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  1. #1

    Join Date
    Aug 2019
    Posts
    8

    PC does not detect CNC machine when connected

    Hello,

    I have recently received my CNC Router machine from OMNI. I have connected the machine to my PC via USB cable and the computer/mach3 does not detect it. Zach from OMNI told me there is no need to download a driver or plugin and basically tells me that I should be able to simply plug and play without any drivers or configuration. I'm not sure if it matters but I am running Windows 10. If anyone can assist me it would be greatly appreciated.

    Thank you.

  2. #2

    Join Date
    Aug 2019
    Posts
    8

    Re: PC does not detect CNC machine when connected

    I was able to find the correct driver and got my machine running on all axes so I no longer need assistance with this issue. I do have another question though if anyone can give it some consideration. I'm unable to control the spindle/VFD through Mach3. The VFD is on and displays info on the screen but it doesn't seem to display RPM or control the spindle. I can provide pictures and/or additional information if it helps. Thanks.

  3. #3
    Registered
    Join Date
    Aug 2009
    Posts
    230

    Re: PC does not detect CNC machine when connected

    Some VFDs have a parameter setting that selects where they get their commands from - front panel; MODBUS, external potentiometer, relay contacts, and/or 0-10v input.

    Look in your owners manual for the VFD to find this. If the machine did not come with the VFD manual; you may be able to find it online by googling for the VFD's manufacturer and model number.


  4. #4

    Join Date
    Sep 2020
    Posts
    1

    Re: PC does not detect CNC machine when connected

    Quote Originally Posted by JaMRH View Post
    I was able to find the correct driver and got my machine running on all axes so I no longer need assistance with this issue. I do have another question though if anyone can give it some consideration. I'm unable to control the spindle/VFD through Mach3. The VFD is on and displays info on the screen but it doesn't seem to display RPM or control the spindle. I can provide pictures and/or additional information if it helps. Thanks.
    I am a new member, AldoV from Belgium and I have the same problem you had, I bought a sainsmart Genmitsu 3018MX3 and when I connect it to my PC with Windows 10, it is not recognised. In device manager I see only COM1 available and that does not connect to my CNC.
    I see above that you found a driver that works, could you possibly let me know wich one it is?
    Thanks, AldoV

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