Relay Interface Module - Powerware Uninterruptible Power Supply Installation And Operation Manual

13.5 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 SCMs) can
be installed. See Table 13---1 for the number of accessories permitted. Figure
13---2 shows the RIM with its four 15-pin connectors labeled J1 through J4.
The RIM can provide these signals:
·
UPS AVAILABLE
·
UPS OFF LINE
·
UTILITY FAILURE
·
BATTERY WEAK
13--4
Figure 13 ---2. Relay Interface Module
(pins 1 and 12) Contacts are closed when the UPS is
offline.
(pins 3 and 13) Contacts are closed when the UPS is
operating in Normal mode.
(pins 6 and 15) Contacts are closed when Utility Failure is
detected.
(pins 5 and 14) Contacts are closed when approximately
2 minutes of battery time is remaining, before the critical
load is lost.
Powerware 9315 (500 kVA- -750 kVA) Installation and Operation
164201244 REV. D 030101