Installing a Relay Interface Module
The optional Relay Interface Module (RIM) uses relay contact closures to indicate the operating status and alarm condition of the UPS system. The
module uses an RS422 serial interface line and may support up to eight critical loads. A maximum of two monitoring accessories (RMPs, RIMs, or SCMs) can be installed. Refer to Chapter 4, Table C for the number of accessories permitted. Figure 10 shows the RIM with its four
FLUSH MOUNT
SURFACE
MOUNT
FOR HANGING
Relay Interface Module
J1 
J2 
J3 
J4
CONTINUES | ||
AT UPS | ||
CONNECTORS | ||
|
Figure 10. Relay Interface Module
Powerware BPIII Harsh Environment UPS | 29 |
