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    • vbtalentundefined
      vbtalent
      last edited by

      Does that not go in the config.sys? This is currently the last line in mine along with the tools section…

      ...
      ; Tools
      M563 P0 D0 H1 ; 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
      ...
      
      ; Miscellaneous
      T0 				; Select first tool
      
      

      Seems strange to have to have it in 2 places…

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      • deckingmanundefined
        deckingman
        last edited by

        If you have T0 in config.sys then no, it shouldn't be necessary to put it in the start gcode. IMO it's it's best working practice though just in case there is something in a homing file that might change it.

        That's a good point when I think about it. Can you post your home all file please.

        Ian
        https://somei3deas.wordpress.com/
        https://www.youtube.com/@deckingman

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        • vbtalentundefined
          vbtalent
          last edited by

          I'll try adding the T0 to the Slic3r gCode and see if things change this morning.

          I see there is a place for it to be added in Slic3r in the "Start G-code" section as a permanent item.

          homeall.g

          z homing when doing a homeall does not work correctly
          
          ; homeall.g
          ; called to home all axes
          ;
          ; generated by RepRapFirmware Configuration Tool on Thu Nov 16 2017 16:04:38 GMT-0500 (Eastern Standard Time)
          
          ; Relative positioning
          
          G91                 ; relative positioning
          G1 X-305 F2000 S1    ; move to limit
          G1 X5 F200
          G1 X-10 F100 S1
          G1 X.01 F2000 ; Offset to correct zero position.
          G90                 ; absolute positioning
          G92 X0
          
          G91                 ; Relative positioning
          G1 Y305 F2000 S1    ;Run into stop
          G1 Y-5 F200
          G1 Y10 F100 S1     ;Run into slowly
          G1 Y-5 F2000       ; Offset to correct high limit position.
          G90
          G92 Y300
          
          G91                ; Relative positioning
          G1 Z-350 S1 F300   ; Move Z down until the switch triggers
          G1 Z2.5 F300
          G1 Z-5 S1 F150     ; Move Z down until the switch triggers
          G1 Z2.5 F150
          G90                ; Back to absolute positioning
          G92 Z2.69           ; Tell the firmware where we are
          
          

          config.g

          I; Configuration file for Duet WiFi (firmware version 1.17 to 1.19)
          ; executed by the firmware on start-up
          ;
          
          ; executed by the firmware on start-up
          ;
          ; generated by RepRapFirmware Configuration Tool on Tue Nov 14 2017 17:05:20 GMT-0500 (Eastern Standard Time)
          
          ; General preferences
          M111 S0 ; Debugging off
          G21 ; Work in millimetres
          G90 ; Send absolute coordinates...
          M83 ; ...but relative extruder moves
          M555 P1 ; Set firmware compatibility to look like RepRapFirmare
          
          M667 S1 ; Select CoreXY mode
          M208 X0 Y0 Z0 S1 ; Set axis minima
          M208 X300 Y300 Z320 S0 ; Set axis maxima
          
          ; Endstops
          M574 X1 Y2 Z1 S1 ; Set active low endstops
          M558 P0 X0 Y0 Z0 H5 F120 T6000 ; Set Z probe type to switch, the axes for which it is used and the dive height + speeds
          ;G31 P600 X0 Y0 Z2.5 ; Set Z probe trigger value, offset and trigger height
          ;M557 X15:285 Y15:310 S20 ; Define mesh grid
          
          ; Drives
          M569 P0 S0 ; Drive 0 goes backwards
          M569 P1 S0 ; Drive 1 goes backwards
          M569 P2 S0 ; Drive 2 goes backwards Z axis
          M569 P3 S1 ; Drive 3 goes forwards
          
          M350 X16 Y16 Z16 E16 I1 ; Configure microstepping with interpolation
          M92 X100 Y100 Z1600 E145.52 ; Set steps per mm
          M566 X900 Y900 Z12 E1200 ; Set maximum instantaneous speed changes (mm/min)
          M203 X12000 Y12000 Z360 E2500 ; Set maximum speeds (mm/min)
          M201 X500 Y500 Z250 E500 ; Set accelerations (mm/s^2)
          M906 X1700 Y1700 Z1700 E1700 I30 ; Set motor currents (mA) and motor idle factor in per cent
          M84 S30 ; Set idle timeout
          
          ; Heaters
          ;M305 P0 T100000 B3974 R4700 ; Set thermistor + ADC parameters for heater 0
          ;M143 H0 S120 ; Set temperature limit for heater 0 to 120C
          
          ; Thermistors and heaters --------------------------------
          ;Bed
          M143 H0 S120                        ; Set the maximum bed temperature in c-default is 110c
          M305 P0 T100000 B3974 C0 R4700      ; Bed thermistor
          M307 H0 A203.7 C745.2 D2.6  B0	    ;Set bed to use PID mode
          
          ;E3D
          M143 H1 S285                        	    ; Set the max temp of the hot-end in c-default is 280c
          M305 P1 T100000 B4725 C7.060000e-8 R4700	; E3D thermistor
          M307 H1 A324.6 C134.8 D3.7  B0				;Set E3D to use PID mode
          
          ; Tools
          M563 P0 D0 H1 ; 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
          
          ; Network
          M550 PDuetPrinter ; Set machine name
          M552 S1 ; Enable network
          M586 P0 S1 ; Enable HTTP
          M586 P1 S0 ; Disable FTP
          M586 P2 S0 ; Disable Telnet
          
