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IndustryArena Forum > WoodWorking Machines > DIY CNC Router Table Machines > Z-axis only turns in ONE direction, anyone know what might be wrong?
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    Feb 2012
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    Z-axis only turns in ONE direction, anyone know what might be wrong?

    i've just recieved a TB6560 'advanced' controller (the 3.5A version with case) and everything works fine, except the Z-axis motor wil only turn clockwise...

    -> i have set everything like it should in mach 3 (like in the manual in the attachment...)

    - X-pulse: pin 2
    - X-Dir: pin 3
    - Y-pulse: pin 4
    - Y-dir: pin 5
    - Z-pulse: pin 6
    - Z-dir: pin 7

    - enable 1: pin 16

    -> i have also measured the cable and he is NOT broken

    -> i also have switched the motors to see if my motor isn't broken but with another motor the problem remains the same.

    -> and as you can see in the picture below, when setting the 'dir low active' to 'ON' he still will only turn clockwise but instead of pushing the '-' sign you have to push the '+' sign.

    so is could this be a hardware problem? or a settings problem?
    and can this be meassured IF it is a hardware problem?

    thanks in advance!!!
    Attached Thumbnails Attached Thumbnails Z-axis failure.jpg   TB6560 advanced_2.JPG  
    Attached Files Attached Files

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