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Induction probe false triggering

Scheduled Pinned Locked Moved
Duet Hardware and wiring
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  • undefined
    bubblevisor
    last edited by 14 Nov 2022, 17:51

    ; Configuration file for Duet WiFi (firmware version 2.03)
    ; executed by the firmware on start-up
    ;
    ; generated by RepRapFirmware Configuration Tool v3.2.3 on Tue Jul 20 2021 13:11:51 GMT+0100 (British Summer Time)

    ; General preferences
    G90 ; send absolute coordinates...
    M83 ; ...but relative extruder moves
    M550 P"Saphire" ; set printer name
    M669 K1 ; 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 D2 ; physical drive 0 goes forwards
    M569 P4 S1 D2 ; physical drive 4 goes forwards
    M569 P2 S0 D2 ; physical drive 2 goes forwards
    M569 P3 S0 D2 ; physical drive 3 goes forwards
    M569 P1 S0 D2
    M584 X0 Y4 Z1:2 E3 ; set drive mapping

    M350 X128 Y128 Z128 E16 I0 ; configure microstepping without interpolation
    M92 X640.00 Y640.00 Z6400.00:6400.00 E669.00 ; set steps per mm
    M566 X1000.00 Y1000.00 Z100:100 E520.00 P1 ; set maximum instantaneous speed changes (mm/min)
    M203 X20000.00 Y20000.00 Z800.00:800.00 E70000.00 ; set maximum speeds (mm/min)
    M201 X20000.00 Y20000.00 Z200.00:200.00 E4000.00 ; set accelerations (mm/s^2)
    M906 X1100 Y1100 Z1300 E850 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 Y299 Z340 S0 ; set axis maxima
    ;M556 S100 X0 Y0 Z0:0:0 ; set skew x.xxmm on 100mm square x-y obtuse

    ; Endstops
    M574 X1 S1 P"xstop" ; configure active-high endstop for low end on X via pin !xstop
    M574 Y1 S1 P"ystop" ; configure active-high endstop for low end on Y via pin !ystop
    M574 Z0 P"nil" ; No Z endstop

    ; Z-Probe
    M558 K0 P5 C"^zprobe.in" H2 F1000 T6000 A20 S0.01 ; set Z probe type to effector and the dive height + speeds, max number of probes per point, tolerance(MM)
    ;M308 S2 P"e1temp" A"PINDA" Y"thermistor" T100000 B3950 ; configure sensor 2 as thermistor on pin e1temp
    G31 K0 P1000 X-34.5 Y-13 Z0.18 ;H2 S27 T0.020 ; set Z probe trigger value, xy offset, z trigger height(higher=closer to bed)don't care, temp sensor number, reference temp, compensation coefficient mm/degree(higher more close when hot)

    ;Bed Levelling
    M671 X4:233 Y170:170 S25 ;leadscrew/pivot locations and max allowable deviation
    M557 X10:265 Y5:270 P6:6 ; define mesh grid

    ; Z Tool Length probe
    M558 K1 P5 C"^zstop" T8000 F600 H2 A10 S0.01 R0.2 ;set second (K1) Z probe: pin in, travel speed to probe, probing speed, dive height, max number of probes, tolerance(MM), rest time
    G31 K1 P500 X0 Y0 Z0.75 ;set second (K1) Z probe: trigger value (higher value = closer nozzle)

    ; Heaters
    M308 S0 P"bedtemp" Y"thermistor" T100000 B3950 ; configure sensor 0 as thermistor on pin bedtemp
    M950 H0 C"bedheat" T0 ; create bed heater output on bedheat and map it to sensor 0
    M307 H0 B0 R1.028 C177.2 D6.82 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"e0temp" Y"thermistor" T100000 B3950 ; configure sensor 1 as thermistor on pin e0temp
    M950 H1 C"e0heat" T1 ; create nozzle heater output on e0heat and map it to sensor 1
    M307 H1 B0 R2.373 C103.0 D8.21 S1.00 V24.2 ; disable bang-bang mode for heater and set PWM limit
    M143 H1 S280 ; set temperature limit for heater 1 to 280C

    M308 S3 A"Chamber" P"exp.thermistor3" Y"thermistor" T100000 B3950 ; configure sensor 3 as "thermistor" type on pin "thermistor3" (Henry added for chamber monitoring)

    ; Fans
    M950 F0 C"fan0" Q500 ; create fan 0 on pin fan0 and set its frequency
    M106 P0 S0 H-1 C"Part cooling fan" ; set fan 0 value. Thermostatic control is turned off
    M950 F1 C"fan1" Q500 ; create fan 1 on pin fan1 and set its frequency
    M106 P1 S1 H1 T85 C"Heat Break Fan" ; set fan 1 value. Thermostatic control is turned on
    M950 F2 C"fan2" Q500 ; create fan 2 on pin fan2 and set its frequency (Henry add chamber fan)
    M106 P2 S0 H-1 C"Chamber fan" ; set fan 0 value. Thermostatic control is turned off

    ;LED Lights
    M950 P0 C"e1heat"
    M42 P0 C"LEDs"

    ; Tools
    M563 P0 S"Dragon" D0 H1 F0:1 ; 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 S21 R22 P"M913 X0 Y0 G91 M83 G1 Z3 E-5 F1000" ; set voltage thresholds and actions to run on power loss
    T0 ; select first tool

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    • undefined
      bubblevisor
      last edited by 14 Nov 2022, 18:42

      Here's the homez.g

      ; homez.g
      ; called to home the Z axis
      ;
      ; generated by RepRapFirmware Configuration Tool v3.2.3 on Tue Jul 20 2021 13:11:51 GMT+0100 (British Summer Time)
      ;G91 ; relative positioning
      ;G1 H2 Z5 F6000 ; lift Z relative to current position
      ;G90 ; absolute positioning

      M98 P"go to z-switch.g"
      G30 K1 Z-999 ; home Z by probing the bed via K1
      G1 Z5 F2000 ;lift z

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      • undefined
        bubblevisor
        last edited by 15 Nov 2022, 18:42

        Btw, the board is a duet 2 wifi.

