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    Ender 3 RRF v1.1 setting up BLtouch

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    Tuning and tweaking
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    • Gixxerfastundefined
      Gixxerfast @re_tour
      last edited by

      @re_tour

      In your config.g, do you have something like this:

      M950 S0 C"io2.out"                                       ;<-- Servo pin
      M558 P9 C"io2.in" H5 F300:120 A3 T6000 ;<-- Sensor pin  
      G31 P500 X37.1 Y9.25 Z4.370                      ; set Z probe trigger value, offset and trigger height
      
      

      I don't know what the pins are called in RRF when you have a non duet board, are they just PB0 and PC5 or are they "translated" ?

      Voron V2.4 (#1317) with Duet 3 Mini5+ Wifi and 1LC v1.1 Toolboard
      Voron V0.1 (#637) with Duet 3 Mini 5+ Wifi and 1LC v1.2 Toolboard
      Ender 3 Pro with BTT SKR-2 + RRF

      1 Reply Last reply Reply Quote 1
      • Gixxerfastundefined
        Gixxerfast @re_tour
        last edited by Gixxerfast

        @re_tour

        OK, should be like this as far as I can see:

        M950 S0 C"servo0"                                       ;<-- Servo pin
        M558 P9 C"^probe" H5 F300:120 A3 T6000 ;<-- Sensor pin  
        G31 P500 X37.1 Y9.25 Z4.370                      ; set Z probe trigger value, offset and trigger height
         
        

        Then you should have a file in the sys folder called deployprobe.g:

        M280 P0 S10 ; deploy BLTouch
        

        And another file called retractprobe.g:

        M280 P0 S90 ; retract BLTouch
        

        I don't know if you've seen this but TeamGloomy got a lot of documentation for the STM and LPC based boards:
        https://teamgloomy.github.io/skr_rrf_e3_general.html

        Voron V2.4 (#1317) with Duet 3 Mini5+ Wifi and 1LC v1.1 Toolboard
        Voron V0.1 (#637) with Duet 3 Mini 5+ Wifi and 1LC v1.2 Toolboard
        Ender 3 Pro with BTT SKR-2 + RRF

        re_tourundefined 1 Reply Last reply Reply Quote 1
        • re_tourundefined
          re_tour @Gixxerfast
          last edited by

          @gixxerfast
          I have this in my config.g:

          ; Z-Probe
          M950 S0 C"servo0"                              ; create servo pin 0 for BLTouch
          M558 P9 C"^probe" H5 F120 T6000                ; set Z probe type to bltouch and the dive height + speeds
          G31 P500 X117.5 Y117.5 Z2.5                            ; set Z probe trigger value, offset and trigger height
          M557 X15:215 Y15:195 S20                       ; define mesh grid
          

          deployprobe.g looks like this:

          ; deployprobe.g
          ; called to deploy a physical Z probe
          ;
          ; generated by RepRapFirmware Configuration Tool v3.3.1-LPC-STM32+2 on Tue Dec 28 2021 01:07:55 GMT+0100
          M280 P0 S10 ; deploy BLTouch
          

          and retractprobe.g like this:

          ; retractprobe.g
          ; called to retract a physical Z probe
          ;
          ; generated by RepRapFirmware Configuration Tool v3.3.1-LPC-STM32+2 on Tue Dec 28 2021 01:07:55 GMT+0100
          M280 P0 S90 ; retract BLTouch
          

          Creality Ender 3 | BIGTREETECH E3 RRF V1.1 Wifi | BLTouch | RepRap 3.3.0_11

          Gixxerfastundefined 1 Reply Last reply Reply Quote 0
          • Gixxerfastundefined
            Gixxerfast @re_tour
            last edited by Gixxerfast

            @re_tour So if you do a manual G30 it deploys and probes?

            Or if you just try this: M280 P0 S10 manually

            ?

            Voron V2.4 (#1317) with Duet 3 Mini5+ Wifi and 1LC v1.1 Toolboard
            Voron V0.1 (#637) with Duet 3 Mini 5+ Wifi and 1LC v1.2 Toolboard
            Ender 3 Pro with BTT SKR-2 + RRF

            re_tourundefined 1 Reply Last reply Reply Quote 1
            • re_tourundefined
              re_tour @Gixxerfast
              last edited by

              @gixxerfast well it ejected the probe and now its flashing red.

