Instruction manual

USING FEATURES AND OPTIONS
Eaton
®
9390 UPS (20–80 kVA) and 9390IT (20-40 kVA) Installation and Operation Manual S 164201603 Rev 4 www.eaton.com/powerquality
10-4
10.4 Relay Interface Module II
An optional Relay Interface Module IIl (RIM II) uses relay contact closures to indicate
the operating status and alarm condition of the UPS system. The RIM II can be
flush‐mounted or surface‐mounted on a desktop, or secured to a wall. Figure 10‐2
shows the RIM II with its four 15‐pin connectors labeled J1 through J4.
Figure 10‐2. Relay Interface Module II
The RIM II 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.