Re: One more Garage Door / X10 Question

["Gemini" <spamthis@ nowhere.net>]

Sorry about the links screw up... try these.
http://www.automatedoutlet.com/product.php?productid=132&cat=0&page=1 for
the ds10
and
http://www.automatedoutlet.com/product.php?productid=115&cat=0&page=1 for
the Rf receiver
and
http://www.mouser.com/search/ProductDetail.aspx?R=107-2008-EVvirtualkey12040000virtualkey107-2008-EV
for the roller switch.
"Richard S. Smith" <rss@xxxxxxxxx> wrote in message
news:1172526819.168663@xxxxxxxx
> Hi Everyone,
>
> I'm pretty much aware of the basic options for monitoring the
> open/closed status of a garage door in an X10 HA system.  You can
> chose beetween a sensor that normally open (NO) or normally
> closed (NC) and hook it up to a powerflash module.  If I use a
> universal module to trigger the dry-contact switch I can detect
> that event and maintain the open/closed state of the door using
> whatever software I am using.
>
> But what I'm wondering is if there's a way to get what amounts to
> a powerflash module that's bi-directional (in the X10 sense of
> that term) and can be queried for it's state information.  I'm
> trying to avoid having to rely on software to maintain the
> open/closed state information, since this can add a point of
> failure to the system, for example:
>
> - There might be a power failure, or my computer might reboot and
>  lose the state table.
>
> - If the Garage Opener has it's own RF opener, and this opener is
>  used to open the door, and I use an NC sensor, this event won't
>  be detected.
>
> - Same as above, someone closes the door but the sensor is NO, no
>  "close" is sent to the powerflash, no X10 event is logged.
>
> It seems logical that someone else has tried to solve this problem
> before, so I just wanted to post and see if anyone has found a
> solution to this.
>
> Thanks, as always.
>
>
> --
> Richard S. Smith / Email: rss@xxxxxxxxx / Web: http://www.rssnet.org/
> --