4 relay interface module, Supervisory contact module, Figure 10‐3. supervisory contact module – Powerware 9390 UPS 100160 kVA User Manual

Page 124

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USING FEATURES AND OPTIONS

EATON Powerware

®

9390 UPS (20–80 kVA) Installation and Operation Manual

S 164201603 Rev 2 www.powerware.com

10-4

10.4

Relay Interface Module

An optional Relay Interface Modulel (RIM) uses relay contact closures to indicate the
operating status and alarm condition of the UPS system. The RIM can be
flush‐mounted or surface‐mounted on a desktop, or secured to a wall. Figure 10‐2
shows the RIM with its four 15‐pin connectors labeled J1 through J4.

Figure 10‐2. Relay Interface Module

The RIM can provide the status and alarm signals shown in Table 10‐2.

Table 10‐2. 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.

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