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