ATX SHUTDOWN CONTROLLER.

This unit when connected will detect the acc line of your vehicle and when there is no power on the acc line will wait for 0~15min (adjustable) for the acc line to go hot. 

If the acc line goes hot within the 15 min wait then nothing happens. If not then sdc will send a pulse to the mother board thus shutting it down. 

Then there is a wait of 0~3 (adjustable) so the PC shuts down and cuts power to the connected inverter or dc-dc power supply . 

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ATX SHUTDOWN (Instructions)

First connect the A to ground and B to +12 at this time the relay will kick on and the red led will glow. 

Then press the kill switch for a second. Wait for the relay to shut off, it will automatically after 3mins. 

This time can be adjusted by turning the 500k pot (ie the one with 504 on it)

The pot with 105 on it controls the initial wait ~ 15 mins

It is advisable not to touch the other pot as its set of a 2 second ATX pluse the best for any ATX board. 

Connect C to the ACC and the D to the +5 of the Atx jumper on the mother board.

To find the + wire use a Multimeter and find out which wire has +5vdc on it in the ATX switch on the Mobo. There you connect the green wire.

Connect E to an inverter or a DC-DC psu (+12 out 30amp)

The kill jumpers  F can be connect to a push switch which will kill the initial time wait and shall send the pc for a immediate shut down.

The initial wait and the time to kill the relay are set to max. 

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Last modified: August 04, 2006