----- Original Message -----
Sent: Thursday, June 27, 2002 9:05
AM
Subject: [ukha_d] Lite Control
Network-
LINET
Hi
All,
Indicated some time ago that I was looking at the
Linet technology:
and
indicated I would let people know pricing etc.
I
ended up ordering some bits and pieces to test the technology both for
personal use and maybe commercial use as I am involved in an electronics
design company.
Finally the stuff arrived (hand carried to NZ via
sister-inlaw) and have managed to set it up (in between having a baby born
at
home a week ago !).
First prices:
-
hybrid nodes pretty expensive 19.30 Euro each for quantity 10, dropping to
13.10 Euro for quantity 1000.
-
node chips only (make your own PCB etc) as follows.
QTY Price, EUR
each
50
10,90 (MOQ)
5000
5,70
- the controller node is being cost reduced at the
moment as it is far too expensive at around 400 Euro in small
quantities.
First impressions:
1)
Very cute and very simple to use. The nodes can be programmed to be
various I/O devices (switch inputs/outputs, PWM outputs, serial data
outputs,
A/D inputs) and supports virtual grouping of nodes.
2)
Controller has both serial and ethernet
interfaces
3)
200m length of bus (any configuration star, bus etc) may be an issue and
require multiple controllers.
4)
No development tools required !
5)
Support to date has been excellent
6)
TDM bus approach means communication times are very deterministic and
non-blocking.
I
have been looking for a technology that could form the basis of my
hardwired
lighting system and general control system. It needs to be simple,
open
interface and reliable. I think Linet will do the job. I have
looked at LonWorks, C-bus, DIY CAN bus, DIY RS485, 1-Wire and
others.
Have
designed a 2 zone stereo amplifier with digital volume control and source
selection control (sound familiar Keith !!) using Linet as control
interface -
but that should be the subject of another post.
Sorry for the lengthy post but I thought it may be
interesting to some of you DIY on the list. BTW no affliations to
Linet
and it does have risks being proprietary.
Cheers
Shane
For more
information: http://www.automatedhome.co.uk
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