User guide

Multi Process Meter Instruction Manual
50
Low Alarm with Fail-Safe Operation (Set < Reset)
Note: Relay coil is energized in non-alarm condition.
In case of power failure, relay will go to alarm state.
Rese
t
Set
Input
Rela
y
LED
Automatic (non-latching)
de-energized
energized
on
of
f
Rela
y
LED
Automatic or Manual (non-latching)
ACK
pressed
Rela
y
LED
Manual (latching)
ACK
pressed
Rela
y
LED
Manual only after passing above Reset (latching with clear)
ACK
pressed