Vertiv™ NetSure™ A50B50 DC Power Retrofit Installation and User Instructions
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Table 3.2
Relay Outputs
Programmable Relay
Output
NCU
IB2 Pin No.
Alarms Assigned to
this Relay
(Default)
Alarms Assigned to
this Relay
(Custom)
1 *
NO
J6-5
Any Major Alarm
Any Critical Alarm
COM
J6-3
NC
J6-1
2
NO
J6-6
Any Minor Alarm
Any Major Alarm
COM
J6-4
NC
J6-2
3
NO
J7-5
AC Failure
COM
J7-3
NC
J7-1
4
NO
J7-6
DC Over Voltage 1
COM
J7-4
NC
J7-2
5
NO
J8-5
DC Under Voltage 1
COM
J8-3
NC
J8-1
6
NO
J8-6
Rectifier Fail Minor (Internal Wiring)
Not Available
COM
J8-4
NC
J8-2
7
NO
J9-5
Rectifier Fail Major (Internal Wiring)
Not Available
COM
J9-3
NC
J9-1
8
NO
J9-6
Rectifier Fan Failure (Internal Wiring)
Not Available
COM
J9-4
NC
J9-2
NOTE!
Refer to the notes in Figure 3.5 for relay operation.
NOTE!
Refer to the controller configuration drawing supplied with the system for relay
assignments associated with any custom configuration.