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    BLTouch Config.

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    Duet Hardware and wiring
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    • Vetiundefined
      Veti @Hélder Rocha
      last edited by

      @Hélder-Rocha said in BLTouch Config.:

      when i do the first probe, the nozzle gets agaist the bed

      do you mean it does not stop when its triggerd.
      or the nozzle hits the bed before its triggered?

      Hélder Rochaundefined 1 Reply Last reply Reply Quote 0
      • Hélder Rochaundefined
        Hélder Rocha @Veti
        last edited by

        @Veti i beleave it stops when triggered, and goes up for 5mm. At this moment the Z offset is marked with 1,90. So, after it makes the probe, Z ascend 5mm, in the panel i can check z height is 6,90 (5mm+1,90)... all good, but if i down it 5mm, it stops on Z 1,90, but against the bed. After slice a test cube, just to see if it runs ok, the nozzle does not get the 0,02 mm height i nead for the fisrt layer, because its touching the bed!! But Veti, i starded to download the new versions of firmware, i all strt over. Lets forget this for now. Different issues just appear. Ill open a different topic. Tks a lot for your help.

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        • Vetiundefined
          Veti
          last edited by

          @Hélder-Rocha said in BLTouch Config.:

          check z height is 6,90 (5mm+1,90)... all good, but if i down it 5mm, it stops on Z 1,90, but against the bed.

          this means that your trigger height is incorrect

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          • shubharora734undefined
            shubharora734
            last edited by

            I made all the steps that are on that link you sent and yes, i made also the map. Dont know hou to use it, but yes, i made it!

            Vetiundefined 1 Reply Last reply Reply Quote 0
            • Vetiundefined
              Veti @shubharora734
              last edited by Veti

              @shubharora734

              but if i down it 5mm, it stops on Z 1,90,

              so decrease your trigger height by 1,9

              Hélder Rochaundefined 1 Reply Last reply Reply Quote 0
              • Hélder Rochaundefined
                Hélder Rocha @Veti
                last edited by

                @Veti so, you suggest i put my offset in 0.0? But look Veti, i just started to update my firmware to 3.0 and found my first problems. If you care to help me on other topic i created in "firmaware instalation categories", ill be thankfull. many tanks

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

                  @Hélder-Rocha said in BLTouch Config.:

                  i just started to update my firmware to 3.0 a

                  please update to 3.2 there is no point in staying on 3.0

                  Hélder Rochaundefined 1 Reply Last reply Reply Quote 0
                  • Hélder Rochaundefined
                    Hélder Rocha @Veti
                    last edited by

                    @Veti all the surch i made, no one advices to go from 2.05 to 3,2 directly! The sugestion is to go first to 3.0, and then update to 3.1 or 3.2! I dont know nothing about this, just following the masters 🙂

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                    • Vetiundefined
                      Veti
                      last edited by

                      you have to go to 3.2 because you cant flash directly. that is why you need to go to 3.0 first.
                      there is no reason to stay on 3.0

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

                        How do you have the BLTouch installed? Can you post a photo?

                        When mounted correctly the base of the probe body should be ~8mm above the nozzle tip, which will result in a trigger height of ~2mm.

                        BLTouchZHeight.png

                        Z-Bot CoreXY Build | Thingiverse Profile

                        Hélder Rochaundefined 1 Reply Last reply Reply Quote 0
                        • Hélder Rochaundefined
                          Hélder Rocha @Phaedrux
                          last edited by

                          @Phaedrux Nice... realy dont know if i have it right, but i´ll keep this tip for later. After i crack my head with the firmware updates! Eh eh eh

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                          • Hélder Rochaundefined
                            Hélder Rocha
                            last edited by

                            Hi good people. My firmware is allready updated and working fine. Some others things ill have to do in the Macros i have but it stays for later. Now, about my Bltouch i have the follow problem. Independently off the value i put in G31, after the probe is done, the nozzle allways stays at 0,40 mm from the bed!!! I´ll show here my config file, for you ti check if is there anything missplaced.

                            Sorry, dont know how to use </>!

