USER’S GUIDE network management card
®
LVD (Low Voltage Disconnect)
From Device Manager, type 1 to select DC Power Plant. Then type 6 to select LVD.
At the prompt, enter the number of a Low Voltage Disconnect (LVD) on your system to view the status (Opened or Closed) and to configure options for that LVD. The following table uses LVD 1 as an example.
Menu Item (for LVD 1) | Description |
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1- LVD 1 Name | The name of the low voltage disconnect (LVD). |
| Maximum: 16 characters |
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2- LVD 1 Enable | Enabled (the default) turns on the LVD. Use Disabled if no |
| LVD is installed. |
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3- LVD 1 Trip (V) | Voltage above this threshold trips (opens) the LVD. |
| Minimum: – 58.00 Volts |
| Maximum:– 30.00 Volts |
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4- LVD 1 Reset (V) | Voltage above this threshold resets (closes) the LVD. |
| Minimum: – 58.00 Volts |
| Maximum: – 30.00 Volts |
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5- LVD 1 Open Alarm | Alarm condition indicating that the LVD is tripped (Opened). |
| Allowed values: any standard alarm selectiona. |
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6- LVD 1 Hardware | Alarm condition indicating that a conflict exists between the |
Alarm | commanded position and sensed position of the LVD. |
| Allowed values: any standard alarm selectiona. |
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7- Accept Changes | Use this option to save your changes. |
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a Standard alarm selections:
Major activates the major relay.
Minor activates the minor relay.
Relay 1 through Relay 6 activates the relay specified.
Ignore ignores the alarm.
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