11 – Communications (continued)
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11-8 Output Dry Contact Interface Detail
The UPS system has six dry contact output connections. These contacts can be normally open or normally closed.
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| Default Messages |
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Contact | Message | Description |
Pin | Load on inverter | The UPS system is working normally. |
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Pin | Load on auto bypass | The UPS system is in bypass mode. |
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Pin | Mains input failure with load on inverter | Utility power is absent (blackout) or abnormal. The UPS system is in battery backup mode. |
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Pin | Battery low | The UPS system is in battery backup mode, and battery voltage is lower than 220V. |
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Pin | Bypass input abnormal | The bypass input is abnormal (frequency / phase). |
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Pin | Battery test failure | The battery voltage is lower than the reference value. |
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| Optional Messages |
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Message | Description |
Internal communication failure | Communication with one of the internal components is not normal. |
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External parallel communication failure | In a parallel redundancy installation, the parallel communication is not normal. |
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Output overload warning/shutdown | The load exceeds the capacity of the UPS system. |
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Power module fault shutdown | The UPS system has shut down due to an internal power module failure. |
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Power module warning | An internal power module has an error, but the UPS system can still function normally. |
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EPO activated | The UPS system’s output is disabled by the emergency power off (EPO) function. |
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Load on manual bypass | The UPS system is in manual bypass mode. |
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Battery cabinet over temperature warning/shutdown | The temperature of the external battery cabinet is too high. |
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Output voltage abnormal | The UPS system’s output voltage is too high or too low. |
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Battery need replace | According to the data in the “BAT DATE SETTING”, the UPS system is overdue for battery |
| replacement. (See Section |
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Bypass over temperature warning/shutdown | The temperature of the bypass “static transfer switch” is too high. |
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Battery ground fault | The battery has a grounding error. |
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Bypass static switch fault | The bypass “static transfer switch” is abnormal. |
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Note: If you require optional messages to be enabled, contact Tripp Lite.
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