                            ; Configuration file for Duet WiFi (firmware version 3)
                            ; executed by the firmware on start-up
                            ;
                            ; generated by RepRapFirmware Configuration Tool v3.2.2 on Sun Jan 31 2021 16:45:04 GMT+0000 (Hora padrão da Europa Ocidental)

                            ; General preferences
                            G90 ; send absolute coordinates...
                            M83 ; ...but relative extruder moves
                            M550 P"DuetCR10" ; set printer name
                            M918 P1 E4 F2000000 ; configure direct-connect display

                            ; Network
                            M551 P"Stacus631" ; set password
                            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 backwards
                            M569 P1 S0 ; physical drive 1 goes backwards
                            M569 P2 S1 ; physical drive 2 goes forwards
                            M569 P3 S1 ; physical drive 3 goes forwards
                            M584 X0 Y1 Z2 E3 ; set drive mapping
                            M350 X16 Y16 Z16 E16 I1 ; configure microstepping with interpolation
                            M92 X80.00 Y80.00 Z400.00 E422.7 ; set steps per mm
                            M566 X1200.00 Y1200.00 Z24.00 E300.00 ; set maximum instantaneous speed changes (mm/min)
                            M203 X9000.00 Y9000.00 Z180.00 E6000.00 ; set maximum speeds (mm/min)
                            M201 X500.00 Y500.00 Z100.00 E5000.00 ; set accelerations (mm/s^2)
                            M906 X800 Y800 Z800 E1000 I50 ; 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 Z400 S0 ; set axis maxima

                            ; 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 Z1 S2 ; configure Z-probe endstop for low end on Z

                            ; Z-Probe
                            M950 S0 C"exp.heater3" ; create servo pin 0 for BLTouch
                            M558 P9 C"^zprobe.in" H5 F120 T6000 ; set Z probe type to bltouch and the dive height + speeds
                            G31 P500 X-40 Y-10 Z0 ; set Z probe trigger value, offset and trigger height
                            M557 X15:250 Y15:250 S20 ; define mesh grid

                            ; Heaters
                            M308 S0 P"bedtemp" Y"thermistor" T100000 B4700 ; 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 R0.457 C360.7 D3.84 S1.00 ; enable 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 150C
                            M308 S1 P"e0temp" Y"thermistor" T100000 B4092 ; 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 S1.00 ; disable bang-bang mode for heater and set PWM limit
                            M143 H1 S290 ; set temperature limit for heater 1 to 290C

                            ; Fans
                            M950 F0 C"fan0" Q500 ; create fan 0 on pin fan0 and set its frequency
                            M106 P0 S0 H-1 ; 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 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 H1:0 T45 ; set fan 2 value. Thermostatic control is turned on

                            ; 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

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                            • Vetiundefined
                              Veti
                              last edited by

                              @Hélder-Rocha said in BLTouch Config.:

                              M308 S0 P"bedtemp" Y"thermistor" T100000 B4700 ; configure sensor 0 as thermistor on pin bedtemp

                              this is wrong. you need to find the correct beta value.

                              G31 P500 X-40 Y-10 Z0 ; set Z probe trigger value, offset and trigger height

                              you have not put in your actual value. after changing this, you need to restart the duet.

                              Hélder Rochaundefined 1 Reply Last reply Reply Quote 0
                              • Hélder Rochaundefined
                                Hélder Rocha @Veti
                                last edited by

                                @Veti Hi, thank you for the reply.
                                In the first point you mention, how do i determine the beta value?

                                In the second point, yes, i know. I have allready stablish "z" with the value the DWC determinate after G30 S-. In fact, i´ve give it different vlues, seen the first time, it stys 0,40 above the bed. I tried to low the nozzle a litle, increasing the "Z" value, but it stays allways at 0,40... regardless the value i have on "Z"!

                                Hélder Rochaundefined 1 Reply Last reply Reply Quote 0
                                • Hélder Rochaundefined
                                  Hélder Rocha @Hélder Rocha
                                  last edited by

                                  @Hélder-Rocha "G30 S-1"

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                                  • Vetiundefined
                                    Veti
                                    last edited by

                                    so modify the G31 in the config and test the homing.

                                    Hélder Rochaundefined 1 Reply Last reply Reply Quote 0
                                    • Hélder Rochaundefined
                                      Hélder Rocha @Veti
                                      last edited by Hélder Rocha

                                      @Veti i have done it several times...i´ve defined Z to 0.23, the first value obtained with G30 S-1. After restart the duet, and do homing, the zozzle stoped 0,40 mm above the bed, but the Z value on the DWC is 0,23mm!
                                      After that, i encreased the Z value 10 by 10 to check if the nozzle wold get closer to the bed! But nothing, it stays at 0,40mm all the times.

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                                      • Hélder Rochaundefined
                                        Hélder Rocha
                                        last edited by

                                        the config you see, i have "Z" value at "0", because i put it to "0" before a leave my printer last night. I intent to restart the configuration today.

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                                        • Vetiundefined
                                          Veti
                                          last edited by

                                          post your homeall

                                          Hélder Rochaundefined 1 Reply Last reply Reply Quote 0
                                          • Hélder Rochaundefined
                                            Hélder Rocha @Veti
                                            last edited by

                                            @Veti can you tell me how to use the </>? I dont know how and i´ll like to do it correctly!

                                            Phaedruxundefined 1 Reply Last reply Reply Quote 0
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