Omron POWLI Instruction Manual page 82

4. Signal I/O card
4-1 Signal Output
The card unit has 4 kinds of output signals.
Reverse output or normal output can be set for each signal output, and all signals are set to the reverse output
when shipped from the factory. The signal output is a relay contact output.
● Backup Signal output (BU, BU)
Battery mode
Normal mode
● Low battery level signal output: (BL, BL)
This signal indicates that the UPS is in battery mode operation.
Low battery level
Normal mode
● Trouble Signal output (TR, TR)
This signal indicates that an internal abnormality has occurred in the UPS.
Internal abnormality
Normal mode
● Battery Replacement Signal output (WB, WB)
This signal indicates that the necessity of exchanging the battery has been detected by the test.
Exchanging the
battery is detected
Normal mode
Reverse output setting
(Factory setting)
Open between pins 1 and 2 of the
signal output connector
Short circuit between pins 1 and 2 of
the signal output connector
Reverse output setting
(Factory setting)
Open between pins 3 and 4 of the
signal output connector
Short circuit between pins 3 and 4 of
the signal output connector
Reverse output setting
(Factory setting)
Open between pins 5 and 6 of the
signal output connector
Short circuit between pins 5 and 6 of
the signal output connector
Reverse output setting
(Factory setting)
Open between pins 6 and 7 of the
signal output connector
Short circuit between pins 6 and 7 of
the signal output connector
1002
BU
Caution
Normal output setting
Short circuit between pins 1 and 2 of
the signal output connector
Open between pins 1 and 2 of the
signal output connector
Normal output setting
Short circuit between pins 3 and 4 of
the signal output connector
Open between pins 3 and 4 of the
signal output connector
Normal output setting
Short circuit between pins 5 and 6 of
the signal output connector
Open between pins 5 and 6 of the
signal output connector
Normal output setting
Short circuit between pins 6 and 7 of
the signal output connector
Open between pins 6 and 7 of the
signal output connector
3002
SWG / BU SWG
7
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