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niels
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| Posted: September 29 2007 at 23:47 | IP Logged
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Has anyone figured out whether there's a way to fire a trigger when the PH computer is running on UPS power?
I happen to be running APC's PowerChute utility, don't know if that has a hook that anyone knows of?
Alternately, since the UPS shows up as a battery in Windows, and since switching to UPS looks the same on this machine as switching to battery power on a laptop, I guess it would also be possible to simply look at the Windows power management and figure this out.
Either way, it would be a pretty good indicator that power is out / came back, which will allow for code to get everything back in sync when the power comes back on.
Niels.
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cmhardwick
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| Posted: September 30 2007 at 09:46 | IP Logged
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It would be a nice way to have a history log of power outages, etc, since sometime the utilities that come free with various UPS don't do the logging.
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gatchel
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| Posted: September 30 2007 at 11:52 | IP Logged
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If you have an elk or an input of some sort you can simply wire a 120v relay powered from a standard outlet to the input. They also make this:
http://www.winland.com/PS-110.htm
there is a built in delay that may or may not be beneficial.
Edited by gatchel - September 30 2007 at 11:54
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BeachBum
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| Posted: September 30 2007 at 12:33 | IP Logged
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There is also a message generated in SDM when the power is restored but to my knowledge PH does not catch it. I run on a laptop and face a recovery problem with X10 devices when there is a power failure. Insteon pretty much takes care of itself.
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sharby
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| Posted: September 30 2007 at 19:13 | IP Logged
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You can also put a "tap" on the serial port between the APC and the serial port to the computer (running Powerchute). You can then figure out the ASCII commands that the battery backup sends and write a complete ruleset within Powerhome.
-=*Sharby*=-
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cmhardwick
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| Posted: October 01 2007 at 09:44 | IP Logged
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not all are serial, some are USB now, but I assume same principle would apply
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PowerHome Messageboard : PowerHome General
Topic: UPS Trigger?
