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Question Vfd brake problem

Discussion in 'Motor actuators and drivers' started by Veren József, Apr 4, 2020.

  1. Veren József

    Veren József New Member

    Joined:
    Feb 1, 2014
    Messages:
    3
    Balance:
    185Coins
    Ratings:
    +0 / 0 / -0
    My Motion Simulator:
    2DOF
    Hi Everybody,

    If you can please help me.. I'm building a sim with Vfd, 3 phase motors and arduino. The arduino code was written by my friend. Everything is good but there is a little problem with brake. When the motor stands in a position i think it would be hold the position fix but i can move it by hand you can see it in the video. So where is the problem in the code or in vfd brake settings. Sorry for english i am from Hungary with poor knowledge of english.


    Thank you
    Veren József, Apr 4, 2020
    #1
  2. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

    Joined:
    Jul 13, 2014
    Messages:
    20,535
    Occupation:
    Innovative tech specialist for NGOs
    Location:
    St Helens, Tasmania, Australia
    Balance:
    145,034Coins
    Ratings:
    +10,776 / 52 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    When powered on the motor should hold and not be able to be back driven. Hard to say if it is a code or PID problem without knowing what the code does or does not do.
    noorbeast, Apr 5, 2020
    #2
  3. Veren József

    Veren József New Member

    Joined:
    Feb 1, 2014
    Messages:
    3
    Balance:
    185Coins
    Ratings:
    +0 / 0 / -0
    My Motion Simulator:
    2DOF
    Thank you for your answer
    Veren József, Apr 5, 2020
    #3
  4. Veren József

    Veren József New Member

    Joined:
    Feb 1, 2014
    Messages:
    3
    Balance:
    185Coins
    Ratings:
    +0 / 0 / -0
    My Motion Simulator:
    2DOF
    I have got the code. Can you or anyone look at it in this site? I don't understand it so much.
    Veren József, Apr 5, 2020
    #4