High alarm with fail-safe operation (set > reset) – Precision Digital PD6060 User Manual
Page 51
Model PD6060 Dual-Input Process Meter
Instruction Manual
51
High Alarm with Fail-Safe Operation (Set > Reset)
Relay
LED
Input
Automatic (non-latching)
energized
de-energized
off
on
Relay
LED
Automatic or Manual (non-latching)
ACK
pressed
Relay
LED
Manual (latching)
ACK
pressed
Relay
LED
Manual only after passing below Reset (latching with clear)
ACK
pressed
Set
Reset
Note: Relay coil is energized in non-alarm condition.
In case of power failure, relay will go to alarm state.
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