              Creality Ender 3 | BIGTREETECH E3 RRF V1.1 Wifi | BLTouch | RepRap 3.3.0_11

              Gixxerfastundefined 1 Reply Last reply Reply Quote 0
              • Gixxerfastundefined
                Gixxerfast @re_tour
                last edited by

                @re_tour When you did what?

                Voron V2.4 (#1317) with Duet 3 Mini5+ Wifi and 1LC v1.1 Toolboard
                Voron V0.1 (#637) with Duet 3 Mini 5+ Wifi and 1LC v1.2 Toolboard
                Ender 3 Pro with BTT SKR-2 + RRF

                re_tourundefined 1 Reply Last reply Reply Quote 1
                • re_tourundefined
                  re_tour @Gixxerfast
                  last edited by

                  @gixxerfast sent M280 P0 S10 in the console to the printer

                  Creality Ender 3 | BIGTREETECH E3 RRF V1.1 Wifi | BLTouch | RepRap 3.3.0_11

                  Gixxerfastundefined 1 Reply Last reply Reply Quote 0
                  • Gixxerfastundefined
                    Gixxerfast @re_tour
                    last edited by

                    @re_tour OK, should not flash. Did it have room (in z) to fully deploy without hitting the bed?

                    Voron V2.4 (#1317) with Duet 3 Mini5+ Wifi and 1LC v1.1 Toolboard
                    Voron V0.1 (#637) with Duet 3 Mini 5+ Wifi and 1LC v1.2 Toolboard
                    Ender 3 Pro with BTT SKR-2 + RRF

                    re_tourundefined 2 Replies Last reply Reply Quote 1
                    • re_tourundefined
                      re_tour @Gixxerfast
                      last edited by

                      @gixxerfast Not really

                      Creality Ender 3 | BIGTREETECH E3 RRF V1.1 Wifi | BLTouch | RepRap 3.3.0_11

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                      • re_tourundefined
                        re_tour @Gixxerfast
                        last edited by re_tour

                        @gixxerfast okay so I raised the head and tried again, now the probe is extended and the red led is not on at all.
                        Sent out the M280 P0 S90 command, now the pin went back to its place and the red LED glows constantly.

                        Creality Ender 3 | BIGTREETECH E3 RRF V1.1 Wifi | BLTouch | RepRap 3.3.0_11

                        Gixxerfastundefined 1 Reply Last reply Reply Quote 0
                        • Gixxerfastundefined
                          Gixxerfast @re_tour
                          last edited by Gixxerfast

                          @re_tour Good, then that works.

                          EDIT: Not needed as you did it above ^ Retract the probe with

                          M280 P0 S90
                          

                          Then when the probe is above the bed, do a

                          G30
                          

                          Voron V2.4 (#1317) with Duet 3 Mini5+ Wifi and 1LC v1.1 Toolboard
                          Voron V0.1 (#637) with Duet 3 Mini 5+ Wifi and 1LC v1.2 Toolboard
                          Ender 3 Pro with BTT SKR-2 + RRF

                          re_tourundefined 1 Reply Last reply Reply Quote 1
                          • re_tourundefined
                            re_tour @Gixxerfast
                            last edited by

                            @gixxerfast After doing a G30 the probe extended, the head started going down on the Z axis very slowly until the probe pin reached the bed, when that happened it retracted the probe and the whole rig went up a bit faster.

                            Creality Ender 3 | BIGTREETECH E3 RRF V1.1 Wifi | BLTouch | RepRap 3.3.0_11

                            Gixxerfastundefined 1 Reply Last reply Reply Quote 0
                            • Gixxerfastundefined
                              Gixxerfast @re_tour
                              last edited by Gixxerfast

                              @re_tour Great. Then all works as it should and what you now want is to configure your homez.g and your homeall.g

                              Look here for examples of that:
                              https://teamgloomy.github.io/skr_rrf_e3_bltouch.html

                              Just make sure to modify the x and y coordinates so that you probe wherever you want. (middle of the bed)

                              I am now assuming you have working homex.g and homey.g in your /sys directory

                              Voron V2.4 (#1317) with Duet 3 Mini5+ Wifi and 1LC v1.1 Toolboard
                              Voron V0.1 (#637) with Duet 3 Mini 5+ Wifi and 1LC v1.2 Toolboard
                              Ender 3 Pro with BTT SKR-2 + RRF

