Duet3D Logo

    Duet3D

    • Register
    • Login
    • Search
    • Categories
    • Tags
    • Documentation
    • Order

    Bed probing with BLTouch not working

    Third-party add-ons
    2
    3
    186
    Loading More Posts
    • Oldest to Newest
    • Newest to Oldest
    • Most Votes
    Reply
    • Reply as topic
    Log in to reply
    This topic has been deleted. Only users with topic management privileges can see it.
    • ronnien59
      ronnien59 last edited by

      I have seen the documentation and believe i have set all up correctly but the G29 cmd replies with an error:
      "Error G29: no valid grid defined for bed probing"
      the machine is a Makergear M2 With Duet2 WiFi

      Firmware Name: RepRapFirmware for Duet 2 WiFi/Ethernet
      Firmware Electronics: Duet WiFi 1.0 or 1.01
      Firmware Version: 2.03 (2019-06-13b2)
      WiFi Server Version: 1.21
      Web Interface Version: 1.21

      config:
      ; Configuration file for Makergear M2 Duet (firmware version 2.03)
      ; General Preferences
      M111 S0 ; Debug off
      G21 ; Work in millimetres
      G90 ; Send absolute coordinates...
      M83 ; ...but relative extruder moves
      M550 PMakergear M2 ; Machine name (can be anything you like)
      M551 ; Machine password (currently not used)

      ; Network
      ;*** If you have more than one Duet on your network, they must all have different MAC addresses, so change the last digits
      M540 P0xBE:0xEF:0xDE:0xAD:0xFE:0xED ; MAC Address (hexadecimal)

      ;*** Wifi Networking
      M552 S1 ; Enable WiFi
      M555 P2 ; Set output to look like Marlin
      M586 P0 S1 ; enable HTTP
      M586 P1 S0 ; disable FTP
      M586 P2 S0 ; disable Telnet
      M575 P1 B57600 S1 ; Comms parameters for PanelDue

      ; Drives

      M569 P0 S0 ; X axis direction
      M569 P1 S0 ; Y axis direction
      M569 P2 S1 ; Z axis direction
      M569 P3 S1 ; Extruder Drive 0
      M584 X0 Y1 Z2 E3
      M350 X16 Y16 Z16 E16 I1 ; Set 16x microstepping with interpolation
      M92 X80.12 Y80.12 Z399.78 ; Set axis steps/mm
      M566 X800 Y980 Z12 E180 ; Minimum speeds mm/minute
      M203 X6000 Y6000 Z1500 E3000 ; Maximum speeds (mm/min)
      M201 X800 Y800 Z400 E10000 ; Accelerations (mm/s^2)
      M906 X800 Y800 Z800 E800 I30 ; Set motor currents (mA)
      M84 S30 ; Set idle timeout
      M564 H0

      ; Limits
      M208 X0 Y0 Z0 S1 ; set axis minimum (adjust to make X=0 the edge of the bed)
      M208 X205 Y255 Z205 ; set axis maxima (adjust to suit your machine)

      ; End Stops
      M574 X1 Y1 S0 ; set endstop configuration (X and Y endstop only, at low end, active high)
      M574 Z1 S2 ; Define Z to use probe. S2=Home to minimum

      ; Z-Probe Bltouch
      M307 H7 A-1 C-1 D-1 ; disable Heater7 to free up PWM channel 5 on Duex board for BLTouch
      M558 P9 H5 F500 R0.2 T6000 X0 Y0 Z1 ; P=Select Z-probe type/mode=9 for BLtouch. H=DiveHeight above bed(mm), F=Speed the bed moves, T=Travel Speed between points
      G31 P1000 X24 Y0 Z1.55 ; P=Z probe trigger value,X&Y=offset for mount relative to nozzle (mm), Z=trigger height "Z-offset"(mm)
      M577 X0:180 Y0:250 S10
      ; Heater and thermistor section
      ;*** If you have a Duet board with 1K thermistor series resistors, change R4700 to R1000 to the following M305 commands

      M307 H1 A350.1 C103.5 D4.0 B0
      M305 P0 T100000 B3950 R4700 H0 L0 ; Put your own H and/or L values here to set the bed thermistor ADC correction
      M305 P1 R4700 T100000 B3988 ; Put your own H and/or L values here to set the bed thermistor ADC correction
      M143 H0 S280

      ;Tool definition section

      M563 P0 D0 H1 ; Define tool 0 to use extruder drive 0 and heater 1
      G10 P0 S0 R0 ; Set tool 0 operating and standby temperatures
      ;Bed tramming

      ;*** if you are using axis compensation, put the figures in the following command
      M556 S78 X0 Y0 Z0 ; Axis compensation here
      T0 ; select first hot end

      Bed.g

      M561
      G28
      G29
      M577 X5:205 Y5:255 S30

      Not sure what to do next. I have looked at the documentation on the web site but i have to be missing something.

      1 Reply Last reply Reply Quote 0
      • aidar
        aidar last edited by

        M577 X0:180 Y0:250 S10

        You have wrong command to define mesh grid, it should be M557, but you have M577.

        1 Reply Last reply Reply Quote 0
        • ronnien59
          ronnien59 last edited by

          I new it would be simple but was not seeing it. even after looking at my other 3d printer. Thanks so much. working fine now

          1 Reply Last reply Reply Quote 1
          • First post
            Last post
          Unless otherwise noted, all forum content is licensed under CC-BY-SA