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Thread: Help with Novusun NVEM control card

  1. #85
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    Default Re: Help with Novusun NVEM control card

    Hi all,

    Can anyone help me posting a XML file with a working configuration with NVEM, just to make a X axis move with nothing else (no emergency switch, no prob, no mpg...).
    I followed NVEM documentation but nothing move on my side. I do not understand what I am making wrong.
    I use Mach3 + NVEM + DM542 ( stepper Driver) +NEMA23(Motor 425oz, 4.2A, 2 phases, 200 steps). I double-checked the cabling and switches on my DM542 (1=OFF/2=OFF/3=OFF/4=ON/5=OFF/6=ON/7=ON/8=ON) everything is fine.
    NVEM is connected to my computer, but I think there is something with the pin allocation...



  2. #86
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    Default Re: Help with Novusun NVEM control card

    Hello to everyone!

    Could you please share the partially fixed NVEM driver with me?
    Is anybody maintaining the contact with developer? I really hope that they will clean-up this driver and will adapt it for Mach4 as well)
    BTW the MPG EStop input of my NVEM doesn't work, have anybody same issue?



  3. #87
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    Default Re: Help with Novusun NVEM control card

    Quote Originally Posted by Yury_D View Post
    Hello to everyone!

    BTW the MPG EStop input of my NVEM doesn't work, have anybody same issue?
    I have the USB version the NVUM. I just installed the MPG and got it working with two issues. The ESTOP on my MPG was wired to the NC contact on the switch in the MPG. I moved it to the NO contact and it now works perfectly along with the external ESTOP that I have wired directly to the NVUM. So I have two working ESTOP buttons. The second issue I had is that the manual clearly says that the Encoder input is designed for differential input or single ended input. It says to just leave the negative side open. That did not work on mine. I had to jumper the negative side to ground for it to work. That would be WHA- and WHB-. MPG now works, with one exception: the rate does not update on the screen, even though it does work properly. I tried multiple versions of the driver and only found one that worked with the MPG. That was version F, the later K version did not work. I would also like a newer driver that works with the MPG, but have found nothing newer that worked at all.

    Does your assembly have U4, an 8 pin optoisolator installed? Mine is missing that part and I have no idea why and no idea what the part number should be.
    Good luck. Tommy



  4. #88
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    Default Re: Help with Novusun NVEM control card

    NVEM has two EStop inputs, one of them is dedicated for MPG and it doesn't work in my case, the second one works perfectly and can be configured in Mach3 for NC or NO switch (NC is preferable because it allows to detect cable break/poor contact)
    I have a photo of my NVEM board but I can't publish it here - there is no send/upload button on the image insert dialog :\



  5. #89
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    Default Re: Help with Novusun NVEM control card

    I have the new version of the NVEM. They sell this as NVEM V2, same problem for the soft limits not working! Has anyone fixed this thing?
    Homing slave axis with master: Working



  6. #90
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    Default Re: Help with Novusun NVEM control card

    Just received my NVUM3-SP board. Is there a separate Mach3 plugin for the USB version as opposed to the Ethernet version, or are they one in the same?



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Help with Novusun NVEM control card
Help with Novusun NVEM control card