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6. Using the Contact Signal
External contact
Operate
Open
Start
Close
Stop
3. Remote ON/OFF Signal
You can start and stop the UPS by the remote ON/OFF signals, by
the contact connected to the outside, or the ON/OFF status of the
open collector circuit. To use this function, turn on the Power Switch
of the UPS. (Note: When there is no AC power supply, it is not
possible to start up UPS by the remote ON/OFF signals even though
cold start is set ON.)
4. Connection to the system
Please make a cable to connect to the system by yourself.
See also
"8. Example of the use of the Contact Signal circuit"
➛
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5. Contact Signal Connector (female DSUB9P)
6. Contact Signal ratings
●
Signal output (BL, TR, BU, WB/NBU)
●
UPS Stop Signal input (BS)
Photo coupler ratings
Input voltage HIGH
5 to 15 VDC
Appliable voltage:
35 VDC or less
LOW
0.7 VDC or less
Maximum current:
10 mA
●
Remote ON/OFF
Voltage between terminals: 10 VDC
Current when closed:
max.10 mA
7. Contact Signal circuit inside the UPS
Front view
Screw size: inch screw
#4-40 UNC
Pin assignment
Pin number
Signal name
1
BL
2
TR
3
BS
4
—
5
COM
6
Remote ON/OFF (–)
7
Remote ON/OFF (+)
8
BU
9
WB/NBU
Remote ON (+)
Remote OFF (-)
10V
BL
TR
BU
BS
COM
2k
Ω
WB/NBU