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Help with setting up firmware for coreXY machine - unable to home.

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  • undefined
    cap
    last edited by 13 Sept 2016, 19:04

    Thankyou
    I see I got a lot to learn cart wait to start wading in
    P.s congratz on getting it working

    warning brain may explode

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    • undefined
      chrishamm administrators
      last edited by 13 Sept 2016, 20:08

      forgets, could you upload or send me the config.json file from your generated config bundle? I haven't been able to reproduce your problem where multiple interpolation lines would be generated.

      Duet software engineer

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      • undefined
        forgets
        last edited by 13 Sept 2016, 21:10

        Hey Chris scratch what I said, I was just looking it over and it's because I'd left interpolation on and off for certain drives like E0 and E1, so that's why it had multiple lines. My apologies, I hadn't looked it over very thoroughly before. By the way, while I have dc42's IR sensor I haven't wired it yet.. as far as I saw there's no way to opt out of Z-bed probing in the configurator, so I just commented out all the bed probing lines and adapted the homing instructions from X to Z. Is there currently a way to not select Z-Probing?

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        • undefined
          cap
          last edited by 7 Oct 2016, 11:12

          hi thought id add my problem here as it is very similar to the one above my ill get straight to the point and list the problems

          1. x moves when i tell y to move and my y axes move when i tell x to move

          2. if i tell x to move 50mm and i hit the end stop it dose not stop do not want to try a home until i know they stop are working
            M119 retruns this report
            Endstops - X: at min stop, Y: at max stop, Z: at min stop, Z probe: not stopped

          3. i do not have a z prode and the firmware programe is great but needs a off witch for z prob
            my Editing /sys/homeall.g file is below
            ; homeall.g
            ; called to home all axes
            ;
            ; generated by RepRapFirmware Configuration Tool on Fri Oct 07 2016 11:58:10 GMT+0100 (GMT Daylight Time)

          ; Relative positioning
          G91

          ; Lift Z
          G1 Z5 F6000

          ; Move towards X and Y axis endstops (first pass)
          G1 X-205 Y205 F1800 S1

          ; Go back a few mm
          G1 X5 Y-5 F6000

          ; Move slowly to axis endstops once more (second pass)
          G1 X-205 Y205 F360 S1

          ; Absolute positioning
          G90

          ; Go to first bed probe point and home the Z axis
          G1 X15 Y15 F6000
          G30

          ; Uncomment the following line to lift the nozzle after probing
          ;G1 Z5 F100

          thanks for any help please i am new to gcode commands so full explanations if you do not mind

          warning brain may explode

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          • undefined
            dc42 administrators
            last edited by 7 Oct 2016, 11:26

            Reverse the X motor direction by changing S0 to S1 or vice versa in config.g. This will swap the axes over. If they move in the wrong direction, reverse the Y motor direction instead.

            Duet WiFi hardware designer and firmware engineer
            Please do not ask me for Duet support via PM or email, use the forum
            http://www.escher3d.com, https://miscsolutions.wordpress.com

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            • undefined
              cap
              last edited by 7 Oct 2016, 11:38

              fantastic changed this bit of code and now that x and y work correctly
              M569 P0 S1 ; Drive 0 goes forwards
              to
              M569 P0 S0 ; Drive 0 goes forwards

              thankyou for the help any ideas about homing is it a case of changing the homeall flie

              warning brain may explode

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              • undefined
                dc42 administrators
                last edited by 7 Oct 2016, 14:12

                Are you using the homeall.g file from the sys-CoreXY folder in my repo? See also https://duet3d.com/wiki/Configuring_RepRapFirmware_for_a_CoreXY_printer#homeall.g_file.

