Movement distances are wrong…



  • Hi,

    new of this morning….

    With Duet Web interface, i have this issue, a commit a comand for move z-100, and really moves aprox 200 mm down.

    Why? How adjust this?

    Yesterday i had do a print, and works ok...



  • one thing….

    Yesterday change microstepping in config.g, because i installed Nimble extruder,...

    [[language]]
    ; Drives
    M569 P0 S1 ; Drive 0 goes forwards
    M569 P1 S1 ; Drive 1 goes forwards
    M569 P2 S1 ; Drive 2 goes forwards
    M569 P3 S0 ; Drive 3 goes forwards
    M350 X16 Y16 Z16 E16 I1 ; Configure microstepping with interpolatio
    M92 X160 Y160 Z160 E2470 ; Set steps per mm
    M566 X600 Y600 Z600 E40 ; Set maximum instantaneous speed changes (mm/min)
    M203 X12000 Y12000 Z12000 E3000 ; Set maximum speeds (mm/min)
    M201 X600 Y600 Z600 E1500 ; Set accelerations (mm/s^2)
    M906 X1200 Y1200 Z1200 E7200 I30 ; Set motor currents (mA) and motor idle factor in per cent
    M84 S30 ; Set idle timeou
    
    

    i suppose this have realtion….


  • administrators

    Changing microstepping changes the steps/mm. See the text starting "When M350 is processed…" at https://duet3d.com/wiki/G-code#M350:_Set_microstepping_mode.



  • i have find it
    this line is wrong

    [[language]]
    M350 X16 Y16 Z16 E16 I1 ; Configure microstepping with interpolatio
    
    

    for Nimble interpolation its only in extruder, not in axes

    this is ok, think

    [[language]]
    M350 X32 Y32 Z32 E16 I1 ; Configure microstepping with interpolatio
    
    


  • Pierof all you need to do is change your M92 line to
    M92 X80 Y80 Z80 E2470

    That will fix your issue

    Doug

    remember you are using 1.8 degree motors and 20 tooth pulleys


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