Powerware 9315s Power Supply User Manual


 
11--4
Powerware 9315 Parallel Capacity/Redundant System with PHP SSBM
164201373 Rev. A 092402
11.5 Relay Interface Module
An optional Relay Interface Module (RIM) uses relay contact closures to indicate
the operating status and alarm condition of the Parallel Capacity/Redundant
system . A maximum of two monitoring accessories (RMPs, RIMs, or S CMs) can
be installed. See Table 11---1 for the number of accessories permitted. Figure
11---2 s hows the RIM with its four 15-pin connectors labeled J1 through J4.
Figure 11---2. Relay Interface Module
TheRIMcanprovidethesesignals:
UPS AVAILABLE (pins 1 and 12) Contacts are closed when the UPS is
offline.
UPS OFF LINE (pins 3 and 13) Contacts are closed when the UPS is
operating in Normal mode.
UTILITY FAILURE (pins 6 and 15) Contacts are closed when Utility Failure is
detected.
BATTERY WEAK (pins 5 and 14) Contacts are closed when approximately
2 minutes of battery time is rema ining, before the critical
load is lost.