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Thread: Death of a CNC Machine

  1. #21
    Member ny_racer_xxx's Avatar
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    Default Re: Death of a CNC Machine



  2. #22
    Member john-100's Avatar
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    Default Re: Death of a CNC Machine

    thats another version of the C10 I have not seen before

    a surface mount version of the old BOB with screw terminal blocks
    rev1 without the 74LS00
    Death of a CNC Machine-old-c10-jpg

    C10 Rev 10
    Death of a CNC Machine-c10-rev10-jpg



    on the new C10 it looks like they have saved a 74ACT245 octal buffer by using one to buffer the 8 date lines instead of half of two IC's as on the old board

    Death of a CNC Machine-new-c10-screw-terminals-surface-mount-devices

    the circuit should be very like the one I posted in post 14
    but now has an output status LED to the output enable

    John

    Last edited by john-100; 08-30-2017 at 09:00 AM. Reason: add ref to output status


  3. #23
    Member ny_racer_xxx's Avatar
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    Default Re: Death of a CNC Machine

    Yah, it's just weird, I ordered one thing got something else, no real explanation of what's different or even how to use it, very disappointed..

    After I test the ports, if that looks good all the way through, then I'm looking at drivers... Not buying again from them!!!



  4. #24
    Member john-100's Avatar
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    Default Re: Death of a CNC Machine

    I am not sure when I produced this diagram to answer a question on CNCZONE
    to show the function of the jumpers

    this shows the signal path for the step and direction signals to a 5056D driver - will apply to many opto-isolated drivers
    Death of a CNC Machine-c10-5056d-driver-jpg

    this is what I expect your new board will be

    Death of a CNC Machine-c10-5056d-driver-v2-jpg


    John



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