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    Z-axis up without homing macro

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    • Phaedruxundefined
      Phaedrux Moderator
      last edited by

      Don't feel bad, I have to open the wiki almost every time just to double check. I've started to remember by thinking that absolute starts with A, so it comes before relative, so it's G90. 😀

      Z-Bot CoreXY Build | Thingiverse Profile

      mrehorstdmdundefined 1 Reply Last reply Reply Quote 0
      • mrehorstdmdundefined
        mrehorstdmd @Phaedrux
        last edited by

        @phaedrux I do feel bad- I was looking at the wiki when I wrote it. The error just didn't register...

        https://drmrehorst.blogspot.com/

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        • silver1882undefined
          silver1882 @Phaedrux
          last edited by

          Ok thanks I will give it a try as soon as my printer is done printing.

          fcwiltundefined silver1882undefined 2 Replies Last reply Reply Quote 0
          • fcwiltundefined
            fcwilt @silver1882
            last edited by

            @silver1882 said in Z-axis up without homing macro:

            Ok thanks I will give it a try as soon as my printer is done printing.

            Why do you have the M564 commands?

            If you are doing this during a print the printer must already be homed.

            Printers: a E3D MS/TC setup and a RatRig Hybrid. Using Duet 3 hardware running 3.4.6

            silver1882undefined 1 Reply Last reply Reply Quote 0
            • silver1882undefined
              silver1882 @silver1882
              last edited by

              I tested it and that works great thanks.

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              • silver1882undefined
                silver1882 @fcwilt
                last edited by

                If I am away from my house and I have to cancel the print because of a problem my printer is no longer homed. I just wanted to be able to raise the head so it doesn't cool down setting on the part.

                fcwiltundefined 1 Reply Last reply Reply Quote 0
                • fcwiltundefined
                  fcwilt @silver1882
                  last edited by

                  @silver1882 said in Z-axis up without homing macro:

                  If I am away from my house and I have to cancel the print because of a problem my printer is no longer homed. I just wanted to be able to raise the head so it doesn't cool down setting on the part.

                  Why do you think canceling a print un-homes the printer?

                  Printers: a E3D MS/TC setup and a RatRig Hybrid. Using Duet 3 hardware running 3.4.6

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                  • Phaedruxundefined
                    Phaedrux Moderator
                    last edited by

                    It would depend on what you have in cancel.g I think.

                    Z-Bot CoreXY Build | Thingiverse Profile

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                    • fcwiltundefined
                      fcwilt @Phaedrux
                      last edited by

                      @phaedrux said in Z-axis up without homing macro:

                      It would depend on what you have in cancel.g I think.

                      Well yes that certainly could happen.

                      Though why there would be something in the file to do that escapes me at the moment. I haven't found any reason to date to do something that would un-home the printer.

                      Curious.

                      Printers: a E3D MS/TC setup and a RatRig Hybrid. Using Duet 3 hardware running 3.4.6

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                      • Phaedruxundefined
                        Phaedrux Moderator
                        last edited by

                        For instance in my cancel.g I home XY and then turn the motors off.

                        Z-Bot CoreXY Build | Thingiverse Profile

                        fcwiltundefined 1 Reply Last reply Reply Quote 0
                        • fcwiltundefined
                          fcwilt @Phaedrux
                          last edited by

                          @phaedrux said in Z-axis up without homing macro:

                          For instance in my cancel.g I home XY and then turn the motors off.

                          Why do you turn the motors off?

                          For me most times a canceled print is quickly followed by another attempt after an appropriate change or two.

                          Frederick

                          Printers: a E3D MS/TC setup and a RatRig Hybrid. Using Duet 3 hardware running 3.4.6

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                          • Phaedruxundefined
                            Phaedrux Moderator
                            last edited by

                            I suppose just for noise. To start another print it would be re-homing anyway, and depending on why and when it was canceled it might be awhile before another attempt is made.

                            Z-Bot CoreXY Build | Thingiverse Profile

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                            • fcwiltundefined
                              fcwilt @Phaedrux
                              last edited by

                              @phaedrux said in Z-axis up without homing macro:

                              I suppose just for noise. To start another print it would be re-homing anyway, and depending on why and when it was canceled it might be awhile before another attempt is made.

                              Noise?

                              Do your steppers make noise when not moving?

                              Frederick

                              Printers: a E3D MS/TC setup and a RatRig Hybrid. Using Duet 3 hardware running 3.4.6

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                              • Phaedruxundefined
                                Phaedrux Moderator
                                last edited by Phaedrux

                                Yeah there's a slight hum/whine when energized. Nothing too offensive. When I was setting up the macros I figured why not power them off?

                                Z-Bot CoreXY Build | Thingiverse Profile

                                fcwiltundefined 1 Reply Last reply Reply Quote 1
                                • fcwiltundefined
                                  fcwilt @Phaedrux
                                  last edited by

                                  @phaedrux said in Z-axis up without homing macro:

                                  Yeah there's a slight hum/whine when energized. Nothing too offensive. When I was setting up the macros I figured why not power them off?

                                  Evidence that great minds don't always think alike.

                                  😉

                                  Frederick

                                  Printers: a E3D MS/TC setup and a RatRig Hybrid. Using Duet 3 hardware running 3.4.6

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                                  • Phaedruxundefined
                                    Phaedrux Moderator @fcwilt
                                    last edited by Phaedrux

                                    @fcwilt

                                    ; cancel.g
                                    ;
                                    ; Run when the print is paused, and then canceled.
                                    ;
                                    
                                    G10 P0 R0 S0		; Set hotend temp to 0
                                    M140 S0			; Set bed temp to 0
                                    M106 S255 		; Fan at 100 to cool nozzle and bed
                                    M220 S100		; Set speed factor back to 100% in case it was changed
                                    M221 S100		; Set extrusion factor back to 100% in case it was changed
                                    M290 R0 S0 ; clear babystepping
                                    M204 P1000 T4000	; Set printing and travel accelerations
                                    M566 X900 Y900 Z30 	; Set maximum instantaneous speed changes (mm/min) (Jerk)
                                    G28 XY			; home XY
                                    M98 P"0:/sys/CurrentsNormal.g" ; return motor currents to normal
                                    M98 P"0:/sys/ZSpeedsNormal.g" ; return Z axis speeds to normal
                                    M84			; turn off steppers
                                    G4 S60			; wait 1 minute for nozzle to cool
                                    M107			; turn off the fan
                                    M98 P"0:/macros/Musical Tunes/TwoBits.g" ; play a tune
                                    

                                    I suppose now with conditional gcode the homing at the start of a print could easily be made optional, so the logic of turning off the motors since I need to re-home anyway isn't as valid.

                                    Z-Bot CoreXY Build | Thingiverse Profile

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