Relay Interface Module - Eaton Power Xpert Plus 1 Installation And Operation Manual

COMMUNICATION
8.7 Relay Interface Module II
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8-6
Power Xpert 9395 UPS (450–550 kVA) Installation and Operation Manual
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.
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
UPS AVAILABLE Pins 1 and 12
UPS OFFLINE Pins 3 and 13
BATTERY WEAK Pins 5 and 14
UTILITY FAILURE Pins 6 and 15
Figure 8‐3. Relay Interface Module II
Description
Contacts are closed when the UPS is operating in Online mode
or ready to supply the load.
Contacts are open when the UPS is offline.
Contacts are closed when the UPS is operating in Online mode.
Contacts are closed when approximately two minutes of battery
time is remaining before the critical load is lost.
Contacts are closed when Utility Failure is detected.
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