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Re: Automatic Garage Door

Subject: Re: Automatic Garage Door
From: Stu Alden <foo@xxxxxxx>
Date: Sat, 15 Jul 2006 06:20:35 -0400
Newsgroups: alt.home.automation, comp.home.automation, ieee.ces.home-automation, uk.tech.home-automation
References: <44b8ae23$0$23498$88260bb3@xxxxxxxxxxxxxxxxx>

I believe most need a single, momentary contact relay -- essentially to
replicate the effect of the regular hardwired pushbutton control.

The temporary closing of the circuit launches the door to go from open
to closed or vice versa.


> Hi,
>
> I would like to know the typical interface for automatic/electric garage
> door. Is it controlled using 2 relays for power and direction (closing and
> opening) or maybe with just one relay (relay on = closing, relay off =
> opening)?
>
> Thanks in advance for any input regarding this matter.
>
> Rgds,
> W. Utomo
>
>
>
>
>
>
>
>
>

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- Re: Automatic Garage Door
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References:
- Automatic Garage Door
  - From: Jo

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