RE: Re: EIB installation

[Martin Wonders <martin.wonders@xxxxxxx>]

The prices look too close to quibble about.

>The only prices I have are from when I priced up the "playing
>around" kit (about 515 quid+VAT, IIRC),

I don't suppose you would be interested in selling the instabus playing
around kit and any documentation you may have.
I guess the final decision could only be made once we've tried both systems
out.

We very much appreciate your help.

Martin CW



-----Original Message-----
From: David Buckley [mailto:db@xxxxxxx]
Sent: 17 January 2004 00:18
To: ukha_d@yahoogroups.com
Subject: [ukha_d] Re: EIB installation


--- In ukha_d@yahoogroups.com, Martin Wonders <martin.wonders@u...>
wrote:
> Ok, we're definitely leaning towards Instabus know for two
> reasons, the ability to use standard wiring, as you've
> mentioned and also the non proprietary standard.

I wouldnt get too hung up on the open standard bit :-)

But then again, I wouldnt get hung up on removing the thing,
either :-))

> Having said that we have yet to look at the cost.

Aha :-)  In my opinion, EIB is more expensive than CBus, though not
by a huge amount, and your milage may vary. (eg 4 x dimmers, CBus =
330, Instabus = 456.  CBus 4 button plates = 54, Siemens equivalent
which are 2 gang rockers, 31 quid.  So four lights is 580 Instabus,
546 CBus).  If you decide to change your decor, with Instabus you
just get new front plates, available in a massive range of styles,
so the redecoration costs are lower.  But if cost is a serious issue
you need to fully price the whole system, as there are swings and
roundabouts.

Finally, the Instabus system if you install it fully undoable will
lead to wall acne if you have multiple controlled things in one
place.  The CBus star wired system is neater under these
circumstances.  One CBus controller (a neo or whatever) and a hidden
away din rail box full of dimmers and relays is prettier than
several combined button/dimmer units each of which looks just like
an ordinary light switch.

> Do you have any prices on the Siemens Instabus kit, we have
> found a lot of info but no prices.

I had a faxed price list (about 20 pages of excel printout), but no
longer, from AC Electrical.  Although AC elec have a big branch
network, only one(!) of them has the price list... The rest of them
go "Siemens what?"  And of course, I cant remember which branch
has
the Instabus chaps.

Start here: http://www.siemens-industry.co.uk/smarthomes
<http://www.siemens-industry.co.uk/smarthomes>

Theres some good links.

The only prices I have are from when I priced up the "playing
around" kit (about 515 quid+VAT, IIRC), as follows:  (and I know
this will come out badly formatted...)

5WG1      121-1AB01      Power supply 320ma      156.12      1
156.12
5WG1      120-1AB01      Filter      32.75      1      32.75
5WG1      191-5AB11      connector 2x2      23.11      1      23.11
5WG1      190-8AB01      data rail 214mm      5.71      1      5.71
5WG1      148-1AB02      Interface, rs232      143.26      1
143.26
5WG1      562-2AB01      BCU + 2 x 10A binary for box mount
121.53      1      121.53
5WG1      525-2AB01      BCU + 1 x 1A dimmer, box mount      114.6      1
114.6
5WG1      520-2AB01      BCU + 1 x shutter raise/lower      114.6      1
114.6
5WG1      243-2AB11      white double switch      30.46      3      91.38
5TG1      801      Switch frame      3.66      3      10.98
8GB5      741      distribution board            1      0
5WG1      840-0AB01      Easy starter CD            1      0

814.04


BCU - Bus Coupler Unit, the 10 pin connector
Binary = on/off (ie relay)
Shutter raise/lower - 2 x relay outputs, for automating blinds






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