Acnodes FES 7035 - Manual (Page 32)

3-2.2 Power Management C oncept
IG NITION POWER ON:
System will be directly powered ON/OFF by Ignition c ontrol
The i gniti on line signal GP I-1 at host board is a trigger of the host P ower O n signal. The l ogic “ 0” of the
input signal represents 3 vol tages, and the logi c “1 ” re presents the voltage betwee n 5V and 50V. To avoid
dam ages f rom external factors, the G PI-1 is isolated to the board via photo-coupler. The system power of
the FES 70 35 depends on the pow er signal of the G PRS m odule.
POWER BOT TON:
System will be powe red ON /OFF by user physically control
The syste m’s pow er wi ll be star ted afte r the power button being pressed and al l the conditions are ready
that include the i gnition line signal and powe r voltage ready in the GP RS m odule . Conve rsely, the system ’s
power w ill be off after the power button being pressed and hold f or 4 seconds.