Technology instructions
10.2 PID control
S7-1200 Programmable controller
System Manual, V4.2, 09/2016, A5E02486680-AK
635
Output value limits and scaling
Cooling activation disabled
If you configure the PID_Temp instruction as master for a cascade “Activate output (cooling)”
checkbox in “Basic settings” view is unchecked and disabled, all settings in the “Output
settings” view that depend on cooling activation are disabled, too.
The figure below shows the "Output value limits and scaling” section in the “Output settings”
view with cooling deactivated (OutputHeat_PWM selected in “Input / output parameters” view
and OutputHeat always enabled):
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