Re: Re: DMX Controller

["Peter Chick" <peter.chick@xxxxxxxxxxxxxx>]

Hmmm, oh well, bang goes that plan ;-)

Peter

-----Original Message-----
From: Mal Lansell [mailto:mlansell@xxxxxxx]
Sent: 23 November 2004 11:23
To: ukha_xpl@xxxxxxx
Subject: [SPAM] - Re: [SPAM] - Re: [ukha_xpl] Re: DMX Controller - Email
found in subject - Email found in subject


Communication would be fairly slow - IIRC, you get around 40 updates per
second on each channel, so that's only 40 bytes per second.  You would
probably need custom hardware too (or just an RS485 interface with
software
DMX).  DMX is sent continuously, so the hardware we've been talking
about
would just keep sending the same values on each channel until you
changed
it.



----- Original Message -----
From: "Peter Chick" <peter.chick@xxxxxxx>
To: <ukha_xpl@xxxxxxx>
Sent: Tuesday, November 23, 2004 11:18 AM
Subject: RE: [SPAM] - Re: [ukha_xpl] Re: DMX Controller - Email found in
subject


>
> Hello,
>
> Question, why limit DMX to Lights and relay's? How about interfacing
for
> example a LCD/VFD display? Maybe use a PIC to listen to one 'channel'
> and decode that data stream onto the display?
>
> Just set the 'channel' for the VFD/LCD display in an xPL Application,
it
> would talk to a lower level DMX driver and that would do the rest.
This
> way you could use ANY type of device / schema. DMX would just be the
> transport layer.
>
> I like the idea of being able have multiple addressable displays all
> hanging of one cable, as well as my dimmers and relays, basically
> getting more use out of one cable.
>
> <IDEA>
>
> Layers would be as follows:-
>
> xPLHAL
>
> xPL-DMX-DIMMER(Control.Basic)  xPL-DMX-LCD(OSD.basic)
>
> DMX DRIVER
>
> DMX HARDWARE
>
> </IDEA>
>
> Thoughts?
>
> Peter
>
>
> -----Original Message-----
> From: Neil Frost [mailto:neil@xxxxxxx]
> Sent: 23 November 2004 10:27
> To: ukha_xpl@xxxxxxx
> Subject: [SPAM] - Re: [ukha_xpl] Re: DMX Controller - Email found in
> subject
>
>
> So what can I do with it then?
>
> Neil
>
> -----Original Message-----
> From: "Frank Mc Alinden"<fmcalind@xxxxxxx>
> Sent: 23/11/04 10:19:19
> To: "ukha_xpl@xxxxxxx"<ukha_xpl@xxxxxxx>
> Subject: Re: [ukha_xpl] Re: DMX Controller
>
>
> Hi John
>
> > I'm up for writing the software if someone can advise on some
suitable
> hardware.
>
> If you decide to xPL the Milford serial / dmx board  let me know
please
> as i
> will order one as well as a relay board....
> Thanks
> Frank
>
> ----- Original Message -----
> From: "John B" <home-automation@xxxxxxx>
> To: <ukha_xpl@xxxxxxx>
> Sent: Tuesday, November 23, 2004 6:22 PM
> Subject: Re: [ukha_xpl] Re: DMX Controller
>
>
> >
> > Hi Frank,
> >
> > > I already has CBUS installed for lighting but i like the
idea of
dmx
> relay
> > > boards ,so would be good if dmx was the chosen xPL rs485
network
> > > protocol....would consider purchasing some dmx kit if one of
the
> guys
> was up
> > > for xPLling it.........
> >
> > I'm in the same boat as you - my lighting is already C-Bus, but
having
> some DMX relays would certainly be useful.
> > (and a lot cheaper than C-Bus ones!)
> >
> > I'm up for writing the software if someone can advise on some
suitable
> hardware.
> >
> > Regards,
> >
> > John
> >
> >
> >
> >
> > xPL Links: http://www.xplproject.org.uk http://www.xplhal.com
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