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    Duet Hardware and wiring
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    • Davundefined
      Dav
      last edited by

      Hi All

      I'm new on Duet world, I bought a Duet 2 Wifi and I'm configuring it with my RatRig CoreXY, here are my configuration:

      CONF.G
      ; Configuration file for Duet WiFi (firmware version 2.03)
      ; executed by the firmware on start-up
      ;
      ; generated by RepRapFirmware Configuration Tool v2.1.3 on Fri Nov 29 2019 17:03:36 GMT+0100 (Central European Standard Time)

      ; General preferences
      G90 ; send absolute coordinates...
      M83 ; ...but relative extruder moves
      M550 P"RatRig Linear" ; set printer name

      M667 S1 ; select CoreXY mode

      ; Network
      M552 S1 ; enable network
      M586 P0 S1 ; enable HTTP
      M586 P1 S0 ; disable FTP
      M586 P2 S0 ; disable Telnet

      ; Drives
      M569 P0 S1 ; physical drive 0 goes forwards
      M569 P1 S1 ; physical drive 1 goes forwards
      M569 P2 S1 ; physical drive 2 goes forwards
      M569 P3 S1 ; physical drive 3 goes forwards
      M569 P4 S1 ; physical drive 4 goes forwards
      M584 X0 Y1 Z2:4 E3
      M350 X16 Y16 Z16 E16 I1 ; configure microstepping with interpolation
      M92 X80.00 Y80.00 Z4000.00 E415.00 ; set steps per mm
      M566 X900.00 Y900.00 Z12.00 E120.00 ; set maximum instantaneous speed changes (mm/min)
      M203 X6000.00 Y6000.00 Z180.00 E1200.00 ; set maximum speeds (mm/min)
      M201 X500.00 Y500.00 Z20.00 E250.00 ; set accelerations (mm/s^2)
      M906 X800 Y800 Z800 E800 I30 ; set motor currents (mA) and motor idle factor in per cent
      M84 S30 ; Set idle timeout

      ; Axis Limits
      M208 X0 Y0 Z0 S1 ; set axis minima
      M208 X300 Y300 Z300 S0 ; set axis maxima

      ; Endstops
      ;M574 Z0 S0 ; set active low and disabled endstops
      M574 X1 Y1 Z1 S3 ; set endstops controlled by motor stall detection

      ; Z-Probe
      M558 P0 H5 F120 T6000 ; disable Z probe but set dive height, probe speed and travel speed
      M557 X15:215 Y15:195 S20 ; define mesh grid

      ; Heaters
      M140 H-1 ; disable heated bed
      M305 P1 T100000 B4138 R4700 ; set thermistor + ADC parameters for heater 1
      M143 H1 S280 ; set temperature limit for heater 1 to 280C

      ; Fans
      M106 P0 S0 I0 F500 H-1 ; set fan 0 value, PWM signal inversion and frequency. 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

      ; homex.g
      ; called to home the X axis
      ;
      ; generated by RepRapFirmware Configuration Tool v2.1.3 on Fri Nov 29 2019 17:03:36 GMT+0100 (Central European Standard Time)
      ;G91 ; relative positioning
      ;G1 H2 Z5 F6000 ; lift Z relative to current position
      ;G1 H1 X-305 F1800 ; move quickly to X axis endstop and stop there (first pass)
      ;G1 H2 X5 F6000 ; go back a few mm
      ;G1 H1 X-305 F360 ; move slowly to X axis endstop once more (second pass)
      ;G1 H2 Z-5 F6000 ; lower Z again
      ;G90 ; absolute positioning
      ;
      ; homex.g
      ; called to home the X axis
      ;
      M400 ; make sure everything has stopped before we make changes
      G1 Z1 F6000 S3 ; Lift Z
      M574 X1 Y1 S3 ; set endstops to use motor stall
      M913 X75 ; drop motor currents to 75%
      M915 X Y S3 R0 ; set sensitivity to +3 unfiltered
      G91 ; use relative positioning
      G1 S1 X-300 F4000 ; move X all the way left and stop at end
      G1 X6 ; move to edge of glass
      G92 X0 ; set X0 at edge of glass
      G90 ; absolute positioning

      ; homey.g
      ; called to home the Y axis
      ;
      ; generated by RepRapFirmware Configuration Tool v2.1.3 on Fri Nov 29 2019 17:03:36 GMT+0100 (Central European Standard Time)
      ;G91 ; relative positioning
      ;G1 H2 Z5 F6000 ; lift Z relative to current position
      ;G1 H1 Y-305 F1800 ; move quickly to Y axis endstop and stop there (first pass)
      ;G1 H2 Y5 F6000 ; go back a few mm
      ;G1 H1 Y-305 F360 ; move slowly to Y axis endstop once more (second pass)
      ;G1 H2 Z-5 F6000 ; lower Z again
      ;G90 ; absolute positioning
      ;
      ; homey.g
      ; called to home the Y axis
      ;
      M400 ; make sure everything has stopped before we make changes
      G1 Z1 F6000 S3 ; Lift Z
      M574 X1 Y1 S3 ; set endstops to use motor stall
      M913 Y75 ; drop motor currents to 75%
      M915 X Y S3 R0 ; set sensitivity to +3 unfiltered
      G91 ; use relative positioning
      G1 S1 Y-300 F4000 ; move X all the way left and stop at end
      G1 X6 ; move to edge of glass
      G92 X0 ; set X0 at edge of glass
      G90 ; absolute positioning

