Re: Re: motion detectors: need some input

[Tom Van den Panhuyzen <tomvdp@xxxxxxxxx>]

Hm... but a bit higher up in this thread Mark says that X10 is
reasonably ok in handling collissions and the problem is in the RF.
Anyway, too late now.  I'll let you know how it turns out.

Tom

On Fri, 14 Jan 2005 17:53:51 -0000, rectorydp <dpullen@xxxxxxx>
wrote:
>
> Tom
>
> Sorry I was a bit late with my response...
>
> What I meant was that you have to delay pressing a switch to ensure
> that the X10 signal is put on the powerline. If you press two buttons
> together only one will operate. This was the issue that could cause
> the most problem with PIRs. It is possible that a trigger would be
> missed entirely. However, it does depend upon how long the PIR
> triggers for and what happens if two switches are operated together
> for a period of time. I can't test with my TMD4s as they are
> configured to issue dim commands once the switches are held down for
> more than 0.5s. I do hope it works ok for you.
>
>
> BR
> David
>
>
> --- In ukha_xpl@xxxxxxx, Tom Van den Panhuyzen <tomvdp@g...>
> wrote:
> > Too late!  I am an impulsive buyer :-)
> > Disappointment 1: received TMD4's instead of TMA4's.
> > Disappointment 2: the micromodules don't switch 240V, they detect
> > open/close only.  My mistake...  I thought that the current from
the
> > switch would be used, but in fact the switch must be connected
> > directly to the TMA4.  No problem for the switches (they are
wired so
> > that I can decouple them from the mains and connect to the TMA4
> > without too much hassle) but I have also bought 240V PIRs.  So I
will
> > have to add relays for these.
> >
> > I will put a photoshoot online of the evolution of my project:
> > - wiring before the start
> > - wiring done
> > - the fireworks when the power is switched back on
> >
> > I understand that a 1 sec delay to switch on the light when you
push a
> > button is irritating, but I think here it is less important. 
There is
> > already 1 motion detector in use.  It goes via the rf receiver so
I
> > guess it is even slower.  I need to go into the garden quite
often in
> > the dark (to feed the pigs, yep:-) so it is not vital the
response is
> > immediate as long as its reliable.
> >
> > Thanks for the feedback.
> > Tom
> >
> > On Fri, 14 Jan 2005 17:14:29 -0000, rectorydp
<dpullen@f...> wrote:
> > >
> > > Tom
> > >
> > > I wouldn't recommend the TMA4 for use with PIRs. I use the
TMD4 with
> > > momentary switches to control some of our lights and you
have to allow
> > > at least a second between switch presses to ensure that the
signals
> > > are put on the power line. I suspect that the TMA4s have a
similar
> > > delay. Of course the location of the PIRs may mean that youy
will not
> > > have problems with signals close together but you will be
able to make
> > > that judgement.
> > >
> > > There will also be a time delay in transmitting the X10 over
the power
> > > line. I think you will find that this additional delay will
make the
> > > operation of the PIRs irritating - they will just be a bit
too slow.
> > >
> > > Just my opinion, of course.
> > >
> > >
> > > BR
> > > David
>
>
>
>
>
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