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docs: Update temperature_fan PID documentation in Config_Reference.md 

Reported by @dewi-ny-je.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2022-04-11 11:43:47 -04:00
parent 38e82e8d8f
commit 4a8a76ead8
1 changed files with 15 additions and 4 deletions
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19
docs/Config_Reference.md
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@ -2517,14 +2517,25 @@ information.
#sensor_type:
#sensor_pin:
#control:
#pid_Kp:
#pid_Ki:
#pid_Kd:
#pid_deriv_time:
#max_delta:
#min_temp:
#max_temp:
# See the "extruder" section for a description of the above parameters.
#pid_Kp:
#pid_Ki:
#pid_Kd:
# The proportional (pid_Kp), integral (pid_Ki), and derivative
# (pid_Kd) settings for the PID feedback control system. Klipper
# evaluates the PID settings with the following general formula:
# fan_pwm = max_power - (Kp*e + Ki*integral(e) - Kd*derivative(e)) / 255
# Where "e" is "target_temperature - measured_temperature" and
# "fan_pwm" is the requested fan rate with 0.0 being full off and
# 1.0 being full on. The pid_Kp, pid_Ki, and pid_Kd parameters must
# be provided when the PID control algorithm is enabled.
#pid_deriv_time: 2.0
# A time value (in seconds) over which temperature measurements will
# be smoothed when using the PID control algorithm. This may reduce
# the impact of measurement noise. The default is 2 seconds.
#target_temp: 40.0
# A temperature (in Celsius) that will be the target temperature.
# The default is 40 degrees.