Optional Connection
The following connections are optional. Your UPS system will function properly without these connections.
RS-232 Serial Communication Connection
Use the included cable to connect the power module’s
Contact-Closure Communication Connection
Use a
DRY CONTACT INTERFACE DIAGRAM
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LOW BATTERY |
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| REMOTE SHUTDOWN SIGNAL | |
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| NO |
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COM NC |
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| COM | NC |
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5 | 9 4 | 8 | 3 | 7 2 | 6 | 1 |
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| SIGNAL FROM COMPUTER |
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| >2 sec |
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| 12 V |
MAXIMUM CAPACITY OF DRY CONTACT: AC250V/3A • DC30V/3A |
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| DRY CONTACT INTERFACE TABLE |
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| UPS Operating | Pin 8,3 | Pin 1,3 | Pin 6,3 | |
| Mode |
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| Normal | OPEN | OPEN | * | |
| Back Up | CLOSE | * | * | |
| Low Battery | CLOSE | CLOSE | * | |
| Fault | * | * | CLOSE |
* Inactive: may be in either state
EPO Port Connection
This optional feature is only for those applications which require connection to a facility’s Emergency Power Off (EPO) circuit. When the power module is connected to this circuit, it enables emergency shutdown of the output. Using the included cable, connect the power module’s EPO port to a
EPO PIN ASSIGNMENT
12V |
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X | 1 |
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1K | 5 |
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X | 6 |
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