69
7
BU
1002
SWG / BU
3002
SWG
Caution
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)
Reverse output setting
(Factory setting)
Normal output setting
Battery mode
Open between pins 1 and 2 of the
signal output connector
Short circuit between pins 1 and 2 of
the signal output connector
Normal mode
Short circuit between pins 1 and 2 of
the signal output connector
Open between pins 1 and 2 of the
signal output connector
● Low battery level signal output: (BL, BL)
This signal indicates that the UPS is in battery mode operation.
Reverse output setting
(Factory setting)
Normal output setting
Low battery level Open between pins 3 and 4 of the
signal output connector
Short circuit between pins 3 and 4 of
the signal output connector
Normal mode
Short circuit between pins 3 and 4 of
the signal output connector
Open between pins 3 and 4 of the
signal output connector
● Trouble Signal output (TR, TR)
This signal indicates that an internal abnormality has occurred in the UPS.
Reverse output setting
(Factory setting)
Normal output setting
Internal abnormality Open between pins 5 and 6 of the
signal output connector
Short circuit between pins 5 and 6 of
the signal output connector
Normal mode
Short circuit between pins 5 and 6 of
the signal output connector
Open between pins 5 and 6 of the
signal output connector
● Battery Replacement Signal output (WB, WB)
This signal indicates that the necessity of exchanging the battery has been detected by the test.
Reverse output setting
(Factory setting)
Normal output setting
Exchanging the
battery is detected
Open between pins 6 and 7 of the
signal output connector
Short circuit between pins 6 and 7 of
the signal output connector
Normal mode
Short circuit between pins 6 and 7 of
the signal output connector
Open between pins 6 and 7 of the
signal output connector