General Home Automation Motion control for exterior lights

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Subject Author Date
Motion control for exterior lights Bob Babcock 06-10-08
Posted by Bob Babcock on June 10, 2008, 1:17 am
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I want to add motion sensor and timer control to front porch and
driveway lights for convenience and to save power. I have no x10 or
Insteon equipment right now. I've been looking mostly at smarthome
stuff.

So I start my design with a couple of 4087 wireless motion sensors,
a 4005x RF base, a 2414U PowerLinc controller and some sort of
switches. Then I run into problems:

The PowerLinc controller says it has on-board memory so timers and
macros can be downloaded without the need to have a computer
running. But the mControl software they recommend says it doesn't
download to the controller so you need a PC running to execute timed
commands and triggered events. I don't want to dedicate a PC to
this project; if nothing else, the power used by a PC running 24/7
would be comparable to what I would save by having the lights off
most of the time. (Using a PC for setup, however, would be good.)

I can't find any documentation for what the PowerLinc controller can
actually do, or how to get programs into it.

The front porch circuit has 540 watts of lights on it. All of the
switches seem to be rated 500 watts or less for incandescent loads.

Some of my computers put enough noise into our power lines to mess
up an old intercomm system (depending on which outlets the units are
plugged into). How robust is X10 protocol?

Any comments or suggestions?

Posted by Bob Babcock on June 10, 2008, 11:21 pm
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> PowerLinc needs the SmartHome Manager or Insteon software to be
> autonomous.

I shied away from the SmartHome software because it doesn't run under
Vista. I'm not running Vista now, nor do I have any plans to, but lack of
Vista support suggests that this software is not being developed and may
not run under other future operating systems either. I'll look at it
again.

> Don't dismiss the full time computer.

The only computer I have that runs full time runs Linux. From what I've
seen with limited searches, X10 is not well supported under Linux.

Thanks for your comments. My research continues.

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