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    Duet 3 on BLV Build Bed Compensation

    Scheduled Pinned Locked Moved
    Tuning and tweaking
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    • mrenz999undefined
      mrenz999
      last edited by

      I have 3 Z motors. All working correctly now. Thank you guys. I setup the bed.g and config.g file and then tried to run G32. It moved the hotend to the first lead screw and stopped. It did not probe or do anything.

      ; Configuration file for Duet 3 (firmware version 3)
      ; executed by the firmware on start-up
      ;
      ; generated by RepRapFirmware Configuration Tool v3.1.3 on Tue Jun 16 2020 08:02:01 GMT-0700 (Pacific Daylight Time)

      ; General preferences
      G90 ; send absolute coordinates...
      M83 ; ...but relative extruder moves
      M550 P"Duet 3" ; set printer name
      M669 K1 ; select CoreXY mode

      ; Drives
      M569 P0.0 S0 ; physical drive 0.0 goes forwards
      M569 P0.1 S1 ; physical drive 0.1 goes forwards
      M569 P0.2 S0 ; physical drive 0.2 goes forwards
      M569 P0.3 S0
      M569 P0.4 S1
      M569 P0.5 S0 ; physical drive 0.3 goes forwards
      M584 X0.0 Y0.1 Z0.2:3:4 E0.5 ; set drive mapping
      M350 X16 Y16 Z16 E16 I1 ; configure microstepping with interpolation
      M92 X80.00 Y80.00 Z400.00 E415.00 ; set steps per mm
      M566 X900.00 Y900.00 Z60.00 E120.00 ; set maximum instantaneous speed changes (mm/min)
      M203 X9000.00 Y9000.00 Z480.00 E3600.00 ; set maximum speeds (mm/min)
      M201 X2500.00 Y2500.00 Z20.00 E1000.00 ; set accelerations (mm/s^2)
      M906 X950 Y950 Z950 E950 I30 ; set motor currents (mA) and motor idle factor in per cent
      M84 S30 ; Set idle timeout
      M671 X20:20:400 Y70:360:200 S0.5 ; leadscrews at rear left, front middle and rear right

      ; Axis Limits
      M208 X15 Y0 Z0 S1 ; set axis minima
      M208 X425 Y410 Z465 S0 ; set axis maxima

      ; Endstops
      M574 X1 S1 P"!io0.in" ; configure active-high endstop for low end on X via pin !io0.in
      M574 Y1 S1 P"!io1.in" ; configure active-high endstop for low end on Y via pin !io1.in
      M574 Z1 S2 ; configure Z-probe endstop for low end on Z

      ; Z-Probe
      ;M950 S0 C"io7.out" ; create servo pin 0 for BLTouch
      ;M558 P9 C"^io7.in" H5 F120 T6000 ; set Z probe type to bltouch and the dive height + speeds height + speeds
      ;G31 P500 X-40 Y-10 Z6 ; set Z probe trigger value, offset and trigger height
      ;M557 X50:260 Y50:260 S20 ; define mesh grid
      Z-Probe
      M558 P8 C"^io7.out"
      G31 P500 X-40 Y-10 Z2

      ; Heaters
      M308 S0 P"temp0" Y"thermistor" T100000 B4008 ; configure sensor 0 as thermistor on pin temp0
      M950 H0 C"out0" T0 ; create bed heater output on out0 and map it to sensor 0
      M307 H0 B0 S1.00 ; disable bang-bang mode for the bed heater and set PWM limit
      M140 H0 ; map heated bed to heater 0
      M143 H0 S120 ; set temperature limit for heater 0 to 120C
      M308 S1 P"temp1" Y"thermistor" T100000 B3950 ; configure sensor 1 as thermistor on pin temp1
      M950 H1 C"out1" T1 ; create nozzle heater output on out1 and map it to sensor 1
      M307 H1 B0 S1.00 ; disable bang-bang mode for heater and set PWM limit
      M143 H1 S300

      ; Fans
      M950 F0 C"out7" Q500 ; create fan 0 on pin out7 and set its frequency
      M106 P0 S1 H-1 ; set fan 0 value. Thermostatic control is turned off
      M950 F1 C"out8" Q500 ; create fan 1 on pin out8 and set its frequency
      M106 P1 S1 H-1 ; set fan 1 value. Thermostatic control is turned off
      M950 F2 C"out9" Q500 ; create fan 2 on pin out9 and set its frequency
      M106 P2 S1 H-1 ; set fan 2 value. Thermostatic control is turned off

      ; Tools
      M563 P0 D0 H1 F0 ; define tool 0
      G10 P0 X0 Y0 Z0 ; set tool 0 axis offsets
      G10 P0 R0 S0 ; set initial tool 0 active and standby temperatures to 0C

      ; Custom settings are not defined

      ; Miscellaneous
      M575 P1 S1 B57600 ; enable support for PanelDue
      M911 S10 R11 P"M913 X0 Y0 G91 M83 G1 Z3 E-5 F1000" ; set voltage thresholds and actions to run on power loss
      M501

      ; bed.g
      ; called to perform automatic bed compensation via G32
      ;
      ; generated by RepRapFirmware Configuration Tool v3.1.1 on Thu Jun 04 2020 11:20:24 GMT-0700 (Pacific Daylight Time)
      ;M561 ; clear any bed transform
      G29 ; probe the bed and enable compensation
      G28 ; home
      ;M401 ; deploy Z probe
      G30 P0 X20 Y70 Z-99999 ; probe near an adjusting screw
      G30 P1 X20 Y400 Z-99999 ; probe near an adjusting screw
      G30 P2 X400 Y200 Z-99999 S3 ; probe near an adjusting screw and calibrate 3 motors

      ;M402 ; retract probe

      Phaedruxundefined 1 Reply Last reply Reply Quote 0
      • Phaedruxundefined
        Phaedrux Moderator
        last edited by

        Does the probe work otherwise?
        What is the probe?
        Do you get an error message?
        Firmware version?

        Z-Bot CoreXY Build | Thingiverse Profile

        mrenz999undefined 1 Reply Last reply Reply Quote 0
        • mrenz999undefined
          mrenz999 @Phaedrux
          last edited by mrenz999

          @Phaedrux dc IR sensor. Works fine otherwise. RRF3. No errors. Just moves to the point and stops and doesn't do anything else.

          1 Reply Last reply Reply Quote 0
          • nrivieraundefined
            nriviera
            last edited by

            I don't have a g29 in mine and it doesn't really make sense before your true bed levelling.

            1 Reply Last reply Reply Quote 0
            • Phaedruxundefined
              Phaedrux Moderator @mrenz999
              last edited by

              @mrenz999 said in Duet 3 on BLV Build Bed Compensation:

              ;M557 X50:260 Y50:260 S20 ; define mesh grid
              Z-Probe
              M558 P8 C"^io7.out"
              G31 P500 X-40 Y-10 Z2

              You're trying to run mesh compensation before the bed leveling but you don't have an M557 in your config.g to define the grid. It's commented out.

              As @nriviera says it doesn't make sense to run G29 before you've leveled the bed anyway, so add a M557 command to the config.g and then move the G29 to the end, Or temporarily remove it entirely from bed.g until you get leveling sorted out. You may need to do multiple passes of leveling anyway.

              Z-Bot CoreXY Build | Thingiverse Profile

              1 Reply Last reply Reply Quote 0
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