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IndustryArena Forum > Machine Controllers Software and Solutions > UCCNC Control Software > UCCNC to AVF 5100 via Modbusez, problems communicating
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  1. #1

    Question UCCNC to AVF 5100 via Modbusez, problems communicating

    Hi

    I'm having having troubles configuring my new VFD.
    It's a chinese VFD (Avf 5100) controlling my chinese spindle (2,2kw, watercooled, 400Hz, 24 000rpm). I'm using as stated in the title, UCCNC as control software.

    I've configured the VFD for RS485 ( I think) and I'm using a serial to RS485 converter that worked perfectly with my old VFD.

    I tried alot of different settings in Modbusez (v16) setup. At best the fan starts in the vfd but nothing more.

    Attached some pictures of the modbusez settings, a couple of pages from the manual and a pic from the serial communication from one of my tries.

    Anyone who can help me? Have run out of ideas now.

    Thanks

  2. #2

    Re: UCCNC to AVF 5100 via Modbusez, problems communicating

    Latest update,

    I now can adjust the speed with UCCNC BUT only for a few seconds then the vfd resumes its speed!!!???

    Forgot to mention that its hooked up by analog port now...

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