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Forum Long run Gate control HELP!?!
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Long run Gate control HELP!?!

MrMiz
MrMiz over 10 years ago

Hello all I'm your friendly neighbor hood Newbie and shocker I need the most basic of help. I'm attempting to setup a entry gate control button for my grandfather on his property so that he doesn't have to drive down to his gate to get within wireless control to open his gate to let people in. The house is approximately 800 ft away from the gate. As part of the deal I'm already working on getting normal 110v/120v supply to the gate so I can install a new Liftmaster LA500 gate system for him. I contacted Lift Master and 2 install companies and they had no idea how to set this up. They had devices that were local to the gate that you could push a button/enter a code to open the gate, but they didn't have any idea's for a button 800ft away. I'm doing all this for my grandpa out of my own pocket and I have to save as much money as possible so I'm trying to do it all myself.

So here is my "thoughts" - at the house I setup some kind of switch/relay at the button so that when the button is hit it sends a 5v (or whatever the LA500 input is) signal down a low voltage line that I will install with the 110/120 line to the gate. At the gate I will attach the 5v line to the normal input for accessories (the code pad etc). 

So here are the questions. What should I be looking for for parts for the button/switch/relay? Will 5v or "low voltage" travel 800ft? Since power is going to be run to the gate is there a simpler way to put the electronics down at the gate rather than at the house?

 

Any experience you all could provide would be greatly appreciated. I'll even appreciate comments on where would be a better place to start my research. In my Rural area of the country there are few or no electronic experts and I have about a 2 hour drive to get to a bigger city where more knowledgeable people reside. I have a decent amount of electrical experience and I'm a novice with electronics. I plan on doing extensive research once I have a better understanding of what I need to do this.

 

Thank you in advance.

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  • jw0752
    jw0752 over 10 years ago +1
    Hi MrMiz, Here is a link to something similar to what I had in mind. http://www.amazon.com/Intercom-DIY-ICW133-STAND-ALONE-Communicator-Intercoms/dp/B00F1YRVDO/ref=sr_1_1?ie=UTF8&qid=1413956342&sr=8-1&keywords…
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  • jw0752
    0 jw0752 over 10 years ago

    Hi MrMiz, Here is a link to something similar to what I had in mind.

     

    http://www.amazon.com/Intercom-DIY-ICW133-STAND-ALONE-Communicator-Intercoms/dp/B00F1YRVDO/ref=sr_1_1?ie=UTF8&qid=1413956342&sr=8-1&keywords=wired+intercom+system

     

    800 feet is a long way but you can compensate for the distance by using heavier wire for the low voltage line. Be sure to bury the low voltage wire separated from the mains line or you will pick up a hum from the proximity to the AC voltage. If you want to keep the system simple you can run a 3rd wire in the low voltage line that can be used to trigger the gate mechanism. Check with the gate company for specifications on the low voltage trigger but I would be surprised if you needed anything more complicated than a door bell button to trigger it provided the 800 foot wire is of sufficient gauge.

     

    Most modern intercoms are the wireless variety. I would not recommend these as there could easily be a problem with electrical shock at the gate location if the unit were to get wet from rain or dew.

     

    John

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  • MrMiz
    0 MrMiz over 10 years ago in reply to jw0752

    John,

    I really like the Doorbell idea. I've been looking up wired doorbell buttons and I'm pretty sure I can make one work. The one I'm looking at is a max of 16v so I'm going to grab one of those and start looking at transformers to transform 120v down to 5v or 12v to push across 1000ft of scrap low voltage line and see what the end reads with my volt meter. When I have time I'll pull down the specs on the control unit for the LA 500 gate system and post them up here along with anything I find.

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  • MrMiz
    0 MrMiz over 10 years ago in reply to jw0752

    John,

    I really like the Doorbell idea. I've been looking up wired doorbell buttons and I'm pretty sure I can make one work. The one I'm looking at is a max of 16v so I'm going to grab one of those and start looking at transformers to transform 120v down to 5v or 12v to push across 1000ft of scrap low voltage line and see what the end reads with my volt meter. When I have time I'll pull down the specs on the control unit for the LA 500 gate system and post them up here along with anything I find.

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