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    Bl-Touch self extended

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    • Heartleander81undefined
      Heartleander81
      last edited by

      I have copy with my smartphone. šŸ˜…

      But I think now my bl-touch is damaged. I have make a g32 and the bed drive in the nozzel. Bl-touch was red but nothing stop

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      • Vetiundefined
        Veti
        last edited by

        check the extension wire, that is know to make bad contact and cause issues.

        Heartleander81undefined 1 Reply Last reply Reply Quote 0
        • Heartleander81undefined
          Heartleander81
          last edited by Heartleander81

          Have make new connections last week bevor i have it install in the HevORT

          20201216_111916.jpg

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          • Heartleander81undefined
            Heartleander81 @Veti
            last edited by

            @Veti

            Found the bug. It was due to the contact resistance at the on-board connection. I thank you for the help and patience

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            • Heartleander81undefined
              Heartleander81
              last edited by

              ok now i'm confused. Since I no longer trusted the old Bl-touch, I installed a new one. It's the same problem that it just goes in and out without me triggering it. The connection on the board is new. That happens when you print or afterwards. If I had the printer off, that didn't happen for days.

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              • Heartleander81undefined
                Heartleander81
                last edited by

                The Bl-Touch doesn't seem to be the problem, nor does the wiring. If the pin is inside or outside, DCW says "not stopped" When I have the BL-Touch off, the board tells me "at min stop" I measure 4-10mV at pin outside with pin inside 3.3V on the white cable to ground

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                • Phaedruxundefined
                  Phaedrux Moderator
                  last edited by

                  Please post your full config.g and homeall.g as well as the results of M98 P"config.g"

                  Z-Bot CoreXY Build | Thingiverse Profile

                  Heartleander81undefined 1 Reply Last reply Reply Quote 0
                  • Heartleander81undefined
                    Heartleander81
                    last edited by

                    ; Configuration file for Duet 3 (firmware version 3)
                    ; executed by the firmware on start-up
                    ;
                    ; generated by RepRapFirmware Configuration Tool v3.1.4 on Wed Aug 26 2020 16:14:58 GMT+0200 (MitteleuropƤische Sommerzeit)
                    
                    ; General preferences
                    G90                                                ; send absolute coordinates...
                    M83                                                ; ...but relative extruder moves
                    M550 P"Duet3"                                      ; set printer name
                    M912 P0 S-5                                        ; sstzt CPU Temp korrektur
                    
                    
                    M669 K1                                            ;switch to core X/Y mode
                    
                    ; Drives
                    M569 P0.0 S0 V30 D3                                ; X physical drive 0.0 goes forwards
                    M569 P0.1 S0 V30 D3                                ; Y physical drive 0.1 goes forwards
                    M569 P0.2 S1 V30 D3                                ; Z1 physical drive 0.2 goes forwards
                    M569 P0.3 S1 V30 D3                                ; Z2 physical drive 0.3 goes forwards
                    M569 P0.4 S1 V30 D3                                ; Z3 physical drive 0.4 goes forwards
                    M569 P0.5 S0 V30 D3                                ; E physical drive 0.5 goes backwards
                    
                    M584 X0.0 Y0.1 Z0.2:0.3:0.4 E0.5                   ; set drive mapping
                    M350 X16 Y16 Z16 E16 I1                            ; configure microstepping with interpolation
                    M92 X80.00 Y80.00 Z800.00 E419.00                  ; set steps per mm
                    M566 X1000.00 Y1000.00 Z300.00 E120.00             ; set maximum instantaneous speed changes (mm/min)
                    M203 X18000.00 Y18000.00 Z600.00 E3000.00          ; set maximum speeds (mm/min)
                    M201 X500.00 Y500.00 Z200.00 E450.00               ; set accelerations (mm/s^2)
                    M906 X800 Y800 Z900 E800 I30                       ; set motor currents (mA) and motor idle factor in per cent
                    M84 S120                                           ; Set idle timeout
                    
                    ; Axis Limits
                    M208 X0 Y0 Z0 S1                                   ; set axis minima
                    M208 X300 Y300 Z295 S0                             ; set axis maxima
                    
                    ; Endstops
                    M574 X1 S1 P"io2.in"                               ; configure active-high endstop for low end on X via pin io2.in
                    M574 Y1 S1 P"io1.in"                               ; configure active-high endstop for low end on Y via pin io1.in
                    M574 Z1 S2
                    
                    ; Z-Probe
                    M950 S0 C"io7.out"                                          ; create servo pin 0 for BLTouch
                    M558 P9 C"^io7.in" H5 F400 T5000                            ; set Z probe type to bltouch and the dive height + speeds
                    G31 P500 X38.884 Y-6.578 Z2.21                              ; set Z probe trigger value, offset and trigger height
                    M557 X40:260 Y40:260 S40                                    ; define mesh grid
                    M671 X-33.985:142.224:318.433 Y-16.206:312.004:-16.206 S50  ;Z lift Point Position
                    
