Eaton Power Xpert 9395P-900 Series - 8.7 Relay Interface Module II

Communication
8-6 Eaton
®
Power Xpert
®
9395P-900 UPS Installation and Operation Manual P-164000501—Rev 09 www.eaton.com/powerquality
8.7 Relay Interface Module II
An optional 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 8-3 shows the RIM II with its four
15-pin connectors labeled J1 through J4.
Figure 8-3. Relay Interface Module II
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 Online 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
Online 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.