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Intreface and software to shutdown PC when nobreak batteries are empty

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fjpompeo

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Hi all,

I have a 1800VA no-break made by my self and need to shutdown my EchoLink Windows NT server when the batteries are empty, so I need a PIC or AVR with USB or serial connection to execute this task.

73,

Fernando - Call sign PU2PLL
 

Hi,

there are standard communication protocols for UPS. I recommend to use them. Don´t need to implement all functions.

Maybe something like this.
https://networkupstools.org/protocols/apcsmart.html

on the WIN Pc side you coud just run something like this:
"rundll32.exe powrprof.dll,SetSuspendState"
to power down to hibernate state

Klaus
 

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