COMMUNICATION
Power Xpert
9395 UPS (450–550 kVA) Installation and Operation Manual
164201701 Rev 3
www.eaton.com/powerquality
8-9
8.9
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 8‐4 shows the RIM II with
its four 15‐pin connectors labeled J1 through J4.
Figure 8‐4. 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 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.