                    ; Heaters
                    M308 S0 A"Bett" P"temp0" Y"thermistor" T100000 B4100       ; configure sensor 0 as thermistor on pin temp0
                    M950 H0 C"out0" T0                                         ; create bed heater output on out0 and map it to sensor 0
                    M307 H0 A176.1 C1192.2 D31.2 S1.0 V24.3 B0                 ; disable bang-bang mode for the bed heater and set PWM limit
                    M140 H0                                                    ; qmap heated bed to heater 0
                    M143 H0 S120                                               ; set temperature limit for heater 0 to 120C
                    M308 S1 A"Hotend" P"temp1" Y"thermistor" T100000 B4395     ; configure sensor 1 as thermistor on pin temp1
                    M950 H1 C"out1" T1                                         ; create nozzle heater output on out1 and map it to sensor 1
                    M307 H1 B0 S0.80                                           ; disable bang-bang mode for heater  and set PWM limit
                    M308 S2 A"Elektro" P"temp3" Y"thermistor" T100000 B4100    ; configure sensor 1 as thermistor on pin temp1
                    M141 H2
                    M308 S3 Y"drivers" A"Stepper"  ; configure sensor 3 as temperature warning and overheat flags on the TMC2660 on Duet
                    M308 S4 Y"mcu-temp" A"MCU" ; configure sensor 4 as thermistor on pin e1temp
                    
                    ; Fans
                    M950 F1 C"out7" Q500                               ; create fan 1 on pin out7 and set its frequency
                    M106 P1 C"Hotend" S1 H1 T50                        ; set fan 1 name and value. Thermostatic control is turned on
                    M950 F0 C"out4" Q1000                              ; create fan 0 on pin out4 and set its frequency
                    M106 P0 C"Bauteil1" S0 H-1                         ; set fan 0 name and value. Thermostatic control is turned off
                    M950 F2 C"out9" Q500                               ; create Light on pin out9 and set its frequency
                    M106 P2 C"Licht" S0 H-1
                    M950 F3 C"out8" Q500                               ; create fan 3 on pin out8 and set its frequency                        
                    M106 P3 H3:4 T33                                   ; set fan 3 value
                    
                    ; Tools
                    M563 P0 S"Hotend" 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
                    M564 S1 H0
                    T0
                    
                    ; Miscellaneous
                    ;M575 P1 S1 B57600                                  ; enable support for PanelDue
                    M501                                               ; load saved parameters from non-volatile memory
                    M911 S21 R22 P"M913 X0 Y0 G91 M83 G1 Z3 E-5 F1000" ; set voltage thresholds and actions to run on power loss
                    
                    
                    
                    ; homeall file for use with dc42 Duet firmware on CoreXY printers
                    ; This file assumes the endstop switches are at the low end of each axis.
                    ; Reverse the X and Y movement for high-end switches.
                    ; Adjust the bed upper and lower limits in config.g (M208 commands) to get the correct homing positions
                    T0
                    G91                       ; relative mode
                    G1 Z5 F400
                    G1 H1 X-240 Y-240 F6000   ; course home X or Y
                    G1 H1 X-240               ; course home X
                    G1 H1 Y-240               ; course home Y
                    G1 X4 Y4 F6000             ; move away from the endstops
                    G1 H1 X-10                ; fine home X
                    G1 H1 Y-10                ; fine home Y
                    G90                       ; back to absolute mode
                    
                    ; The following code assumes you are using a Z probe to do Z homing.
                    ; Adjust the XY coordinates in the following to place the Z probe over a suitable spot,
                    ; preferably near the centre of the bed if your Z probe supports that
                    
                    G1 X112 Y156.8 F6000
                    G30
                    ; This file leaves the head at the zprobe trigger height so that you can slip a piece of paper under it and then do G0 Z0 to check the height.
                    ; If you prefer to send the printer to X0Y0Z0, un-comment the following lines
                    ;G1 X0 Y0 F6000
                    ;G1 Z5 F400
                    
                    
                    
                    M98 P"config.g"
                    Warning: M307: Heater 0 appears to be over-powered. If left on at full power, its temperature is predicted to reach 201C
                    Warning: M307: Heater 0 appears to be over-powered. If left on at full power, its temperature is predicted to reach 201C
                    
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                    • Heartleander81undefined
                      Heartleander81 @Phaedrux
                      last edited by Heartleander81

                      @Phaedrux ok I hope that help.

                      When I measure from ground to white I have 3.3V when retracted, <20mV when extended. DWC always says "not stopped"
                      If I measure 5V pin to ground I have 4.94V.

