Hubbell GAI-TRONICS 379-003 E3 IP MRM Manual

Model 379-003 E3 IP MRM
(Monitored Relay Module) Station
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This manual is provided solely as an installation, operation, and maintenance guide and contains sensitive
business and technical information that is confidential and proprietary to GAI-Tronics. GAI-Tronics
retains all intellectual property and other rights in or to the information contained herein, and such
information may only be used in connection with the operation of your GAI-Tronics product or system.
This manual may not be disclosed in any form, in whole or in part, directly or indirectly, to any third
party.

General Information

The Model 379-003 E3 IP MRM (Monitored Relay Module) station operates in an Elemec3 system. The
E3 controller software configuration controls its operation.
The MRM includes eight relay output circuits. Each relay contains two type C contacts rated for 5 amps.
Relay outputs typically switch power to signaling devices such as beacons or strobes but are applicable to
any switching application that does not exceed the relay's current rating. Relay circuits are
programmable to activate during:
• •
system alarms
The MRM also includes eight input circuits (one for each output relay). Input circuits normally supervise
the relay output circuit cable to the signaling device (as described above). Monitoring for open circuits,
short circuits, and ground fault conditions occurs while the output circuit is inactive. The relay circuit
will not activate while a cable fault is present, preventing a possible dangerous condition.
Use relay inputs not supervising an output circuit for other functions. Each input activates by a voltage-
free contact (either opening or closing) or the presence/absence of a 24 V dc input voltage. The IP MRM
can supervise the cabling between the input terminal and the remote contact device when using voltage-
free input contacts. The E3 IP MRM can monitor the cable for open circuit, short circuit, and ground
fault conditions and automatically reports fault conditions to the E3 controller.
Program each input circuit to initiate one of the following functions in the Elemec3 system:
•
activate an alarm
•
reset all alarms
•
cancel the current alarm
•
report a fault condition
•
reset the system MCU
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