        1 Reply Last reply Reply Quote 0
        • undefined
          bubblevisor @dc42
          last edited by 16 Nov 2022, 20:45

          @dc42 Could my issue be a board fault? The printer now is completely non responsive to the tool length probe micro switch (that also doubles as Z endstop). Instead it now z end stops via the induction probe. All without me touching the config!. Can this be a board/firmware fault??

          1 Reply Last reply Reply Quote 0
          • undefined
            Phaedrux Moderator
            last edited by 18 Nov 2022, 21:08

            Can you post the rest of your macros?

            @bubblevisor said in Induction probe false triggering:

            but lately there have been increasing intermittent issues with the z induction probe "not triggering" or "triggering before move" errors.

            This still sounds like interference. Did you investigate turning the fan off during probing?

            Z-Bot CoreXY Build | Thingiverse Profile

            undefined 1 Reply Last reply 19 Nov 2022, 20:17 Reply Quote 0
            • undefined
              bubblevisor
              last edited by bubblevisor 19 Nov 2022, 20:07

              config.g homeall.g homez.g bed.g

              1 Reply Last reply Reply Quote 0
              • undefined
                bubblevisor @Phaedrux
                last edited by 19 Nov 2022, 20:17

                @Phaedrux Well, the problem exists even with the fan off. Plus I have moved the probe into a location that should not receive interference from the fan.

                The weird thing is I cannot get the printer to react to the tool length probe anymore. This is despite the fact that the z-stop led responds when I press the micro switch.

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                • undefined
                  Phaedrux Moderator
                  last edited by 20 Nov 2022, 05:01

                  M92 X640.00 Y640.00 Z6400.00:6400.00 E669.00 ; set steps per mm
                  M566 X1000.00 Y1000.00 Z100:100 E520.00 P1 ; set maximum instantaneous speed changes (mm/min)
                  M203 X20000.00 Y20000.00 Z800.00:800.00 E70000.00 ; set maximum speeds (mm/min)
                  M201 X20000.00 Y20000.00 Z200.00:200.00 E4000.00 ; set accelerations (mm/s^2)

                  You only need a single value for the Z axis. Remove the duplicates. Multiple values are only required for extruders.

                  M574 Z0 P"nil" ; No Z endstop This is unnecessary and can be removed. Using nil is only required if you need to clear a previously assigned pin. After 3.0 there are no default assignments.

                  What is in the macro "go to z-switch.g"?

                  ;First pass
                  M558 H10
                  G30 K0 P0 X265 Y150 Z-99999 ; probe near left leadscrew
                  G30 K0 P1 X10 Y150 Z-99999 S2 ; probe near right leadscrew and calibrate 2 motors
                  ;Second Pass
                  M558 H5
                  G30 K0 P0 X10 Y150 Z-99999 ; probe near a leadscrew, half way along Y axis
                  G30 K0 P1 X265 Y150 Z-99999 S2 ; probe near a leadscrew and calibrate 2 motors
                  ;Third Pass
                  M558 H2
                  G30 K0 P0 X265 Y150 Z-99999 ; probe near a leadscrew, half way along Y axis
                  G30 K0 P1 X10 Y150 Z-99999 S2 ; probe near a leadscrew and calibrate 2 motors

                  In your bed.g you may have a problem with the way you are using M558. Since you have multiple probes you must always use K# to tell the firmware which probe you're trying to address.

                  Z-Bot CoreXY Build | Thingiverse Profile

                  undefined 1 Reply Last reply 20 Nov 2022, 23:09 Reply Quote 0
                  • undefined
                    bubblevisor
                    last edited by 20 Nov 2022, 21:50

                    go to z-switch.g

                    1 Reply Last reply Reply Quote 0
                    • undefined
                      bubblevisor @Phaedrux
                      last edited by 20 Nov 2022, 23:09

                      @Phaedrux Do you mean I need to fully define M558 in the bed.g as well as in config.g? such as M558 K0 P5 C"^zprobe.in" H10 F1000 T6000 A20 S0.01

                      THe other point to make is that the printer IS responding fine to the induction K0 probe just fine, but ignoring K1 tool length in favour of the induction probe during homeZ.

                      undefined 1 Reply Last reply 21 Nov 2022, 04:11 Reply Quote 0
                      • undefined
                        Phaedrux Moderator @bubblevisor
                        last edited by 21 Nov 2022, 04:11

                        @bubblevisor said in Induction probe false triggering:

                        Do you mean I need to fully define M558 in the bed.g as well as in config.g? such as M558 K0 P5 C"^zprobe.in" H10 F1000 T6000 A20 S0.01

                        No, not the full M558, but you would need to include the K0 or K1 in addition to the parameter you wanted to change.

                        Z-Bot CoreXY Build | Thingiverse Profile

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