11.0COMPUTER INTERFACE
11.1AS400™
The EDP70 PLUS UPS is fitted with a 9 pin female ‘D’ type socket for direct connection to a IBM AS/400™ computer or equivalent, see figure 21. This facility can also be used with operating system software of other manufacturers. The function of the pins on the socket are shown below:
Pin | DESCRIPTION | FUNCTION NUMBER |
Number |
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8 | EDP70 PLUS UPS ON | The UPS is supplying the load. |
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6 | RESERVE TO LOAD | The reserve AC supply is supplying the load. |
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9 | UTILITY SUPPLY FAIL | The AC utility supply to the UPS has failed. |
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7 | BATTERY LOW | The battery capacity is at a minimum and the |
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| inverter will shortly shut down and the load will be |
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| automatically transferred to the reserve AC supply. |
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5 | COMMON | All the above are connected to common when the |
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| function is true. |
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Fig.21: EDP 70 Plus Computer Interface Pin Layout
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