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temperaturecontrol-options [2017/04/22 00:42]
wolfmanjm
temperaturecontrol-options [2017/04/25 12:41]
rom1detroyes Spelling mistake : Â
Line 17: Line 17:
 || temperature_control.[[module_name]].bang_bang || false || Set to true to use bang bang control rather than PID ||  || temperature_control.[[module_name]].bang_bang || false || Set to true to use bang bang control rather than PID || 
 || temperature_control.[[module_name]].hysteresis || 2.0 || Set to the temperature in degrees C to use as hysteresis for bang bang control ||  || temperature_control.[[module_name]].hysteresis || 2.0 || Set to the temperature in degrees C to use as hysteresis for bang bang control || 
-|| temperature_control.[[module_name]].i_max || 64 || Maximum value for the I variable in the PID control. This should usually be set to about the same value as <​kbd>​max_pwm</​kbd>​ ( as a rule of thumb, it is not actually a pwm setting ). This helps with preventing overshoot when initially heating up. If you get a strong ( >10°C ​) overshoot on startup, try setting this to a value lower than <​kbd>​max_pwm</​kbd>​ || +|| temperature_control.[[module_name]].i_max || 64 || Maximum value for the I variable in the PID control. This should usually be set to about the same value as <​kbd>​max_pwm</​kbd>​ ( as a rule of thumb, it is not actually a pwm setting ). This helps with preventing overshoot when initially heating up. If you get a strong ( >10°C ) overshoot on startup, try setting this to a value lower than <​kbd>​max_pwm</​kbd>​ || 
 || temperature_control.[[module_name]].sensor || thermistor || Set the type of sensor used to read temperature. Values can be <​kbd>​thermistor</​kbd>​ for the usual thermistor reading via ADC method, or <​kbd>​max31855</​kbd>​ to read values from a thermocouple over SPI. See [[http://​smoothieware.org/​temperaturecontrol#​thermocouple|Reading a thermocouple]] ||  || temperature_control.[[module_name]].sensor || thermistor || Set the type of sensor used to read temperature. Values can be <​kbd>​thermistor</​kbd>​ for the usual thermistor reading via ADC method, or <​kbd>​max31855</​kbd>​ to read values from a thermocouple over SPI. See [[http://​smoothieware.org/​temperaturecontrol#​thermocouple|Reading a thermocouple]] || 
 || temperature_control.[[module_name]].chip_select_pin || <​kbd>​0.16</​kbd>​ || If the sensor is set to <​kbd>​max31855</​kbd>,​ sets the chip select pin for the SPI port. This allows you to have multiple sensors sharing the same SPI port, as long as they each get a chip select ( CS ) pin. ||  || temperature_control.[[module_name]].chip_select_pin || <​kbd>​0.16</​kbd>​ || If the sensor is set to <​kbd>​max31855</​kbd>,​ sets the chip select pin for the SPI port. This allows you to have multiple sensors sharing the same SPI port, as long as they each get a chip select ( CS ) pin. ||