                              re_tourundefined 1 Reply Last reply Reply Quote 1
                              • re_tourundefined
                                re_tour @Gixxerfast
                                last edited by

                                @gixxerfast Yeah, about that, I already did that.😁
                                Here's my homez.g:

                                ; ################# Home Z Preparation ################
                                
                                G91 															; Relative mode
                                G1 H2 Z5 F6000													; Lower the bed
                                G90																; Back to absolute positioning
                                G1 X117.5 Y117.5 F10000 		 								; Move to the center of the bed. Adjust to the co-ordinates required for the centre of your bed
                                
                                ; ################# Home Z Preparation ################
                                
                                M558 F250 				 										; Set the probing speed
                                G30					 											; Probe a single point
                                M558 F30 				 										; Set a slower probing speed
                                G30					 											; Probe a single point
                                

                                and my homeall.g:

                                ; homeall.g
                                ; called to home all axes
                                ;
                                ; generated by RepRapFirmware Configuration Tool v3.3.1-LPC-STM32+2 on Tue Dec 28 2021 01:07:55 GMT+0100 (közép-európai téli idő)
                                G91                     ; relative positioning
                                G1 H2 Z5 F6000          ; lift Z relative to current position
                                G1 H1 X-240 Y-240 F1800 ; move quickly to X and Y axis endstops and stop there (first pass)
                                G1 H2 X5 Y5 F6000       ; go back a few mm
                                G1 H1 X-240 Y-240 F360  ; move slowly to X and Y axis endstops once more (second pass)
                                G1 H1 Z-265 F360        ; move Z down stopping at the endstop
                                G90																; Back to absolute positioning
                                G1 X117.5 Y117.5 F10000 		 								; Move to the center of the bed. Adjust to the co-ordinates required for the centre of your bed
                                
                                ; Uncomment the following lines to lift Z after probing
                                ;G91                    ; relative positioning
                                ;G1 Z5 F100             ; lift Z relative to current position
                                ;G90                    ; absolute positioning
                                

                                Problem is I don't know what I did wrong. It could be the order or something.

                                Creality Ender 3 | BIGTREETECH E3 RRF V1.1 Wifi | BLTouch | RepRap 3.3.0_11

                                Gixxerfastundefined 1 Reply Last reply Reply Quote 0
                                • Gixxerfastundefined
                                  Gixxerfast @re_tour
                                  last edited by Gixxerfast

                                  @re_tour
                                  Your homeall.g is missing stuff but this is how I do it and it's not perfect and my Ender so modified now I don't really know what it is any longer but it should work fairly OK:

                                  homeall.g:

                                  ; homeall.g
                                  ; called to home all axes
                                  ;
                                  M98 P"/sys/homex.g"
                                  M98 P"/sys/homey.g"
                                  M98 P"/sys/homez.g"
                                  

                                  homex.g:

                                  ; homex.g
                                  ; called to home the X axis
                                  ;
                                  G91
                                  
                                  if !move.axes[1].homed
                                  	; raise Z a bit
                                  	G1 H2 Z5 
                                  
                                  G1 H2 Z5 F6000    ; lift Z relative to current position
                                  G1 H1 X-240 F3000 ; move quickly to X axis endstop and stop there (first pass)
                                  G1 H2 X5 F6000    ; go back a few mm
                                  G1 H1 X-240 F240  ; move slowly to X axis endstop once more (second pass)
                                  G90               ; absolute positioning
                                  
                                  

                                  homey.g:

                                  ; homey.g
                                  ; called to home the Y axis
                                  ;
                                  G91
                                  
                                  if !move.axes[0].homed
                                  	; raise Z a bit
                                  	G1 H2 Z5 
                                  	
                                  G1 H1 Y-240 F3000 ; move quickly to Y axis endstop and stop there (first pass)
                                  G1 H2 Y5 F6000    ; go back a few mm
                                  G1 H1 Y-240 F240  ; move slowly to Y axis endstop once more (second pass)
                                  G90               ; absolute positioning
                                  
                                  

                                  and finally homez.g

                                  ; homez.g
                                  ; called to home the Z axis
                                  
                                  ; do nothing if XY is not homed yet
                                  if !move.axes[0].homed || !move.axes[1].homed
                                      echo "XY are not homed yet. Aborting"
                                      abort
                                  ;end if
                                  
