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

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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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                            • undefined
                              dc42 administrators
                              last edited by 12 Jul 2017, 17:39

                              When you say it works if you do the homeall manually, do you mean it works if you send G28 X, then G28 Y, then G28 Z?

                              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
                                dc42 administrators
                                last edited by 12 Jul 2017, 17:49

                                Two things:

                                1. In homex.g and homey.g you do the fine homing at low speed (F360). In homeall.g you don't. You should add that F360 parameter to the commands that fine home X and Y.

                                2. I remember reading a report recently that another user had to remove comment lines from his homeall file to get it to work. So I am wondering whether there is a problem if the file ends with a comment line. Try removing the two comment lines at the end of homeall.g. Or maybe putting a blank line at the very end would work.

                                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, 19:27

                                  So when I say Homeall manually it is pressing the home icon on the PanelDue screen. Sending the G28 command from the gcode file not manually from the screen. I will try if sending the code individually if it works and I will then test to see if removing comments makes it work as well. I will do them separately so that I know which one is doing what.

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                                  • undefined
                                    thehands1
                                    last edited by 14 Jul 2017, 02:59

                                    If I enter the codes G28 X and G28 Y then tell it to print without a G28 code in the gcode file it works. If I have the codes G28 X and G28 Y in the gcode file with no G28 it works. If I just have G28 it stops working. Must be something with the Homeall file. There are no comments at the end anymore. The F360 parameters are there. Wow am I baffled!!!

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                                    • undefined
                                      Sabagmn
                                      last edited by 14 Jul 2017, 11:05

                                      I just had the same issue with the generated homeall.g file. Despite going through it line by line I could not find an issue.
                                      In the end I just completely cleared the file, saved it empty, and then manually inserted the X, Y, Z homing commands from their respective homing files into homeall.g.
                                      Now it works.

                                      Duet Ethernet with 1.18.1 by the way.

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                                      • undefined
                                        dc42 administrators
                                        last edited by 14 Jul 2017, 14:26

                                        Next time anyone has this issue, please save the homeall.g file that doesn't work so that you can send it on to me. I have just created a new homeall.g file using the config tool, and it works OK for me.

                                        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
                                          dc42 administrators
                                          last edited by 14 Jul 2017, 14:32

                                          @thehands1:

                                          If I enter the codes G28 X and G28 Y then tell it to print without a G28 code in the gcode file it works. If I have the codes G28 X and G28 Y in the gcode file with no G28 it works. If I just have G28 it stops working. Must be something with the Homeall file. There are no comments at the end anymore. The F360 parameters are there. Wow am I baffled!!!

                                          Could it possibly be a problem reading the homeall.g file on the SD card? Here are some things to try:

                                          • After running G28 or pressing Home All, check the Console page of DWC for error messages

                                          • Look at the printer status on DWC or PanelDue after it has got stuck running homeall. Is it still Busy, or has it reverted to Idle?

                                          • Go into the system file editor in DWC, edit homeall.g, select all the text and press control-C to copy it to clipboard. Then go to the Macros page of DWC, create a macro called e,g, "Home all", and put the text you copied into it. Then see if running the macro has the same problem

                                          • Move the SD card to a PC. Run the disk checking tool on it to check it for errors. Then rename homeall.g to homeall.bak, then copy homeall.bak to homeall.g. Put the card back in the Duet, restart the Duet, and see if the problem is still there.

                                          HTH David

                                          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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