Garage door infra red beams

Discussion in 'Home Automation' started by dstill, 25 Nov 2018.

  1. dstill

    dstill

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    Hi, I've just bought some infra beam detectors for my automatic garage door (photo below) I'm a novice with things like this but quite sensible and with some guidance should be ok. I have a few questions to get these set up if anyone could assist please.

    1. What type of cable should these be connected with?
    2. Which connections should these be connected to in the door motor, it's a Gliderol GRD+?
    3. Is there much of an issue in regards to how much in alignment do the two sensors need to be, obviously they need to relatively aligned but is there much of a tolerance?

    Thanks in advance.
     

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  3. SpecialK

    SpecialK

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  4. dstill

    dstill

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    Thanks for that.

    Here is photos of the infrared units, anyone confirm what connects to what? 20190112_141515.jpg
     
  5. sparkymarka

    sparkymarka

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    I would post picture of controller pcb for a start ...
     
  6. dstill

    dstill

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    Hi, it's in the link in post 2 which was kindly provided by SpecialK!!
     
  7. sparkymarka

    sparkymarka

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    That shows a 3 pin connector , but no reference to what pin does what ....or what the 12v output is rated at ...
     
  8. dstill

    dstill

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    Yep, and that's why I'm asking for help on here to guide me, hopefully someone will come along soon who can help, thanks anyway.
     
  9. SpecialK

    SpecialK

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    Have you got a multimeter?
    Is there 12v present at the eye symbol on the door box using gnd as 0v?
    Are there any wires in the eye symbol?

    If there is a wire shorting eye to say 12v or GND then removing it will make the door stop. Therefore it needs to go common to NC on the infared beam.
    If there is no voltage at eye, then I assume it goes from 12v to common from NO and to eye.

    Can you post a picture of the controller terminals?
     
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  11. dstill

    dstill

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    I don't have a multi meter but here's a photo of the door controller.
     

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  12. dstill

    dstill

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    And a closer one.
     

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  13. SpecialK

    SpecialK

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    Looking at the wiring of the up/down buttons they go between ground and the input. I would wire the sensor in the same.
    Perhaps test it by running the door and putting a short between gnd and the eye and the door should stop?

    If this works wire the beams in using COM and NO terminals.
     
  14. dstill

    dstill

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    I've managed to find this diagram of a Gliderol sensor. I can see where the positive and negatives mow go but stillti not sure of the other 2/3 connections?
     

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  15. SpecialK

    SpecialK

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    Put a wire shorting the eye symbol and gnd and see if the door stops coming down?
     
    Last edited: 3 Feb 2019
  16. dstill

    dstill

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    Will do and I'll let you know, thanks again.
     
  17. SpecialK

    SpecialK

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    If that works run them to com and no
     
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