Siemens SIMATIC S7-1200 Function Manual page 168

Using PID_Temp
6.2 Configuring PID_Temp
Output
OutputHeat_PER
OutputCool
OutputCool_PWM
OutputCool_PER
The low limit of PID output value (heating) (Config.Output.Heat.PidLowerLimit) has to have the value
0.0, if the cooling is activated (Config.ActivateCooling = TRUE).
The high limit of PID output value (cooling) (Config.Output.Cool.PidUpperLimit) must always have the
value 0.0.
168
Value pair Parameter
Value pair 1 PID output value high limit (heating)
Config.Output.Heat.PidUpperLimit,
Scaled high analog output value (heating)
Config.Output.Heat.PerUpperScaling
Value pair 2 PID output value low limit (heating)
Config.Output.Heat.PidLowerLimit,
Scaled low analog output value (heating)
Config.Output.Heat.PerLowerScaling
Value pair 1 PID output value low limit (cooling)
Config.Output.Cool.PidLowerLimit,
Scaled high output value (cooling)
Config.Output.Cool.UpperScaling
Value pair 2 PID output value high limit (cooling)
Config.Output.Cool.PidUpperLimit,
Scaled low output value (cooling)
Config.Output.Cool.LowerScaling
Value pair 1 PID output value low limit (cooling)
Config.Output.Cool.PidLowerLimit,
Scaled high PWM output value (cooling)
Config.Output.Cool.PwmUpperScaling
Value pair 2 PID output value high limit (cooling)
Config.Output.Cool.PidUpperLimit,
Scaled low PWM output value (cooling)
Config.Output.Cool.PwmLowerScaling
Value pair 1 PID output value low limit (cooling)
Config.Output.Cool.PidLowerLimit,
Scaled high analog output value (cooling)
Config.Output.Cool.PerUpperScaling
Value pair 2 PID output value high limit (cooling)
Config.Output.Cool.PidUpperLimit,
Scaled low analog output value (cooling)
Config.Output.Cool.PerLowerScaling
Function Manual, 03/2017, A5E35300227-AC
PID control