Iei-integration UPC-V312-D525 v1.10 Bedienungsanleitung PDF herunterladen (Seite 59)

UPC-V312-D525 Panel PC

Page 46

3.8.1.2 Switch to Backup Power

During operation, system power will switch from Power 1 to Power 2 automatically when

the following situations occur:

 Power 1 < 9V and Power 2 > 10.5V

 Power 1 > 9V, but the ACC ON signal jump from high to low

 Power 1 is unplugged and Power 2 > 10.5V

The following flow diagram shows how the power is switched between Power 1 and

Power 2 and their LED statuses.

Figure 3-37: ACC On: Switch Between PWR1 and PWR2

3.8.1.3 Shutdown

The system will shutdown in the following situations:

 Power 1 < 9V and Power 2 < 10.5V

 Power 1 > 9V, Power 2 < 10.5V and ACC ON signal jump from high to low

 Press

buttons for 6 seconds

The following flow diagram shows the system shutdown process and the LED statuses.

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Iei-integration UPC-V312-D525 v1.10 Bedienungsanleitung Seite 59