                Duet WiFi hardware designer and firmware engineer
                Please do not ask me for Duet support via PM or email, use the forum
                http://www.escher3d.com, https://miscsolutions.wordpress.com

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                • undefined
                  cap
                  last edited by 10 Jul 2016, 14:26 7 Oct 2016, 14:23

                  hi my filing sys folders are a mess here all the folders i have

                  Size
                  bed.g 343 B
                  config.g 2.4 KiB
                  config.json 2.3 KiB
                  deployprobe.g 283 B
                  DuetWebControl.bin 3.0 MiB
                  DuetWiFiServer.bin 288.3 KiB
                  homeall.g 335 B
                  homedelta.g 644 B
                  homex.g 437 B
                  homey.g 436 B
                  homez.g 352 B
                  iap.bin 52.3 KiB
                  iap4e.bin 54.1 KiB
                  pause.g 239 B
                  resume.g 234 B
                  retractprobe.g 292 B
                  sleep.g 54 B
                  stop.g 86 B
                  tfree0.g 150 B
                  tpost0.g 210 B
                  tpre0.g 153 B
                  just removed homedelta.g
                  which to me dose not look right
                  my homeall.g look like this
                  G91 ; relative mode
                  G1 S1 X-200 Y-240 F3000 ; course home X or Y
                  G1 S1 X-200 ; course home X
                  G1 S1 Y-200 ; course home Y
                  G1 X4 Y4 F600 ; move away from the endstops
                  G1 S1 X-10 ; fine home X
                  G1 S1 Y-10 ; fine home Y
                  ; Z homing section follows
                  i changed to the print bed to 200 in xy and z to start with keep to things i know while working this stuff out

                  thanks for any help the info for all this stuff is all over the places

                  warning brain may explode

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                  • undefined
                    dc42 administrators
                    last edited by 7 Oct 2016, 14:33

                    The homing switches are only active during homing, so there are no limits on movement until you have homed. For testing homing, you may wish to reduce the homing speed and motor current.

                    Duet WiFi hardware designer and firmware engineer
                    Please do not ask me for Duet support via PM or email, use the forum
                    http://www.escher3d.com, https://miscsolutions.wordpress.com

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                    • undefined
                      cap
                      last edited by 7 Oct 2016, 15:24

                      ok ive now removed all the 3 of these files homex.g homey.g homez.g
                      and just left the homeall.g
                      i can get x and y to home but not z in fact on the web interface it is now in yellow telling me it not available

                      warning brain may explode

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                      • undefined
                        dc42 administrators
                        last edited by 7 Oct 2016, 16:24

                        Read https://duet3d.com/wiki/Configuring_RepRapFirmware_for_a_Cartesian_printer#Homing_files. The files for a CoreXY printer are similar except for homeall.g.

                        Duet WiFi hardware designer and firmware engineer
                        Please do not ask me for Duet support via PM or email, use the forum
                        http://www.escher3d.com, https://miscsolutions.wordpress.com

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                        • undefined
                          cap
                          last edited by 7 Oct 2016, 17:10

                          ok thanks sorted it
                          sorry to be a pain could not see it throw looking changed homez to this
                          G91 ; relative mode
                          G1 Z4 F200 ; raise head 4mm to ensure it is above the switch trigger height
                          G90 ; back to absolute mode
                          G1 X0 Y0 F2000 ; put head wherever you want it to be when you home Z (omit this line if it doesn't matter)
                          G91 ; relative mode
                          G1 Z-200 S1 F100 ; move Z down until the switch triggers
                          G90 ; back to absolute mode
                          G92 Z0.3

                          and it worked a treat

                          warning brain may explode

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                          • undefined
                            thehands1
                            last edited by 7 Nov 2017, 03:09 11 Jul 2017, 02:58

                            So I had the same type of issues in the previous posts but now it will home the X and Y axis correctly, The drives go in the right direction…Awesome...but...now when I home everything seems to be locked up when I try to make the X or Y axis to move. I can't move by g-code or by pushing the buttons on the PanelDue or Web page. Any ideas?

                            I tried the sample g-code:
                            G91 ; relative mode
                            G1 S2 X10 ; move the X motor forward 10mm
                            G1 S2 X-10 ; move the X motor back 10mm
                            G1 S2 Y10 ; move the Y motor forward 10mm
                            G1 S2 Y-10 ; move the Y motor back 10mm
                            G90 ; back to absolute mode

                            Works UNLESS I home the X axis and Y axis then nothing. It just stops and no further movements work.

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                            • undefined
                              dc42 administrators
                              last edited by 11 Jul 2017, 06:34

                              Please post your config.g file. There may be something wrong with your M574 or M208 commands in particular.

