RE: Re: 2012 and still no perfect UK HA light switch solution?

["Phil Harris" <phil@xxxxxxxxxxx>]

Pfft! I'm still trying to find Zigbee kit over here! :-(

Phil

> -----Original Message-----
> From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On Behalf
> Of marcrfuller
> Sent: 15 August 2012 08:55
> To: ukha_d@xxxxxxx
> Subject: [ukha_d] Re: 2012 and still no perfect UK HA light switch
> solution?
>
> For me that reason would be confirmation.
>
> Imagine Z-Wave was not two way. Send an ON command to a light. Did
that
> metal pan you moved at lunchtime now blocked that Z-Wave signal, is
the
> light actually on?
>
> It you have two way comms and the unit sends back a confirmation, you
> know it is (Well, unless the bulb has blown :D)
>
> For me two way comms is not about 'seeing the state of the system' at
> any one point. It's about confirmation that the action has been
carried
> out. An unreliable system can never be trusted to do it's job, which
> makes it all kinda pointless.
>
> Cheers
>
> Marc
>
>
> --- In ukha_d@xxxxxxx, "Stuart Billinghurst"
<stuart@...>
> wrote:
> >
> > But why is a current state of every light needed in an install
from a
> > function point of view not aesthetic that's a different thing
> > entirely, because I toyed with this concept for long time as I
> started
> > to design of my own systems, and came to the conclusion that the
only
> > time I needed to really know the status was if I wanted to act
upon
> > it, so I only need to know a light is on, if for instance I wish
to
> > turn it off, but if I don't know it's status and then send an
off, I
> > know it's off even if it was off before (I hope this makes sense)
in
> > which case two way is just an aesthetic consideration, unless I
have
> missed a functional need somewhere?
> >
> >
> >
> > Stuart.
> >
> >
> >
> > From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On
> Behalf
> > Of Mark J Cox
> > Sent: 14 August 2012 19:35
> > To: ukha_d@xxxxxxx
> > Subject: Re: [ukha_d] 2012 and still no perfect UK HA light
switch
> solution?
> >
> >
> >
> >
> >
> > On Tue, Aug 14, 2012 at 6:37 PM, Stuart Billinghurst <
stuart@...
> > <mailto:stuart%40billinghursts.com>
> wrote:
> >
> > > Odd question, and humour me... but why do you need 2 way
comms?
> > >
> >
> > So you can tell what state each switch is in even if it has been
> > locally changed (i.e. you can have a display of the state of all
the
> lights).
> > LightwaveRF
> > looked promising for a while (inexpensive, nice looking, even if
not
> > zwave) but failed this.
> >
> > Mark
> >
> > [Non-text portions of this message have been removed]
> >
> >
> >
> >
> >
> > [Non-text portions of this message have been removed]
> >
>
>
>
> ------------------------------------
>
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