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5. Remote ON/OFF connector
Pin assignment
1 2
Front view
Screw size: Inch screw
#4-40 UNC
6. Contact Signal ratings
● Signal output (BL, TR, BU, WB, BU)
Photo coupler ratings
Appliable voltage:
Maximum current:
● Remote ON/OFF
Voltage between terminals: 5 VDC
Current when closed:
7. Contact Signal circuit inside the UPS
8. Example of the use of the Contact Signal circuit
● Example of BU signal output circuit and
the connected circuit
BU
COM
UPS side
Connecting cable
(twisted or shielded)
Pin number
1
2
35 VDC or less
20 mA
max.10 mA
BL
TR
BU
WB
2.4V 560Ω
BS
COM
TLP627
12V1K
To port on PC
System side
Signal name
Remote ON/OFF (+)
Remote ON/OFF (-)
● UPS Stop Signal input (BS)
Input voltage HIGH(ON) 5 to 12 VDC
5V
● Example of BS signal input circuit and the
connected circuit
BS
COM
UPS side
Connecting cable
(twisted or shielded)
1002
3002
BU
SWG / BU
Connector
Connect the included
remote ON/OFF connector
LOW(OFF) 0.7 VDC or less
10kΩ
Remote ON/OFF (+)
Remote ON/OFF (-)
1K
TLP521
12V
1.2K
From port on PC
GND
System side
SWG
7
65
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