Micromod RetroPAK: SLC Configuration Manual - Manual (Page 326)

Command Series Migration to MOD 30ML
Function Code 156 – PID (Cascade)
To change the process variable low alarm (FC21-S8):
Open the desired PAD block (PID1LOALM for PID1 or PID2LOALM for PID2).
Change the value of the Trip Value by typing.
See figure below:
Figure 156c .13.
Process Variable
Low Alarm
Cascade PID
156c - 16