                                  G91
                                  G1 H2 Z5 F6000
                                  
                                  G90
                                  G1 X130 Y160 F6000
                                  
                                  G30 K0 Z-99999						    ; Probe the Z pin at the back
                                  
                                  G1 Z10 F9000
                                  
                                  

                                  Also you cab define two speed probeing with this in your config.g:

                                  M558 P9 C"io2.in" H5 F300:120 A3 T6000 ; See the F300:120 first speed 300 second 120
                                  

                                  When all this is done do a, in order, to test:

                                  g28 x
                                  g28 y
                                  g28 z
                                  g28
                                  

                                  Voron V2.4 (#1317) with Duet 3 Mini5+ Wifi and 1LC v1.1 Toolboard
                                  Voron V0.1 (#637) with Duet 3 Mini 5+ Wifi and 1LC v1.2 Toolboard
                                  Ender 3 Pro with BTT SKR-2 + RRF

                                  re_tourundefined 1 Reply Last reply Reply Quote 1
                                  • re_tourundefined
                                    re_tour @Gixxerfast
                                    last edited by

                                    @gixxerfast Okay, after doing everything, during the testing all axises find their homes and the Z homing does 3 probing and then stays in place, in the middle. bltouch red led is on constantly.

                                    Creality Ender 3 | BIGTREETECH E3 RRF V1.1 Wifi | BLTouch | RepRap 3.3.0_11

                                    Gixxerfastundefined 1 Reply Last reply Reply Quote 0
                                    • Gixxerfastundefined
                                      Gixxerfast @re_tour
                                      last edited by Gixxerfast

                                      @re_tour Good, then all works as expected.

                                      What you want to do now is calibrate your Z offset.

                                      I usually do the paper friction thing and just home z and then lower it slowly by G1 Z-0.2 (DON'T FORGET THE G91 before that) (or less) until it's right. Then I adjust the offset in the G31 in config.g

                                      Voron V2.4 (#1317) with Duet 3 Mini5+ Wifi and 1LC v1.1 Toolboard
                                      Voron V0.1 (#637) with Duet 3 Mini 5+ Wifi and 1LC v1.2 Toolboard
                                      Ender 3 Pro with BTT SKR-2 + RRF

                                      re_tourundefined 1 Reply Last reply Reply Quote 1
                                      • re_tourundefined
                                        re_tour @Gixxerfast
                                        last edited by

                                        @gixxerfast said in Ender 3 RRF v1.1 setting up BLtouch:

                                        by G1 Z-0.2 (DON'T FORGET THE G91 before that)

                                        So like

                                        G1 Z-0.2
                                        *axis moves*
                                        G91
                                        G1 Z-0.2
                                        *axis moves*
                                        G91
                                        G1 Z-0.2
                                        

                                        this?

                                        Creality Ender 3 | BIGTREETECH E3 RRF V1.1 Wifi | BLTouch | RepRap 3.3.0_11

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                                        • Gixxerfastundefined
                                          Gixxerfast @re_tour
                                          last edited by Gixxerfast

                                          @re_tour G91 set's RRF in realtive coordinates mode so you only need to do that once AFAIK. G90 sets it back to absolute coordinates mode.

                                          So it's like:

                                          G91
                                          G1 z-5
                                          G1 z-.2
                                          G1 Z-.1
                                          ... until you're happy
                                          then look at the Z offset in DWC (or some gcode command I don't remember right now) and remember it
                                          G90 
                                          

                                          Take it down until the nozzle touches the paper and you can feel the friction some when moving the paper. You may need to correct this when printing later but then you can baby step it up and down until it looks fine.

                                          I think you do almost the same in Marlin and Klipper. Maybe there's some automated method you can use in RRF but I don't know about it. 🙂

                                          Voron V2.4 (#1317) with Duet 3 Mini5+ Wifi and 1LC v1.1 Toolboard
                                          Voron V0.1 (#637) with Duet 3 Mini 5+ Wifi and 1LC v1.2 Toolboard
                                          Ender 3 Pro with BTT SKR-2 + RRF

                                          re_tourundefined 1 Reply Last reply Reply Quote 1
                                          • re_tourundefined
                                            re_tour @Gixxerfast
                                            last edited by

                                            @gixxerfast Okay, I have a new problem: despite my Z being at 0, there's still about 50-60mm space between the bed and the extruder tip.

                                            Creality Ender 3 | BIGTREETECH E3 RRF V1.1 Wifi | BLTouch | RepRap 3.3.0_11

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