Automatic Garage Door

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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








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Re: Automatic Garage Door


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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Re: Automatic Garage Door


Thanks Stu for the information and sorry for the multiple posts, I got some
problem with my news client.

Rgds,
W. Utomo



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Re: Automatic Garage Door



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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.

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Automatic Garage Door


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


Automatic Garage Door


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


Automatic Garage Door


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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