Dev. Tag Name
Deviation Alarm Reference Tag Name is the tag used as a comparison to this tag. Deviation Alarming generates an alarm on the difference in value between two tags (expr [ tag1 - tag2]). The most common use is deviation between Setpoint and Measurement in a PID controller. If this field is blank, no deviation alarm will occur. This field is for ANALOG tags and parameters only.
Range:
tagname or BLOCK:PARAMETERname
Units:
Field Type: Text
Configuration: Dev. Tag Name
Tag fields:
.ADVTAG