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Magnum XS 450 Power System –48 VDC User’s Manual Page 35
5.5 Customer Interface Board
Alarm Outputs (Output Relays)
There are eight alarm output relays designated Relay 1 through Relay 6, Minor, and Major,
respectively. These alarms reside on the controller and are connected to the external
monitoring system via the customer interface board. Refer to the specific controller user’s
manual for more information.
External Alarm Inputs (Input Relays)
The controller can monitor any external device that uses a switch or relay to output status
information. The customer interface board handles the connections between the external
inputs and the main controller.