RE: Automating extract fan (commercial type)

["Paul Gale" <groups2@xxxxxxxxxxxxxxxx>]

Thanks Guys.

I also just realised that CBus have a 0-10v output module too that could
work on my setup (as I have CBus) -not the cheapest option though - I'll
have a look at that resistor ladder possibility...

Cheers,

Paul.



> -----Original Message-----
> From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On Behalf
> Of Mal Lansell
> Sent: 10 January 2008 21:02
> To: ukha_d@xxxxxxx
> Subject: Re: [ukha_d] Automating extract fan (commercial type)
>
> IIRC, DMX lighting controllers give out a 0-10v signal to control
> brightness.  There's plenty of PC interfaces too.
>
> Paul Gale wrote:
> > I should say that the proportional speed control needs an
analogue 0-
> 10v DC supply - so it's that I need to generate/control from HV.
> >
> > Paul.
> >
> >
> >
> >> -----Original Message-----
> >> From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On
> Behalf
> >> Of Paul Gale
> >> Sent: 10 January 2008 17:08
> >> To: ukha_d@xxxxxxx
> >> Subject: [ukha_d] Automating extract fan (commercial type)
> >>
> >> I'm just trying to specify a high volume commercial in-line
duct
> type
> >> extract fan for my new node0 to try and keep it cool. The fan
simply
> >> extracts air from the room which is replaced with ambient
outside
> air
> >> (so hot days more of a problem - but I don't want to go the
A/C
> route
> >> for this).
> >>
> >> I've found fans suitable from vent axia which have 0-10v
> proportional
> >> speed control but I'm not sure how to control this from
HomeVision
> etc
> >> - any ideas?
> >>
> >> Paul.
> >>
> >>
> >>
> >>
> >>
> >> [Non-text portions of this message have been removed]
> >>
> >>
> >>
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