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  1. #1
    hi chaps. just unpacked a second hand machine which I saw working ok. wired it up and the motors are not turning.
    the PC is running windows XP and mach3 all ok. there is a power supply that's working ok and three motor controllers that show green leds. between the PC and motor controllers is a USB breakout board and this is showing a red LED. now I am not show if the breakout board is at fault as I don't know how to check it or what make it is.
    so can anyone please let me know how to check the board, is the red LED a sign of bad or good news ? what make is the board ?
    what do I need to do to make this work ??
    Click image for larger version. 

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  2. #2
    Not the best picture in the world but that looks like a parallel port connection at the bottom and not USB
    John S -

  3. #3
    Could it be a one of these?

  4. #4
    hi, its USB. you can see the port bottom left hand side

  5. #5
    just maybe the one, thanks

  6. #6
    Quote Originally Posted by terry1956 View Post
    hi, its USB. you can see the port bottom left hand side
    It looks like that is the power supply for it from the USB
    The more you know, The better you know, How little you know

  7. #7
    Looks like the one in my mk1 control box, but someone has butchered the terminal blocks down one side... Yes, USB for power only; signals via parallel port.

  8. #8
    If it was USB comms you'd have to install and configure a plugin.
    You think that's too expensive? You're not a Model Engineer are you? :D

  9. #9
    Its defo a parallel port to MACH3 the USB is power for the board only.
    A straight on photo would reveal more information for the guru's too look at :-)
    Life is best lived @ G0......

  10. #10
    Thanks chaps.I spent some time today with the multi meter.found that no signal was coming from the broad.yet there was power and signal going to the board.looks like it did not like getting moved.Thanks for showing interest.

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