Trident Series PD765 Process & Temperature Meters
Instruction Manual
27
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.