Re: RE: RE: Dr. John's Lighting System

["Okan CELEN" <okan@xxxxxxx>]

Dear Sir,

Please don't send me any other mail...

Best Regards


Okan CELEN

-----Original Message-----
From: Dr. John Tankard <jtankard@xxxxxxx>
To: 'ukha@xxxxxxx' <ukha@xxxxxxx>
Date: 04 Eylül 1998 Cuma 12:42
Subject: [ukha] RE: RE: Dr. John's Lighting System


>What processor are you going to use ?
>
>What network did you have in mind ?
>
>Had you any protocol in mind ?
>
>I am thinking of optically isolating the triac firing circuit from the
>control side (16C65) have you any thoughts on this you have obviously
>looked at commercial units, the one's I have seen have no isolation,
and I
>am worried one fault could Zap the lot ?
>
>The big problem I have is time, I spend most of my spare time
renovating my
>house (1st baby due in Jan) and when I do get some time to write some
code
>it takes me three hours to figure out what my existing code does !
> Although I hope that will all change, my prototype is in assembler and
I
>am going to switch to C so that I can maintain the code, to make the
>transition easier I bought my self a ICEPIC.
>
>My 4x4 keypad has up and down on each channel (8 buttons) and 4 scenes
(4
>buttons) leaving 4 spare for coms to other controllers on the network.
>
>
>
>-----Original Message-----
>From: Keith Doxey [SMTP:keith.doxey@xxxxxxx]
>Sent: 03 September 1998 21:53
>To: 'ukha@xxxxxxx'
>Subject: [ukha] RE:  Dr. John's Lighting System
>
>Hi John,
>
>Your lighting system sounds extremely similar to the design I had come
>up with. Just havent got round to building it yet :-((
>
>My personal preference is for easily programmable scenes selected by
>single button press rather than fiddling with lots of buttons to set
each
>of the channels individually. This decision was reached after looking
at
>most
>of the High End systems and looking what features I really liked.
>
>At work we have a LUTRON ORION system about 5 years old which we
>are looking to replace as the dimmer modules keep failing. Lutron do
not
>repair the modules, they only supply replacements at 280 UKP each :-((
>However I have just repaired 5 of the modules, all of which had faulty
>relays.
>The relays cost 2-04 each !!!! So thats my wages covered for the month
:-))
>One thing that this has made me very much aware of is the possibility
of
>a complete lighting failure in the event of the controller crashing.
>
>For that reason I intend that each of my homebrew dimmer modules will
be
>a stand alone system controlling either 4 or 8 channels and directly
wired
>to
>the keypads in the room it controls. Each of the dimmer packs would be
>networked to the main house controller which would oversee correct
>operation
>of the house. In the event of the main controller/network failing each
of
>the
>dimmer packs would run in stand alone mode.
>
>Keith
>
>
>
>
>
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