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ATX power supply on pin

Posted by WZ9V

WZ9V

ATX power supply on pin
September 06, 2016 10:36AM

Registered: 10 years ago
Posts: 293

I assume this pin is just pulled high or low depending on the state needed, based on that I'm thinking I could use it to control a Relay board that switches the 12/24V LED style supply on/off as long as I have a separate 5V supply to keep the board powered when the 12/24V supply is off.

I could then use a M42 and some other unused pin to control the lights on the printer.

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PRZ

Re: ATX power supply on pin
September 06, 2016 12:14PM

Registered: 8 years ago
Posts: 475

Yes, just note that an ATX power supply is powered ON when this output is pulled to Ground, so this pin shall be connected to the negative pin of your relay command.
You can activate in DWC the command of the power supply.
See this topic : [forums.reprap.org]
which also refer to former topics.

Pierre

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WZ9V

Re: ATX power supply on pin
September 06, 2016 02:07PM

Registered: 10 years ago
Posts: 293

Perfect, pulled to ground would work great. The 2 channel SainSmart relay boards I'm using,require you to pull the line low to energize the relay.

Quote
PRZ
Yes, just note that an ATX power supply is powered ON when this output is pulled to Ground, so this pin shall be connected to the negative pin of your relay command.
You can activate in DWC the command of the power supply.
See this topic : [forums.reprap.org]
which also refer to former topics.