Powerware 650825 kVA operation manual Relay Interface Module, Customer Interface Connectors

COMMUNICATION

8.9Relay Interface Module II

An optional Relay Interface Module II (RIM II) uses relay contact closures to indicate the operating status and alarm condition of the UPS system. The module uses a serial interface line and may support up to eight critical loads. The RIM II can be flush-mounted or surface-mounted on a desktop, or secured to a wall. Figure 8-4shows the RIM II with its four 15-pin connectors labeled J1 through J4.

Figure 8-4. Relay Interface Module II Customer Interface Connectors J1 through J4

The RIM II can provide the status and alarm signals shown in Table 8-2.

Table 8-2. Customer Interface Connectors

Status	J1 through J4	Description
UPS AVAILABLE	Pins 1 and 12	Contacts are closed when the UPS is operating in Normal mode
		or ready to supply the load.
UPS OFFLINE	Pins 3 and 13	Contacts are open when the UPS is offline.
		Contacts are closed when the UPS is operating in Normal mode.
BATTERY WEAK	Pins 5 and 14	Contacts are closed when approximately two minutes of battery
		time is remaining before the critical load is lost.
UTILITY FAILURE	Pins 6 and 15	Contacts are closed when Utility Failure is detected.

EATON Powerware® 9395 UPS (650–825 kVA) Installation and Operation Manual S 164201725 Rev 2 www.powerware.com 8−9