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Thread: Welder connector pins

  1. #1

    Welder connector pins

    Hello all. This is my first post.

    I would like to build my own TIG pedal. I searched a lot on Google but did not find the pin ID for Longevity TIGWeld 200EX. I know which two pins are used to start the arc. Obviously (I hope) the other 3 are to connect the pot, but I do not know which are the ends of the pot and which is the central one. Would anyone have identified these pins? A diagram of the internal circuit, of course, will also be welcome.

    Thanks All.

  2. #2
    Senior Member
    Join Date
    Dec 2010
    Andover, Ohio
    Welcome to the forum.
    Did you contact Longevity support?

  3. #3
    Thank you. I have not contacted Longevity support. My welder is not a Longevity 200EX but it's similar. The manufacturer from which I bought the welder does do not know the pin id (or do not want to tell me). Below a link to the manufacturer of my welder for comparison.

  4. #4
    Found!!! Another similar welder machine from UK. In the manual there´s a pin description.


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