Installation manual

D9124 Operation & Installation Manual

Page 32

74-06799-000-D 2/96

D9142 24 VDC Power Supervision

When the float charge drops to a low battery condition, or when the batteries are

removed, the red LED on the power supply illuminates. The D9142 sends a TBL POINT

8 report to the receiver, Point 8 displays a trouble at the command center. Investigate

low battery reports immediately.

Battery Float Voltage

The float charge voltage for the battery charging circuit is 27.6 VDC.

Circuit Protection

The power supply limits current output to 4 Amps. It is protected against reversed battery

polarity, thermal overload, and against current overload with a self-resetting current

limited circuit.

Power Limited

All 12V and 24V outputs are Power Limited.