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Openbuilds control software connects, but controls don't work?

Discussion in 'Control Software' started by alphabeta77, Dec 3, 2022.

  1. alphabeta77

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    Hi all,

    Attempting to connect to my OxCNC using Openbuilds software to try it out (using UGS until now).

    Software connects fine via USB and I can see it detects the correct firmware version of GRBL and can send reset commands for X, Y, Z - but when I click to move the CNC on the X,Y, Z, nothing happens.

    I have a feeling this is me not understanding the software as I can't see the GCode being sent either....?

    Any tips?
     
  2. sharmstr

    sharmstr OpenBuilds Team
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    Are the motors engaging? No idea what controller you have but check $4 in grbl settings.

    Info from the serial log would help us as well.
     
  3. David the swarfer

    David the swarfer OpenBuilds Team
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    to be clear, $4 has to be inverted on the Blackbox - ie this is the default in the versions of GRBL that OBCONTROL will install in the controller for you. So if you uploaded GRBL from OBCONTROL and do not have a Blackbox (|Ox usually had an Xpro controller) you need to change $4 to enable the drivers.
     
  4. alphabeta77

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    Hi all - I've been using Grbl 0.9 and UGS as my combo with an xpro as you guessed correctly - and then I've just installed OBControl to test it.

    If I follow, then I 'think' this shouldn't need the inversion? But think you're onto something regardless - will check $4!

    Thanks for tips!
     
  5. David the swarfer

    David the swarfer OpenBuilds Team
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    grbl 0.9 not equal to grbl 1.1 (-:
    OBCOntrol likes 1.1
    1.1 has slightly different pinouts, but it is possible to compile it with the correct settings for the old Xpro
    dowload the arduino IDE
    download and install the GRBL library
    change settings in config.h
    compile and install

    read all of Compiling Grbl · gnea/grbl Wiki , knowledge is power (-:
     
  6. alphabeta77

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    Ah right, very helpful!

    Will do!
     
  7. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Grbl 0.9 introduced the pin change Home · grbl/grbl Wiki - 1.1 should be the same.
     
  8. David the swarfer

    David the swarfer OpenBuilds Team
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    i claim age related memory loss....
     
    Giarc and Peter Van Der Walt like this.

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