Vertu Series VPM3000 Process Meters & Temperature Transmitters
Instruction Manual
25
High Alarm with Fail-Safe Operation
(Set > Reset)
Fail-safe operation: relay coil is energized in non-
alarm condition. In case of power failure, relay will go
to alarm state.
Low Alarm with Fail-Safe Operation
(Set < Reset)
Fail-safe operation: relay coil is energized in non-
alarm condition. In case of power failure, relay will go
to alarm state.