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  1. #1
    Join Date
    Mar 2021
    Posts
    7

    Motors move only in manual. What am I missing

    hi guys,
    I have replaced my breakout board back to a simple parallel one.
    Got everything connected and when I'm using the pendant motors are working fine.
    However, gcode (both from a file or using the mdi window) does not work.
    Instead of moving the axis the motors just squeak but not rotating at all.
    I tried to lower the pulse/rev on the driver and respectivly, on the motor setup window, but the result is the same.
    Btw, keyboard arrows in the motors setup window works fine.

    What am I missing?
    Tnx

  2. #2
    Join Date
    Apr 2005
    Posts
    304

    Re: Motors move only in manual. What am I missing

    Lower acceleration. Start from there.
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  3. #3
    Join Date
    Mar 2003
    Posts
    35538

    Re: Motors move only in manual. What am I missing

    Lower the feedrate in the g-code also
    Gerry

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  4. #4
    Join Date
    Mar 2021
    Posts
    7
    Quote Originally Posted by ZASto View Post
    Lower acceleration. Start from there.
    Hi, I did... it doesn't change

  5. #5
    Join Date
    Mar 2021
    Posts
    7
    Quote Originally Posted by ger21 View Post
    Lower the feedrate in the g-code also
    Will try it today but, it doesn't explain or solve the gcodes commands in the mdi and diagnostics tabs so I guess there is another thing unsolved..... ????

  6. #6
    Join Date
    Jan 2021
    Posts
    27

    Re: Motors move only in manual. What am I missing

    I also had that problem. Was able to job around but it would do what yours is doing with MDI.

    After some ass scratching, I remembered aboot the keyboard TAB button motion screen Jog %. So I changed it from 50% to 100% and then did the motor tuning, also making sure to press the speed and accel sliders before hitting the save settings button, finished and closed the motor tuning - then hitting save settings in the config menu - Then shutting down and restarting Mach 3.

    I got tired of trying over and over with small settings. So I did a big jump down in the speed / accl and worked my way up.

    I was never able to tune the motors from inside the motor tuning screen.

    Oh Don't forget to lower you jog rate back down

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