi 1.40 + #define DEFAULT_chamberKd 655.17 + // M309 P37.04 I1.04 D655.17 + + // FIND YOUR OWN: "M303 E-2 C8 S50" to run autotune on the chamber at 50 degreesC for 8 cycles. +#endif // PIDTEMPCHAMBER + +#if ANY(PIDTEMP, PIDTEMPBED, PIDTEMPCHAMBER) //#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 diff --git a/config/examples/BIBO/TouchX/default/Configuration_adv.h b/config/examples/BIBO/TouchX/default/Configuration_adv.h index 8bca64e8d5..0efc792b76 100644 --- a/config/examples/BIBO/TouchX/default/Configuration_adv.h +++ b/config/examples/BIBO/TouchX/default/Configuration_adv.h @@ -210,6 +210,13 @@ // // Heated Chamber options // +#if DISABLED(PIDTEMPCHAMBER) + #define CHAMBER_CHECK_INTERVAL 5000 // (ms) Interval between checks in bang-bang control + #if ENABLED(CHAMBER_LIMIT_SWITCHING) + #define CHAMBER_HYSTERESIS 2 // (°C) Only set the relevant heater state when ABS(T-target) > CHAMBER_HYSTERESIS + #endif +#endif + #if TEMP_SENSOR_CHAMBER //#define HEATER_CHAMBER_PIN P2_04 // Required heater on/off pin (example: SKR 1.4 Turbo HE1 plug) //#define HEATER_CHAMBER_INVERTING false @@ -3536,7 +3543,6 @@ */ //#define LASER_POWER_TRAP - // // Laser I2C Ammeter (High precision INA226 low/high side module) //