Powerware 9395 UPS and Plus 1 UPS 650825 kVA - Manual (Page 179)

COMMUNICATION
EATON Powerware ® 9395 UPS (650–825 kVA) Installation and Operation Manual S 164201725 Rev 2 www.powerware.com 8−9
8.9 Relay 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 8-4
shows 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.