RE: Curtain Motor RPMs

["Mick Furlong" <dorsai@xxxxxxx>]

yup was wondering about the sensing of open/closed positive feedback has t
be the best option.

Mick

> -----Original Message-----
> From: Phil Harris [mailto:phillip.harris1@xxxxxxx]
> Sent: 01 July 2001 12:49
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] Curtain Motor RPMs
>
>
> Depends on the gearing that you use between the motor and the
> pulley driving
> the curtains. You'll need quite a lot of torque as you'll need a lot
of
> tension if you're driving them via a cord t  stop the cord
> slipping ... also
> be aware that if you use fixed limit switches on the motor
> assembly then any
> slippage in the pulley system will cause the curtains t  not close or
open
> correctly so perhaps look at using a couple of reed switches
> mounted t  the
> curtain rails themselves for sensing whether the curtains have in fact
> reached the open or closed positions.
>
> Phil
>
> > -----Original Message-----
> > From: Mick Furlong [mailto:dorsai@xxxxxxx]
> > Sent: 01 July 2001 12:18
> > To: UKHA Group
> > Subject: [ukha_d] Curtain Motor RPMs
> >
> >
> > Anyone have any idea what sort of RPM curtain motors need to run
> > at t  get a
> > fairly smooth contolled opening speed?
> >
> > Mick
> >
> >
> >
> >
> > ____________________________________
> > Automated Home UK
> > http://www.automatedhome.co.uk
> > ____________________________________
> >
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>
>




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http://www.automatedhome.co.uk
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____________________________________
Automated Home UK
http://www.automatedhome.co.uk
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Your use of Yahoo! Groups is subject t  http://docs.yahoo.com/info/terms/