ProtEX PD8-6080/PD8-6081 Explosion-Proof Modbus
®
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49
High 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.
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.
Pump Alternation Control Operation