IEI Integration TANK-800-D525 v1.00 - Manual (Page 51)

TANK-800 Embedded System
Page 41
3.9.2.2 Switch to Backup Power
During the operation, the system power will switch from Power 2 to Power 1 automatically
when the following situations occur:
ƒ Power 2 < 10.5V and Power 1 > 9V
ƒ Power 2 is unplugged and Power 1 > 9V
The following flow diagram shows how the power is switched between Power 2 and
Power 1 and their LED statuses.
Figure 3-33: ACC Off: Switch Between PWR1 and PWR2
3.9.2.3 Shutdown
The system will shutdown in the following situations:
ƒ Power 2 < 10.5V and Power 1 < 9V
ƒ Press Power buttons for 6 seconds
The following flow diagram shows the system shutdown process and the LED statuses.
Figure 3-34: ACC Off: Shutdown