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Thread: LPT Pinout

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  1. #1
    Join Date
    May 2013
    Posts
    1

    Question LPT Pinout

    Hey i have bought a CNC Control Set with motors (?Free Ship?3 Axis Cnc Nema17 Wantai stepper motor 4000g.cm 3D 42BYGHW609,DQ420MA | eBay) for my selfmade Cnc.
    So i build it up like in documentation, and set pins and ports in mach3, but nothing happens.
    When i try to close emergency or any other switch mach3 dont get anything! But when I took off the lpt plug and bridge
    ground and pins i realised, there's sth wrong. In mach3 i set XLimit Pin 10, YLimit Pin 11, ZLimit Pin 12 and EStop Pin 13, but on the Plug XLimit is Pin 5, YLimit Pin 6 , ZLimit Pin 4 and EStop Pin 3
    That means the Pins are
    Mach3 Lpt
    10 5
    11 6
    12 4
    13 3
    15 2

    How can these Pinouts so wrong

  2. #2
    Join Date
    Apr 2003
    Posts
    550
    Are you sure you have a good cable. You need a pip to pin cable which isn't a common as you think. Make sure your cable is correct..

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