Automatic Garage Door
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Posted by Jo on July 15, 2006, 1:38 am
Please log in for more thread options 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 -- Posted via a free Usenet account from http://www.teranews.com | ||||||||||||||||
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Posted by Stu Alden on July 15, 2006, 6:20 am
Please log in for more thread options 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. | ||||||||||||||||
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Posted by Jo on July 16, 2006, 7:28 pm
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Thanks Stu for the information and sorry for the multiple posts, I got some problem with my news client. Rgds, W. Utomo > 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. > > -- Posted via a free Usenet account from http://www.teranews.com | ||||||||||||||||
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Posted by on July 15, 2006, 8:21 am
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>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 The only electrical garage door I have fixed was about fifteen years ago. It used a low voltage motor from a trickle charge battery. No relays were used, the control was all electronic. My involvement was, despite it being maintenance free, it all stopped working one day. All I did was tighten up the battery contacts. -- Steve Wolstenholme Neural Planner Software EasyNN-plus. The easy way to build neural networks. http://www.easynn.com | ||||||||||||||||
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>
> 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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>
>
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