                              What is the displayed X Y position after homing? Are your homing switches triggered at the front left of the printer, or somewhere else?

                              Duet WiFi hardware designer and firmware engineer
                              Please do not ask me for Duet support via PM or email, use the forum
                              http://www.escher3d.com, https://miscsolutions.wordpress.com

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                              • undefined
                                thehands1
                                last edited by 7 Nov 2017, 13:52 11 Jul 2017, 13:38

                                I am homing at the front left of the printer. The XY position displayed is 0,0. The endpoints trigger (and the board LED lights up) when I press the contacts. The X axis increases when I go to the right. The Y axis increases when I go to the back. Here is the config.g

                                ; Configuration file for Duet WiFi (firmware version 1.17)
                                ; executed by the firmware on start-up
                                ;
                                ; generated by RepRapFirmware Configuration Tool on Mon Jul 10 2017 20:30:20 GMT-0600 (Mountain Daylight Time)

                                ; General preferences
                                M111 S0 ; Debugging off
                                G21 ; Work in millimetres
                                G90 ; Send absolute coordinates…
                                M83 ; ...but relative extruder moves
                                M555 P2 ; Set firmware compatibility to look like Marlin

                                M667 S1 ; Select CoreXY mode
                                M208 X0 Y0 Z0 S1 ; Set axis minima
                                M208 X400 Y400 Z400 S0 ; Set axis maxima

                                ; Endstops
                                M574 X1 Y1 Z0 S0 ; Define active low and unused microswitches
                                M558 P1 X0 Y0 Z1 H5 F120 T6000 ; Set Z probe type to unmodulated, the axes for which it is used and the probe + travel speeds
                                G31 P600 X0 Y0 Z2.5 ; Set Z probe trigger value, offset and trigger height
                                M557 X15:385 Y15:385 S20 ; Define mesh grid

                                ; Drives
                                M569 P0 S0 ; Drive 0 goes forwards
                                M569 P1 S1 ; Drive 1 goes backwards
                                M569 P2 S1 ; Drive 2 goes forwards
                                M569 P3 S1 ; Drive 3 goes forwards
                                M350 X16 Y16 Z16 E16 I0 ; Configure microstepping without interpolation
                                M92 X87.489 Y87.489 Z4000 E420 ; Set steps per mm
                                M566 X900 Y900 Z12 E120 ; Set maximum instantaneous speed changes (mm/min)
                                M203 X9000 Y9000 Z180 E1200 ; Set maximum speeds (mm/min)
                                M201 X500 Y500 Z250 E250 ; Set accelerations (mm/s^2)
                                M906 X800 Y800 Z800 E800 I30 ; Set motor currents (mA) and motor idle factor in per cent
                                M84 S30 ; Set idle timeout

                                ; Heaters
                                M143 S260 ; Set maximum heater temperature to 260C
                                M140 H-1 ; Disable heated bed

                                ; Tools

                                ; Network
                                M550 PHypercube ; Set machine name
                                M551 PXXXXXX ; Set password
                                M552 S1 ; Enable network
                                M587 SXXXXXX P"XXXXXXX" ; Configure access point. You can delete this line once connected
                                M586 P0 S1 ; Enable HTTP
                                M586 P1 S0 ; Disable FTP
                                M586 P2 S0 ; Disable Telnet

                                ; Fans
                                M106 P0 S0.3 I0 F500 H-1 ; Set fan 0 value, PWM signal inversion and frequency. Thermostatic control is turned off
                                M106 P1 S1 I0 F500 H T45 ; Set fan 1 value, PWM signal inversion and frequency. Thermostatic control is turned on
                                M106 P2 S1 I0 F500 H T45 ; Set fan 2 value, PWM signal inversion and frequency. Thermostatic control is turned on

                                ; Custom settings are not configured

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                                • undefined
                                  dc42 administrators
                                  last edited by 11 Jul 2017, 21:05

                                  That looks ok to me. Perhaps it is something in your homing files - please share them too.

                                  What happens if you home just X: are you able to move X and/or Y after that? Similarly if you home just Y.

