BU
50
SW / BU
75
SW / BU
100
SW / BU
150
SW
51
1
2
3
4
5
6
7
8
9
10
7. Contact Signal ratings
9. Example of the use of the Contact Signal circuit
●
Signal output (BL, TR, BU, WB, BU)
●
UPS Stop Signal input (BS)
Photo coupler ratings
Input voltage HIGH(ON) 5 to 12 VDC
Appliable voltage:
35 VDC or less
LOW(OFF) 0.7 VDC or less
Maximum current:
20 mA
●
Remote ON/OFF
Voltage between terminals: 5 VDC
Current when closed:
max.10 mA
●
Example of BU signal output circuit and
the connected circuit
●
Example of BS signal input circuit and the
connected circuit
COM
UPS side
BU
12V1K
TLP627
To port on PC
System side
Connecting cable
(twisted or shielded)
BL
TR
BU
WB
BS
COM
2.4V 560
Ω
Remote ON/OFF (+)
Remote ON/OFF (-)
5V
10k
Ω
COM
UPS side
GND
System side
Connecting cable
(twisted or shielded)
BS
12V
1K
1.2K
TLP521
From
port on PC
Ｃ2458
8. Contact Signal circuit inside the UPS
●
Remote ON/OFF circuit
UPS side
remote ON/OFF ( + )
remote ON/OFF ( - )
Example of
remote ON/OFF