      ; homez.g
      ; called to home the Z axis
      ;
      ; generated by RepRapFirmware Configuration Tool v2.1.3 on Fri Nov 29 2019 17:03:36 GMT+0100 (Central European Standard Time)
      ;G91 ; relative positioning
      ;G1 H2 Z5 F6000 ; lift Z relative to current position
      ;G1 H1 Z-305 F1800 ; move Z down until the endstop is triggered
      ;G92 Z0 ; set Z position to axis minimum (you may want to adjust this)
      ;
      ; Uncomment the following lines to lift Z after probing
      ;G91 ; relative positioning
      ;G1 H2 Z5 F100 ; lift Z relative to current position
      ;G90 ; absolute positioning
      ;
      M400 ; make sure everything has stopped before we make changes
      M574 Z2:4 S3 ; set endstops to use motor stall
      M913 Z75 ; drop motor currents to 75%
      M915 Z S3 R0 ; set sensitivity to +3 unfiltered
      G91 ; use relative positioning
      G1 S1 Z300 F1500 ; home z
      G90 ; back to absolute positioning
      M400 ; make sure everything has stopped before we reset the motor currents

      My Idea is tu finally have the printer working with X and Y with sensorless and with this configuration is working fine, my problem is on Z, I bought an original Bltouch buy is on the way so right now I only would like to use my bed with sensorless or with manual calibration but it doesnt' work, I tried with bot Z motors connected to serial and now I'm trying with one motor to Z the other on E1 but when I start the printer and click on home Z it goes in blue without do Home and if I click to move down it moves if I click on move up it does a noise.
      Who can help me?

      Thanks

      Phaedruxundefined 1 Reply Last reply Reply Quote 0
      • Vetiundefined
        Veti
        last edited by

        @Dav said in Software Configuration:

        M574 X1 Y1 Z1 S3 ; set endstops controlled by motor stall detection

        i dont think stall detection is accurate enough for z.

        see https://duet3d.dozuki.com/Wiki/Stall_detection_and_sensorless_homing

        The stepper drivers only update the stall detection state every 1 or 4 full steps, depending on configuration. So the actual position of the stall is uncertain to either +/- half a full step or +/- 2 full steps. This means that when using stall detection to replace endstop switches, the position defined by the stall is much less accurate than with typical endstop switches.

        M305 P1 T100000 B4138 R4700 ; set thermistor + ADC parameters for heater 1

        B4138 is the default and almost certainly wrong for your thermistor

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

          @Dav said in Software Configuration:

          I tried with bot Z motors connected to serial and now I'm trying with one motor to Z the other on E1 but when I start the printer and click on home Z it goes in blue without do Home and if I click to move down it moves if I click on move up it does a noise.

          stall detection endstops for the Z axis are very difficult to tune. I don't recommend it. Even if you get it tuned to work when the motors are cold, when they are hot after a long print, they won't respond the same way.

          If you want to have a way of homing Z in a probe like manner before your bltouch arrives, use probe type M558 P0. That will allow for manual probing where a jog dialogue will pop up and allow you to jog the Z axis to Z0 whenever probing is required (G29, G30)

          Z-Bot CoreXY Build | Thingiverse Profile

          1 Reply Last reply Reply Quote 0
          • Davundefined
            Dav
            last edited by

            Ok change my config.h

            ; Endstops
            M574 Z0 S0 ; set active low and disabled endstops
            M574 X1 Y1 S3 ; set endstops controlled by motor stall detection

            ; Z-Probe
            M558 P0 H5 F120 T6000 ; disable Z probe but set dive height, probe speed and travel speed
            M557 X15:215 Y15:195 S20 ; define mesh grid

            I don't know how to setup my homez and bed to manual mesh, who can help me?

            1 Reply Last reply Reply Quote 0
            • Vetiundefined
              Veti
              last edited by

              what happends if you issue G30 or G29.

              it should come up with instructions on what to do.

              Davundefined 1 Reply Last reply Reply Quote 0
              • Davundefined
                Dav @Veti
                last edited by

                @Veti If I send G30 first I need to home x and y after a popup appear but stay out of my bed and after I level and click ok all 3 axes going blue

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

                  You can simplify your homeZ to have a simple positioning of the nozzle to the point you want to probe with a G1 X Y move, and then a G30 to prompt to probe the bed.

                  https://duet3d.dozuki.com/Wiki/ConfiguringRepRapFirmwareCartesianPrinter#Section_Homing_Z_using_a_Z_probe

                  Z-Bot CoreXY Build | Thingiverse Profile

                  1 Reply Last reply Reply Quote 0
                  • Davundefined
                    Dav
                    last edited by

                    Finally solved my problem, removed the sensor less on Z and put fisical endstop.
                    I bought a new original endstop and it works without problems!

                    Now I have a question, do you know if is possible to enable bltouch for autolevel and 2 endstop for the home? I have double motor and sometimes I move my bed a little and is not perfect height.

                    Thanks

                    1 Reply Last reply Reply Quote 0
                    • Vetiundefined
                      Veti
                      last edited by

                      are you walking about something like this?
                      https://duet3d.dozuki.com/Wiki/Bed_levelling_using_multiple_independent_Z_motors

                      1 Reply Last reply Reply Quote 1
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