Omron BN50T User Manual

6 Using the contact signal functions
6-2 SC07 Contact signal card specifications
BN50T/BN75T/BN100T/BN150T/BN220T/BN300T
6-2
6-2-1 Contact signal connector (female D-SUB 9pin)
Pin assignment Pin
number
For jumper setting “SC07”
* Factory settings
For jumper setting “SC05/06”
9876
5 4 3 21
Front view
Screw size:
inch screw #4-40 UNC
1
Battery LOW signal output (BL) NC
2 Trouble signal output (TR) Backup signal output (BU)
3 Backup stop signal input (BS) Backup reverse signal output (NBU)
4 NC COMMON(COM)
5 COMMON(COM) Battery Low Signal output (BL)
6 Remote ON/OFF input (-) Backup stop signal input (BS)
7 Remote ON/OFF input (+) Remote ON/OFF input (-)
8 Backup signal output (BU) Trouble Signal output (TR)
9 Battery Replacement Signal output (WB) Remote ON/OFF input (+)
6-2-2 Type of Input/Output signals
Backup Signal output (BU)
UPS
Contact signal card SC07
Low battery level signal output (BL)
Trouble Signal output (TR)
Battery Replacement Signal output (WB)
Remote ON/OFF Signal(*)
Input of the UPS Stop Signal
(BS)
*: The remote ON/OFF connector can be used.
 Type of Output signals
The UPS has 4 kinds of output signals. The output circuit consists of an open collector
circuit using a photo coupler (a kind of electronic switch).
Signals Descriptions
Backup Signal output (BU) Stays ON during backup operation at a power failure.
Low battery level signal output (BL) Goes ON when the battery becomes weak during backup
operation at a power failure.
Trouble Signal output (TR) Goes ON when an internal failure of the UPS occurs or
when the battery life counter expires.
Battery Replacement Signal output
(WB)
Goes ON when the test determines that battery replace-
ment is necessary due to deterioration or when the bat-
tery life counter goes off-scale.

Omron BN50T Specifications

General

Brand	Omron
Model	BN50T
Category	UPS
Language	English