Bob:

This is my third house using X-10.... and it works sbsolutely reliably if
the installation is well thought out and analyzed like any other project.
True, this is claimed as "plug-n-play", but it really isn't.

The active coupler from Leviton is a good investment ... if my memory serves
me correctly there's a transmit receive LED on it and if it is on when you
aren't transmitting X-10 commands, work to determine where they are coming
from.  A suggestion is to take a look at all of the appliances in the house
and determine which could inject noise onto the line (any might).
Applicances with switching power supplies and PC's are especially noisy.
Using the circuit breaker panel one branch at a time send X-10 signals and
determine the reliability.  I'll bet you find one or more appliances that
are causing all of your X-10 reliability problemss.  These can be isolated
with commercially available filters.

While bridging ac legs is a good idea, cleaning up the ac environment will
yield much better results.

Happy Hunting!

Rich

-----Original Message-----
From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu]On Behalf
Of Bob Blick
Sent: Monday, November 28, 2005 11:12 AM
To: Microcontroller discussion list - Public.
Subject: Re: [EE] X10 (was: carrier current signal injection)


Speaking of X10, what value capacitor is typically used to couple the two
sides of a 220V line together? My house is quite resistant to X10 signals
except on the same outlet, which makes it not very useful as a remote
control.

I figure I can put the capacitor inside my 220V clothes dryer so it's
relatively safe and not in the breaker panel.

Cheerful regards,

Bob




--
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist

-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist