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Proximity Switch Question for SainSmart "Blue" Breakout Board

Discussion in 'Controller Boards' started by Steven Bloom, Aug 30, 2015.

  1. Steven Bloom

    Steven Bloom Veteran
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    sainsmart Prox.jpg

    Ok, hopefully the last question for a little while. So I have a 3 Wire Proximity switch that I want to use as a limit switch with my break out board. The switch has 3 colors of wires (blue, brown and black). Based on the enclosed picture how do I hook up the switch to the CNC board.

    Thanks Steven
     

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    #1 Steven Bloom, Aug 30, 2015
    Last edited: Sep 3, 2015
  2. Steven Bloom

    Steven Bloom Veteran
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    I figured it out myself again.
     
  3. Mark Carew

    Mark Carew OpenBuilds Team
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    @Steven Bloom I have not used that board but the price point is good. Did you find that one wire was not needed? Looking to hear if they can be wired as NO and NC
     
  4. Steven Bloom

    Steven Bloom Veteran
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    So the proximity switch is a 3 wire one. It has a black , blue and brown wire. The black wire goes to the signal. For example the Black(signal) can go to the X,Y or Z positive signal in the above picture. Then the Blue wire goes to where the ground is marked on the picture. Now the third wire, the Brown wire goes to positive part of the power supply.

    When the proximity switch is powered on it lights up. As soon as it gets closed to contacting something, the light turn off. So I would say its a normally closed circuit until it contacts something then it becomes open.

    Thanks Steven
     
    #4 Steven Bloom, Sep 1, 2015
    Last edited: Sep 3, 2015
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  5. Mark Carew

    Mark Carew OpenBuilds Team
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    Thanks for the response Steven, I have not used these yet so I appreciate the the learned knowledge from someone who has.
    Mark
     
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  6. Steven Bloom

    Steven Bloom Veteran
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    Fixed
     
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