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    Extrusion control with multiple extruders

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    • scaulierundefined
      scaulier
      last edited by

      Hi,
      I am trying to configure a dual extruder / dual heater / single carriage printer.
      On DWC heater control is ok, I am able to control each heaters individually, but not "Extrusion control". I can control one of the extruders, but not the other.
      What am I missing?

      Config.g:

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

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

      ; Drives
      M569 P0 S0 ; physical drive 0 goes forwards
      M569 P1 S1 ; physical drive 1 goes forwards
      M569 P2 S1 ; physical drive 2 goes backwards
      M569 P3 S1 ; physical drive 3 goes backwards
      M569 P4 S1 ; physical drive 4 goes forwards
      M584 X0 Y1 Z2 E3:4 ; set drive mapping
      M350 X16 Y16 Z16 E16:16 I1 ; configure microstepping with interpolation
      M92 X80.00 Y76.824 Z640.00 E690.00:690.00 ; set steps per mm
      M566 X900.00 Y900.00 Z840.00 E600.00:600.00 ; set maximum instantaneous speed changes (mm/min)
      M203 X9000.00 Y9000.00 Z900.00 E1200.00:1200.00 ; set maximum speeds (mm/min)
      M201 X500.00 Y500.00 Z10.00 E10000.00:1000.00 ; set accelerations (mm/s^2)
      M906 X1400 Y2000 Z2000 E850:850 I30 ; set motor currents (mA) and motor idle factor in per cent
      M84 S30 ; Set idle timeout

      ; Axis Limits
      M208 X000 Y0 Z0 S1 ; set axis minima
      M208 X500 Y500 Z450 S0 ; set axis maxima

      ; Endstops
      M574 X2 S1 P"!xstop" ; configure switch-type (e.g. microswitch) endstop for low end on X via pin !xstop
      M574 Y1 S1 P"!ystop" ; configure switch-type (e.g. microswitch) endstop for low end on Y via pin !ystop
      M574 Z1 S2 P"^zprobe.in" ; configure Z-probe endstop for low end on Z

      ; Z-Probe
      M558 P9 C"zprobe.in" H5 F120 T6000 ; set Z probe type to unmodulated and the dive height + speeds
      G31 X30 Y-3 Z2.75 P25 ; increase Z makes the head go lower
      M557 X30:490 Y30:490 S92:92 ; define mesh grid

      ; Heaters
      M140 H-1 ; disable heated bed (overrides default heater mapping)
      M308 S0 P"e0temp" Y"thermistor" T100000 B3950 ; configure sensor 0 as thermistor on pin e0temp
      M950 H0 C"e0heat" T0 ; create nozzle heater output on e0heat and map it to sensor 0
      M307 H0 B0 S1.00 ; disable bang-bang mode for heater and set PWM limit
      M143 H0 S280 ; set temperature limit for heater 0 to 280C
      M308 S1 P"e1temp" Y"thermistor" T100000 B3950 ; configure sensor 1 as thermistor on pin e1temp
      M950 H1 C"e1heat" T1 ; create nozzle heater output on e1heat and map it to sensor 1
      M307 H1 B0 S1.00 ; disable bang-bang mode for heater and set PWM limit
      M143 H1 S280 ; set temperature limit for heater 1 to 280C

      ; Fans
      M950 F0 C"fan0" Q500 ; create fan 0 on pin fan0 and set its frequency
      M106 P0 S1 H0 T45 ; set fan 0 value. Thermostatic control is turned on
      M950 F1 C"fan1" Q500 ; create fan 1 on pin fan1 and set its frequency
      M106 P1 S1 H1 T45 ; set fan 1 value. Thermostatic control is turned on
      M950 F2 C"fan2" Q500 ; create fan 2 on pin fan2 and set its frequency
      M106 P2 S1 H-1 ; set fan 2 value. Thermostatic control is turned off

      ; Tools
      M563 P0 D0 H0 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
      M563 P1 D1 H1 F1 ; define tool 1
      G10 P1 X0 Y0 Z0 ; set tool 1 axis offsets
      G10 P1 R0 S0 ; set initial tool 1 active and standby temperatures to 0C
      ; Custom settings

      ; Miscellaneous
      ;T0
      T1
      ; select first tool
      M911 S10 R11 P"M913 X0 Y0 G91 M83 G1 Z3 E-5 F1000" ; set voltage thresholds and actions to run on power loss

      T3P3Tonyundefined 1 Reply Last reply Reply Quote 0
      • T3P3Tonyundefined
        T3P3Tony administrators @scaulier
        last edited by

        @scaulier the extrusion control in DWC just controls the active tool, switch tools to control the other one. If you want to extrude from both at the same time then combine them into a single tool.

        www.duet3d.com

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