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                      • Heartleander81undefined
                        Heartleander81
                        last edited by Heartleander81

                        Startcode

                        T0 
                        G32 		                   ; True Bed Leveling und Meshbedleveling
                        G29 S1 P"heightmap.csv"         ; Load Mesh
                        G1 X5 Y5 Z15 F6000 	           ; Move the platform down 15mm 
                        ;M117 Prime the extruder 
                        G92 E0                         ; reset extruder
                        G1 E3 F200                     ; Extrude 3mm
                        ;M117 Purge Extruder 
                        G92 E0                         ; reset extruder 
                        G1 Z1 F1000 	               ; move z up to prevent scratching of surface 
                        G1 X10 Y10 Z0.3 F5000          ; move to start-line position 
                        G1 X10 Y200 E15 F1500          ; draw 1st line 
                        G1 X10.8 Y200 F5000            ; move to side a little 
                        G1 X11.6 Y2 E30 F1500          ; draw 2nd line 
                        G1 Z17 F3000                   ; Move Bed 17mm down
                        G1 E15 F300                    ; Extrude 15mm
                        G92 E0                         ; reset extruder
                        G4 S5                          ; Wait 5 second
                        
                        
                        

                        Endcode

                        M104 S0
                        M140 S0
                        M107
                        G92 E1
                        G1 E-1 F300						;Retract the filament
                        G1 X5 Y300 Z290 F6000
                        
                        BDubsundefined 1 Reply Last reply Reply Quote 0
                        • BDubsundefined
                          BDubs @Heartleander81
                          last edited by

                          @Heartleander81 I was just reading the BLT documentation the other day and it mentioned it being susceptible to noise from the hotbend heater wires (guessing 12/24v pwm stepping on the BLT 3.3/5v signal) Wondering if this is your issue...

                          Of course I can't find it now to link...

                          Heartleander81undefined 1 Reply Last reply Reply Quote 0
                          • Heartleander81undefined
                            Heartleander81 @BDubs
                            last edited by

                            @BDubs That would be an explanation. Was the fault on the board or was it from the cables? is the best way to shield the Bl-Touch?

                            BDubsundefined 1 Reply Last reply Reply Quote 0
                            • BDubsundefined
                              BDubs @Heartleander81
                              last edited by

                              @Heartleander81 said in Bl-Touch self extended:

                              @BDubs That would be an explanation. Was the fault on the board or was it from the cables? is the best way to shield the Bl-Touch?

                              Still can't find it...arrg...

                              They mentioned turning off the nozzle heater (to effectively kill the PWM signal) when probing to prevent it from being susceptible to noise.

                              In terms of shielding, I'd try using shielded cable and be sure to properly connect the ground/drain to your chassis in such a way as to avoid a ground loop.

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                              • Phaedruxundefined
                                Phaedrux Moderator
                                last edited by

                                M558 B1 will turn off the heaters during the probing move.

                                https://duet3d.dozuki.com/Wiki/Gcode?revisionid=HEAD#Section_M558_Set_Z_probe_type

                                @Heartleander81 said in Bl-Touch self extended:

                                DWC always says "not stopped"

                                Where are you seeing not stopped?
                                How are you testing the BLTouch?

                                If you send M401 and M402 does the pin deploy and retract?
                                If you send G30 does the pin deploy and start to move the z axis?
                                Does triggering the pin by hand stop movement?

                                Z-Bot CoreXY Build | Thingiverse Profile

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                                • Heartleander81undefined
                                  Heartleander81 @Phaedrux
                                  last edited by

                                  @Heartleander81 said in Bl-Touch self extended:

                                  DWC always says "not stopped"

                                  Where are you seeing not stopped?
                                  How are you testing the BLTouch?

                                  If you send M401 and M402 does the pin deploy and retract?
                                  If you send G30 does the pin deploy and start to move the z axis?
                                  Does triggering the pin by hand stop movement?

                                  On the DWC ore with M119 Z not stopped and Z-Probe not stopped

                                  M401 and M402 do the deploy and retract.
                                  G30 do it all. Deploy and start when i push the pin axes stop.

                                  But why deploy the pin when I print ore after print deploy and retract from self?

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                                  • Phaedruxundefined
                                    Phaedrux Moderator
                                    last edited by

                                    Ok, so the BLTouch is otherwise working correctly, it's just occasionally deploying the pin when it doesn't?

                                    Interference on the servo wire could be possible. Can you separate the BLtouch wires from the rest in the bundle?

                                    Z-Bot CoreXY Build | Thingiverse Profile

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                                    • Heartleander81undefined
                                      Heartleander81 @Phaedrux
                                      last edited by

                                      @Phaedrux I can test it. But take some time. 2-4h. When my child is go to bed, i have more time.

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                                      • Heartleander81undefined
                                        Heartleander81 @Phaedrux
                                        last edited by

                                        @Phaedrux
                                        First print and the pin doun't come out. I think that was it.

                                        20201221_075845.jpg

                                        Phaedruxundefined 1 Reply Last reply Reply Quote 0
                                        • Phaedruxundefined
                                          Phaedrux Moderator @Heartleander81
                                          last edited by

                                          @Heartleander81 said in Bl-Touch self extended:

                                          I think that was it.

                                          So it's working now?

                                          Z-Bot CoreXY Build | Thingiverse Profile

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