Micromod RetroPAK: SLC Configuration Manual - Manual (Page 360)

Command Series Migration to MOD 30ML
Function Code 156 – PID Ratio with Remote SP
To change the process variable high alarm (FC21-S7):
Open the PAD block HIGH ALARM. Change the value of the Trip Value by typing.
See figure below:
Figure 156rr .14.
Process Variable
High Alarm
PID Ratio with
Remote SP
To change the process variable low alarm (FC21-S8):
Open the PAD block LOW ALARM. Change the value of the Trip Value by typing.
See figure below:
156rr - 16