                                  Duet WiFi hardware designer and firmware engineer
                                  Please do not ask me for Duet support via PM or email, use the forum
                                  http://www.escher3d.com, https://miscsolutions.wordpress.com

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                                  • undefined
                                    thehands1
                                    last edited by 12 Jul 2017, 02:02

                                    If I home either only X or only Y I can move those axis just fine. It I home both then it locks up. Here are the Homing files:

                                    Homeall
                                    ; homeall.g
                                    ; called to home all axes
                                    ;
                                    ; generated by RepRapFirmware Configuration Tool on Mon Jul 10 2017 20:30:20 GMT-0600 (Mountain Daylight Time)

                                    ; Relative positioning
                                    G91

                                    ; Lift Z
                                    ;G1 Z5 F6000

                                    ; Course home X or Y
                                    G1 S1 X-405 Y-405 F1800
                                    ; Course home X
                                    G1 S1 X-405
                                    ; Course home Y
                                    G1 S1 Y-405

                                    : Move away from the endstops
                                    G1 X5 Y5 F6000

                                    ; Fine home X
                                    G1 S1 X-10
                                    ; Fine home Y
                                    G1 S1 Y-10

                                    ; Absolute positioning
                                    G90

                                    ; Go to first bed probe point and home Z
                                    G1 X15 Y15 F6000
                                    G30

                                    ; Uncomment the following line to lift the nozzle after probing
                                    ;G1 Z5 F100


                                    Home X
                                    ; homex.g
                                    ; called to home the X axis
                                    ;
                                    ; generated by RepRapFirmware Configuration Tool on Mon Jul 10 2017 20:30:20 GMT-0600 (Mountain Daylight Time)

                                    ; Lift Z relative to current position
                                    G91
                                    G1 Z5 F6000
                                    G90

                                    ; Move quickly to X axis endstop and stop there (first pass)
                                    G1 X-405 F1800 S1

                                    ; Go back a few mm
                                    G91
                                    G1 X5 F6000
                                    G90

                                    ; Move slowly to X axis endstop once more (second pass)
                                    G1 X-405 F360 S1

                                    ; Lower Z again
                                    G91
                                    G1 Z-5 F6000
                                    G90


                                    Home Y
                                    ; homey.g
                                    ; called to home the Y axis
                                    ;
                                    ; generated by RepRapFirmware Configuration Tool on Mon Jul 10 2017 20:30:20 GMT-0600 (Mountain Daylight Time)

                                    ; Lift Z relative to current position
                                    G91
                                    G1 Z5 F6000
                                    G90

                                    ; Move quickly to Y axis endstop and stop there (first pass)
                                    G1 Y-405 F1800 S1

                                    ; Go back a few mm
                                    G91
                                    G1 Y5 F6000
                                    G90

                                    ; Move slowly to X axis endstop once more (second pass)
                                    G1 Y-405 F360 S1

                                    ; Lower Z again
                                    G91
                                    G1 Z-5 F6000
                                    G90

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                                    • undefined
                                      dc42 administrators
                                      last edited by 12 Jul 2017, 09:52

                                      This has me puzzled because I can't see the problem. Please try these:

                                      1. Send M208 with no parameters, check that the axis limits it reports are correct and as you have defined them in config.g i.e. minimum zero and maximum 400 on each axis.

                                      2. Send M564 S0 to disable soft endstops and then see if it lets you move after homing.

                                      Duet WiFi hardware designer and firmware engineer
                                      Please do not ask me for Duet support via PM or email, use the forum
                                      http://www.escher3d.com, https://miscsolutions.wordpress.com

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                                      • undefined
                                        thehands1
                                        last edited by 12 Jul 2017, 12:36

                                        I am confused as well. It looked to me like things were correct. Now with you being puzzled now I am VERY confused. I will try those suggestions to see what happens. Thanks for the help!

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                                        • undefined
                                          thehands1
                                          last edited by 12 Jul 2017, 17:20

                                          OK, well it works now if I do the Homeall manually. If I issue a G28 ; home all axes then the system will home correctly but then just hangs up. No messages in the console nothing. It just sits there and I have to reset and manually do the Homeall then run without the G28. Ideas?

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