7．Using the UPS monitoring software and contact signal
5. Remote ON/OFF connector
Pin assignment |
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| 1 | Remote ON/OFF (+) | |
| 1 | 2 |
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| 2 | Remote ON/OFF |
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Front view |
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Screw size: Inch screw |
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Connector
Connect the included remote ON/OFF connector
6. Contact Signal ratings
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● Signal output (BL, TR, BU, WB, BU) | ● UPS Stop Signal input (BS) |
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Photo coupler ratings |
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| 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 |
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● Remote ON/OFF |
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Voltage between terminals: 5 VDC |
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Current when closed: | max.10 mA |
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7. Contact Signal circuit inside the UPS
BL
| TR | 5V |
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| BU | 10kΩ |
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| WB |
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2.4V 560Ω |
| Remote ON/OFF (+) |
| BS | Remote ON/OFF |
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| COM |
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8. Example of the use of the Contact Signal circuit
●Example of BU signal output circuit and the connected circuit
●Example of BS signal input circuit and the connected circuit
BU | TLP627 |
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COM | 12V1K |
| To port on PC |
UPS side | System side |
Connecting cable |
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(twisted or shielded) | |
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| 12V | 1K | TLP521 |
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| 1.2K |
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BS |
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| To port on PC |
COM | System side GND | ||
UPS side | |||
Connecting cable |
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(twisted or shielded) |
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