Isolated Alarm Relay Interface - Powerware 9150 User Manual

Isolated Alarm Relay Interface

The isolated alarm relay interface uses a 15-pin, male, 42D-sub
connector.
Pin No. Connection
Utility Failure 1 - 2 Closed
1 - 3 Closed
Low Battery 4 - 5 Closed
4 - 6 Closed
UPS on Bypass 10 - 11 Closed
10 - 12 Closed
UPS On or 7 - 9 Closed
UPS Alarm 7 - 8 Closed
UPS Shutdown 13 - 15 Closed
(in Battery Mode only)
Powerware 9150 User's Guide
®
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Figure 21. 15-Pin Serial Port
Relay Interface of Powerware 9150
System State
Line normal
Line failure
Battery normal
Battery low
On UPS
On Bypass
UPS on
UPS alarm
UPS shutdown when operating in Battery Mode. UPS can be shut down
by sending a hi-level signal (+5V to +15V) to Pin 15(+) and 14(-), or by
connecting Pin 15 to Pin 13. This signal must be present for a minimum
of 5 seconds.
NOTE The relay contacts are rated for a maximum 1A/30 Vac or 0.2A/60 Vdc. All
relay outputs are isolated from the other circuits of the UPS. The relay contacts must
not be connected to any utility connected circuits. Reinforced insulation to the utility is
required.
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Operation
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