          ; Fans
          ;M106 P0 S1 I0 F500 H1 T45
          ;M106 P0 S0.3 I0 F500 H-1 ; Set fan 0 value, PWM signal inversion and frequency. Thermostatic control is turned off
          ;M106 P1 S1 I0 F500 H1 T45 ; Set fan 1 value, PWM signal inversion and frequency. Thermostatic control is turned on
          ;M106 P2 S1 I0 F500 H1 T45 ; Set fan 2 value, PWM signal inversion and frequency. Thermostatic control is turned on
          ;M106 P1 T60 H1                      ; Hotend cooler: Enable fan to kick on at 60c. 
          ;M106 P1 H-1                            ; Filament cooler: Must do H-1, or it'll turn on with P0 for some reason.
          ;M106 P1 S0                             ; Filament cooler: Must do, or will go full blast on start :S
          
          ; Custom settings are not configured
          
          ; Miscellaneous
          T0 				; Select first tool
          
          

          thanks

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          • deckingmanundefined
            deckingman
            last edited by

            I note that you have a comment at the start of your home all file which says "z homing when doing a homeall does not work correctly".

            What you happens if you take out the G28 from Slic3R start gcode, (you can use a text editor to do that - no need to re-slice), home the printer manually, then try and print that file?

            Ian
            https://somei3deas.wordpress.com/
            https://www.youtube.com/@deckingman

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            • vbtalentundefined
              vbtalent
              last edited by

              Yes, just a note when I was knocking out issues that my Z Axis wasn't homing.. fixed it though.

              Commenting out the G28 command in the Slic3r code seems to have worked… the G1 Z5 F5000 ; lift nozzle move happened and the hot end heater kicked on. this really doesn't make sense..

              However the test print was a total failure, lol! Nothing stuck to the table… and so I've found my next problem.

              VB,

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              • dc42undefined
                dc42 administrators
                last edited by

                Lots of users have a G28 command in their slicer start script. So I am puzzled. I assume that the text "z homing when doing a homeall does not work correctly" is not actually part of your homeall.g file.

                You have G92 X0 and G92 Y300 commands in homeall.g, which is unusual and not needed if you set the axis limits correctly using M208 commands. But I would not expect those to cause the problem you report.

                Duet WiFi hardware designer and firmware engineer
                Please do not ask me for Duet support via PM or email, use the forum
                http://www.escher3d.com, https://miscsolutions.wordpress.com

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                • vbtalentundefined
                  vbtalent
                  last edited by

                  So, if in my config.g file I have an M208. You're saying that it is effectively setting the G92 of the machine?

                  My current M208 command is the following which I'm now thinking is incorrect?

                  M208 X0 Y0 Z0 S1 ; Set axis minima
                  
                  

                  Assuming a 305x305x305 machine should it be the following is order important?

                  M208 X305 Y305 Z305 S1 ; Set axis maxima
                  M208 X0 Y0 Z0 S1 ; Set axis minima
                  
                  

                  I then can remove the G92 commands from all the home'ing config's?

                  VB,

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                  • Dougal1957undefined
                    Dougal1957
                    last edited by

                    that first M208 line wants either the S1 removing or replacing with S0 to set the maxima

                    http://reprap.org/wiki/Gcodes#M208:_Set_axis_max_travel

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                    • SuperJETTundefined
                      SuperJETT
                      last edited by

                      Here's my start gcode from Slic3r:

                      [[language]]
                      M104 S[first_layer_temperature_0] ; set 1st nozzle heater to first layer temperature no wait
                      M140 S[first_layer_bed_temperature]; set bed temp to first layer temp no wait
                      
                      G28 
                      
                      T0; set primary extruder
                      M109 S[first_layer_temperature] ; heat nozzle to first layer temp and wait
                      G92 E0; set E to 0
                      G1 X2 Y2 F14000.000; move to front left corner of bed
                      G1 Z[first_layer_height] F6000.000; move to first layer height
                      G1 X220  E24 F2000.000; extrude a line of filament across the front edge of the bed using the 1st extuder
                      G92 E.5; set E to retraction length defined in printer settings
                      G4 P1000; wait for ooze to slow
                      G1 E0 F5400; execute reverse extrusion to retract by length defined in printer settings
                      G1 Z0 F6000.000; lower nozzle height to 0
                      G1 X225; wipe purged noodle on edge of bed
                      G92 E0; set E to 0 for 1st extruder
                      
                      

                      What's funny is I just recently fixed my homeall macro to match what I was manually doing in the start gcode. I just always had it that way and decided to finally make G28 work the same. That's why there are empty lines before/after right now.

                      Custom CoreXY at home with Duet Wifi, Hemera

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                      • vbtalentundefined
                        vbtalent
                        last edited by

                        @vbtalent:

                        …
                        Assuming a 305x305x305 machine should it be the following is order important?

                        M208 X305 Y305 Z305 S1 ; Set axis maxima
                        M208 X0 Y0 Z0 S1 ; Set axis minima
                        
                        

                        I then can remove the G92 commands from all the home'ing config's?

                        VB,

                        OK, thanks… S0 is for maxima and S1 is for minima in which case order is irrelevant.

                        M208 X305 Y305 Z305 S0 ; Set axis maxima
                        M208 X0 Y0 Z0 S1 ; Set axis minima
                        
                        
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