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RE: IR systems, the choices
- To: <ukha_d@xxxxxxx>
- Subject: RE: IR systems, the choices
- From: "Nikola Kasic" <nikola@xxxxxxx>
- Date: Fri, 19 Jul 2002 01:44:40 +0100
- Mailing-list: list ukha_d@xxxxxxx; contact
ukha_d-owner@xxxxxxx
- Reply-to: ukha_d@xxxxxxx
So, if
you want to have 7 zones (rooms), where do you connect them
to?
7
serial ports?
Nik
>How your system topology looks like?
You
connect all the Tx/Rx units into >your IR controller, I suppose, and
then connect your controller via serial >port to PC. Is that
right? > >>>>Yep pretty much as I see it. They are all
separate nodes on a 3 wire >RS485 network which goes back to the
computer to do most of the work, this >enables easy programming of
them
so you don't have to reprogram each PIC >chip, which would take a
while,
and need good coding skills in C.
This mystical controller does not
exist unless you consider the PC as it. All the units are standalone
(you
need two to make anything happen though) and when connected to a PC will
become a very powerful system - or that's the plan anyway.
All my
stuff is programmed in assembler!! Only the PC app will be high
level e.g.
VB
Well said on the rest Steve.
Ian
B
>-----Original
Message----- >From: Steve D [mailto:steve@xxxxxxx] >Sent:
18 July 2002 09:48 >To: ukha_d@xxxxxxx>Subject: Re:
[ukha_d] IR systems, the choices > > >----- Original
Message
----- >From: Nikola Kasic >To: ukha_d@xxxxxxx>Sent:
Wednesday, July 17, 2002 11:57 AM >Subject: RE: [ukha_d] IR systems,
the
choices > >O.K. >I've got the picture. That means that
you
can even convert signals if you >have 3 Sony TVs so you can send for
Lounge Panasonic code for Volume+ and >your system will convert into
Sony Volume+ and send in Lounge only. If you >send Sony Volume+ it
will
not convert it but send to bedroom only. If you >send Grundig
Volume+,
it will be converted into Sony Volume+ and send into >Bedroom 2 only.
For source, you'll need ideally, something like
Pronto. > >>>>You will be able to script the commands
based on events, say if >you had a >sony tv in the bedroom, and
you where in the bedroom and you put the volume >+ the RX part of the
unit would pick this up and then do nothing, >as you are >using
the remote for the tv in the room, so you would not want this
command >sent else where. A pronto would be the best option to
control
each item >individually from one location. > >Now, my
question is how many wires you need for Tx, and how many >for Rx?
You >are talking about Tx/Rx units, so it seems like a single
unit. > >>>>It is on a BUS network, so you need three
wires going into the unit, and >three wires coming back out, also you
need 12 power to it, so >thats an extra >two
wires. >Which
totals 8 > >Will then single Cat5 be enough for connecting
it? > >>>> Yes, all patched back to a central location
the right wires >connected up >so it's in a bus configuration
and
they have power, and one end of the BUS >(three wires) being
connected
to a RS485 to RS232 convertor to a pc to >control the
scripting. > >How they must be placed to prevent
looping? > >>>>>They have inbuilt protection for
this
(or they will) and it is all >scripted, so in theory you can protect
it
yourself using timers. > >Where can I find those Tx/Rx
units? > >>>> Ian B is building and designing them
himself, they are not off the >shelf, and are a unigue specif design
to
accomadate the indvidual >addressing >ofr each TX/RX combo
unit. > >A saw them in many shapes on pictures on people's web
sites. I >would like to >know if they can be flush mounted in
an
switch box, so I can put cable in >place and cut boxes and cover them
with blank faceplates, until I get Tx/Rx >units? >Where can I
buy
them anyway? I see that they are mostly homemade. >Can I
find >finished products anywhere? > >>>>>See
above > >How your system topology looks like? You connect all
the
Tx/Rx units into >your IR controller, I suppose, and then connect
your
controller via serial >port to PC. Is that
right? > >>>>Yep pretty much as I see it. They are all
sepereate nodes on a 3 wire >RS485 network which goes back to the
computer to do most of the work, this >enables easy progamming of
them
so you don't have to reprogram each pic >chip, which would take a
while,
and need good coding skills in
C. > >Cheers, >Nik > > >>>>>>HTH
Steve >I am sure Ian B can correct me if I have got any of this
wrong. > > > >For more information: http://www.automatedhome.co.uk >Post
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