RE: Lamp Module Dimming

["Keith Doxey" <ukha@xxxxxxx>]

The problem could be that you have far to much stuff with switch mode
power
supplies and the built in mains filters are killing the X10 signals.

It may be wise for all of us to consider installing what is usually called
a
"Clean Ring" for all the computer stuff but for a different
reason than its
original purpose.

The "Clean Ring" concept originated as computer stated to become
popular but
often crashed due to dirty mains. The clean ring often has non standard
plugs eg. "T" shaped earth pin, so that only computer equipment
is plugged
in and dirty stuff like compressors and motors were on completely
separate
circuits.

The same concept could now be employed in reverse by having a "Non
X10" ring
that is isolated from the rest of the house by a large X10 blocking
filter
to prevent the X10 signals being absorbed by the PC's etc.

A major undertaking to retrofit but quite easy to implement is you are
rewiring anyway.

Have to admit that a hard wired lighting system would be far better
though
:-)
Pity there arent any cheap ones :-(

Keith

www.diyha.co.uk
www.kat5.tv


-----Original Message-----
From: Ian Lowe [mailto:ian@xxxxxxx]
Sent: 12 December 2002 09:11
To: ukha_d@xxxxxxx
Subject: RE: [ukha_d] Lamp Module Dimming



Yeah,

I am getting close to ripping a lot of the X-10 stuff out, and going
home
build. it's just too damn unreliable. :

That being said, perhaps I need to get my mains checked. I know the
X-10
range I get at the moment is apalling.

I.

-----Original Message-----
From: Dan [mailto:dtoma@xxxxxxx]
Sent: 12 December 2002 06:30
To: ukha_d@xxxxxxx
Subject: Re: [ukha_d] Lamp Module Dimming


Hi,

I have a brand new LM12 module from an Active Home Kit
(CM12+LM12+AM12).
I cannot use it because a lot of times it latches at full brightness
(nothing happen when click on LAMP OFF) and I need to disconnect the
power
in order to stop it... then .. again...
Sometimes it can be dimmed, but to an arbitrary value (not related to
the
entered DIM value).
I don't know what to say, because for that reason I cannot use it in my
home
(because of the chance that the light goes on by himself)..

Very disappointed ... this is my first X10 kit and practically only the
AM12
module is reliable enough.

I think I will try to build one by myself, using a PIC.

Best regards,
Dan
  ----- Original Message -----
  From: Simon Brazier
  To: ukha_d@xxxxxxx
  Sent: Wednesday, December 11, 2002 11:25 PM
  Subject: [ukha_d] Lamp Module Dimming


  Has anyone found any other ways of dimming a standard LM12 lamp
module
  using Homeseer, other than the boring old Standard Dim ?

  There's really tempting things like Leviton Dim and Preset Dim, but
none
  of them seem to work. All I ever get a lamp at full brightness and
then
  a dim down to 50% say. I can't make it dim up to 50% from off,
without
  the full brightness step.

  I've even tried turning the lamp on at Dim 0% then then dimming up
to
  50%, but I still get full brightness first.

  Is this all we can get in the UK, or have I missed something ?

  Thanks


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