Sintrones VBOX-3120, User Manual

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5.0 System Resource
User’s Manual Page 5-1
IGN on Battery
Turn
on
5.0 SYSTEM RESOURCE
5.1 Ignition Power Management Quick Guide
Startup/shutdown conditions from the IGNITION signal:

IGNITION startup signal must be valid during 5 sec. (anti noise protection).

IGNITION shutdown – IGNITION signal must be inactive during 5 sec., then PIC
controller initiate Power Button signal ( OS must be set to shutdown from the
Power Button ). It generate Main Button shutdown event and then goes to
complete power off.
Typically the system can start only from IGNITION signal, because startup PIC controller
is disconnected from the power source.
The system can be switched off from:

Power IGNITION OFF signal.

ACPI OS shutdown

Power Button – generate ACPI event (OS dependent).
Power Ignition Startup Procedure
12V or 24V
Power Input
Check IGN
Status
IGN on (High)
more than 5sec
System
Turn on