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Thread: Need help with motor direction

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  1. 11-30-2009, 02:35 AM #1
    marzetti
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    Need help with motor direction

    I have set up my machine using the C10 board and the 4030 drivers with Mach 3. I can get the motors to turn just fine but only in one direction! I've checked and doubled-checked the wiring and the Mach 3 settings but I must be missing something. Can anyone help?
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  2. 11-30-2009, 10:04 AM #2
    Tweakie
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    I think you need to check that there is sufficient voltage change (ideally 0 to 5V) on each axis direction pin and that you have them configured correctly within Mach.

    Tweakie.
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  3. 11-30-2009, 04:04 PM #3
    marzetti
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    some progress

    I found the dir setting in Mach was set to 0 instead of 1. Changing this corrected the problem on 2 of the axes but my y will still only move forward.
    Any ideas?
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  4. 11-30-2009, 05:10 PM #4
    Tweakie
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    The direction pin assignment should be different for each axis.

    Tweakie.
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  5. 11-30-2009, 05:41 PM #5
    marzetti
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    Thank you Tweakie, I'll try that.
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  6. 12-01-2009, 03:59 AM #6
    marzetti
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    problem solved

    Well, it turned out to be a bad parallel port. I downloaded a free port monitor utility and could plainly see that the direction pin in question was not firing. I tried another computer and it worked just fine.
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