Problem DDUM4 V1.0 and DDCM6V5.0 not working with M542T driver


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Thread: DDUM4 V1.0 and DDCM6V5.0 not working with M542T driver

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    Default DDUM4 V1.0 and DDCM6V5.0 not working with M542T driver

    Does anybody has any idea why it is not working?
    Here are some videos of my testings..



    My PC is windows 7 64bit.

    Thank you.

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    Default Re: DDUM4 V1.0 and DDCM6V5.0 not working with M542T driver

    Archsakas,

    Are you applying +5 vdc to pul+ and dir+ on stepper drive?

    Then connect step and dir from DDUM to pul- and dir- on stepper drive.

    Jeff...

    Patience and perseverance have a magical effect before which difficulties disappear and obstacles vanish.


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    Red face Re: DDUM4 V1.0 and DDCM6V5.0 not working with M542T driver

    Wire like this:

    Attached Thumbnails Attached Thumbnails DDUM4 V1.0 and DDCM6V5.0 not working with M542T driver-wiring-jpg  
    Patience and perseverance have a magical effect before which difficulties disappear and obstacles vanish.


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    Default Re: DDUM4 V1.0 and DDCM6V5.0 not working with M542T driver

    I connected exactly as in manual, that is common positive wire (+dir and +puls) and separate negatives to -dir and -puls. It says in mamual there is no EN signal.
    On DDCM6V1 Later I have found that then I set "step low active", motors works but not properly.
    ON DDUM4V1 there are separete 4 wires for step and dir +and -. I could not wire them wrong..

    Išsiųsta naudojantis Nexus 7 Tapatalk 4 Lt



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    Default Re: DDUM4 V1.0 and DDCM6V5.0 not working with M542T driver

    Archsakas,

    Try using version 3.042.040 of Mach3, the newer versions are not compatible with USBmove.dll version 2.01.9

    ftp://machsupport.com/Mach3/

    Jeff...

    Patience and perseverance have a magical effect before which difficulties disappear and obstacles vanish.


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    Default Re: DDUM4 V1.0 and DDCM6V5.0 not working with M542T driver

    nop.. doesn't work..
    Still testing DDUM4
    My osciloscope shows some signal when I move axis, but motor does not turn.. I tried nema 17 and nema 23, and a few new M542T drivers. Still does not work.
    I am going to return this card to the seller..



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    Registered James Newton's Avatar
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    Default Re: DDUM4 V1.0 and DDCM6V5.0 not working with M542T driver

    Hang on... if your scope is hooked to the step signal coming out of the DDUM4, then the only way it could be the problem is if the step pulse width is too narrow for the M542T driver. I've seen that before, and it's one of the reasons why my THB6064AH driver is popular with Marlin / RAMPS people... other drivers can't manage the narrow step.

    If you zoom in with your scope, can you measure the width of one step pulse?

    What step width does the M542T require?

    James hosts the single best wiki page about motors for CNC hobbyists on the net:
    http://techref.massmind.org/techref/io/motors.htm Disagree? Tell him what's missing! ,o)


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    Post Re: DDUM4 V1.0 and DDCM6V5.0 not working with M542T driver

    James,

    The pulse width output of the DDUM board is 2.5us and is not adjustable however the buffer is:




    Jeff...

    Attached Thumbnails Attached Thumbnails DDUM4 V1.0 and DDCM6V5.0 not working with M542T driver-pluse-width-jpg   DDUM4 V1.0 and DDCM6V5.0 not working with M542T driver-buffer-jpg  
    Patience and perseverance have a magical effect before which difficulties disappear and obstacles vanish.


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    Post Re: DDUM4 V1.0 and DDCM6V5.0 not working with M542T driver

    James,

    The minimum pulse width requirement for the 542 drive is 1.5us



    Jeff...

    Attached Thumbnails Attached Thumbnails DDUM4 V1.0 and DDCM6V5.0 not working with M542T driver-pulse-reqirement-jpg  
    Patience and perseverance have a magical effect before which difficulties disappear and obstacles vanish.


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    Default Re: DDUM4 V1.0 and DDCM6V5.0 not working with M542T driver

    Huh... so it should be working. Again, if the DDUM is producing steps, and they are wide enough, then IT is not the problem.

    James hosts the single best wiki page about motors for CNC hobbyists on the net:
    http://techref.massmind.org/techref/io/motors.htm Disagree? Tell him what's missing! ,o)


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    Default Re: DDUM4 V1.0 and DDCM6V5.0 not working with M542T driver

    I wonder if the Sherline mode would help.

    Attached Thumbnails Attached Thumbnails DDUM4 V1.0 and DDCM6V5.0 not working with M542T driver-sherline-jpg  
    Patience and perseverance have a magical effect before which difficulties disappear and obstacles vanish.


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    Default Re: DDUM4 V1.0 and DDCM6V5.0 not working with M542T driver

    Unfortunately, I cant measure width of the pulse.
    I tried "sherline" mode, but nothing changed.
    I tried "step low active" in motors tab, nothing changed..
    DDUM should be producing width enough pulse, but I guess it does not..



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    Default Re: DDUM4 V1.0 and DDCM6V5.0 not working with M542T driver

    Did you try and increase the buffer settings?

    Patience and perseverance have a magical effect before which difficulties disappear and obstacles vanish.


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    Default Re: DDUM4 V1.0 and DDCM6V5.0 not working with M542T driver

    I tried to change buffer settings to maximum, but nothing changed.
    he is what I see on my ossiloscope the I try to move axis


    distance between two white vertical lines is 20 ms, so it should be about 5 ms, I guess..
    so maybe the pulse width is OK, dont know any more...



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    Default Re: DDUM4 V1.0 and DDCM6V5.0 not working with M542T driver

    Try measuring the pul+ and dir+ to make sure +5 volts is there.

    Patience and perseverance have a magical effect before which difficulties disappear and obstacles vanish.


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    Default Re: DDUM4 V1.0 and DDCM6V5.0 not working with M542T driver

    pulse signal



    now I can see pulse looks good, 5 volts there (right bottom corner "Vmax")

    dir signal



    5 volts there is..



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    Default Re: DDUM4 V1.0 and DDCM6V5.0 not working with M542T driver

    Please post detailed good pictures of the wiring.

    Patience and perseverance have a magical effect before which difficulties disappear and obstacles vanish.


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    Default Re: DDUM4 V1.0 and DDCM6V5.0 not working with M542T driver

    Does the motor lock up when the driver is powered?

    Patience and perseverance have a magical effect before which difficulties disappear and obstacles vanish.


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    Default Re: DDUM4 V1.0 and DDCM6V5.0 not working with M542T driver

    here is wiring video


    and settings video




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    Default Re: DDUM4 V1.0 and DDCM6V5.0 not working with M542T driver

    1: Trying to follow the wiring while the camera is in motion sucks, take some time and post good still images!


    2: Does the motor lock up when the driver is powered?

    Patience and perseverance have a magical effect before which difficulties disappear and obstacles vanish.


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DDUM4 V1.0 and DDCM6V5.0 not working with M542T driver

DDUM4 V1.0 and DDCM6V5.0 not working with M542T driver