Process Control Instructions
Rockwell Automation Publication 1756-RM006K-EN-P - November 2018 97
Selecting the Control Variable
Once the PID algorithm has been executed, select the CV based on program or
operator control and the current PID mode.
CV Windup Limiting
Limit the CV such that its value cannot increase when WindupHIn is set or
decrease when WindupLIn is set. These inputs are typically the WindupHOut or
WindupLOut outputs from a secondary loop. The WindupHIn and WindupLIn
inputs are ignored if CVInitializing, CVFault, or CVEUSpanInv is set.
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