Marathon Computer UNIPRO V3.5 - Manual (Page 78)

Setup and Configuration
Unipro 3.5
Rev. 8.00
November 30, 1995
programmed setpoint is at 0.80, the alarm
will trigger at 0.90 and 0.70.)
DEV Alarm actuation uses DEVIATION
control above or below the programmed
setpoint. The + and - symbols determine if
the deviation is allowed or if it is above (+)
the programmed setpoint or below (-) it.
(i.e. If deviation of 0.10 is placed in the
ALARM VALUE and 0.80 is the
programmed SETPOINT the alarm will
trigger at 0.90 or 0.70, for -0.10.)
FLT An input FAULT, or a program
alarm is to be used as basis for the actuation.
The ALARM VALUE is ignored.
PRG An Internal program will actuate the
alarm.
PO Alarm actuation is based on the
PERCENT OUTPUT exceeding the limit in
the ALARM VALUE .
PV PROCESS control mode. Alarm
actuation is based on the PROCESS
VARIABLE exceeding the limit in the
ALARM VALUE.