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    Large Format Dowell to Duet conversion

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    Duet Hardware and wiring
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    • Charles Fraserundefined
      Charles Fraser @Phaedrux
      last edited by Charles Fraser

      @phaedrux @dc42

      Hi gents, so sorry so many questions but here are some more re firmware config:

      1. Heaters:

      Sensors:

      I have the daughterboard plugged into the expansion board for the k-type thermocouple for my bed and nozzle. Which of the options should I choose? I can’t tell from the list.

      1. Z probe config

      I have my 3D touch plugged into the IO2 port of the expansion board but the config options for the ‘z probe’ and BL touch

      It wants: PWM Control Channel’ for BL touch. Should I use this as the only assigned option for the 3D Touch?

      dc42undefined 1 Reply Last reply Reply Quote 0
      • dc42undefined
        dc42 administrators @Charles Fraser
        last edited by dc42

        @charles-fraser in the IO Mapping page:

        d29e9a71-0a7a-4370-8d11-7e8aa7a75f2e-image.png

        EDIT: I see that the daughter board is plugged into the EXP3HC. the config tool doesn't support that directly, so you will need to edit the config.g file. In the M308 commands, change spi.cs1 to 1:spi.cs0 and change spi.cs2 to 1:spi.cs1.

        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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        • Phaedruxundefined
          Phaedrux Moderator @Charles Fraser
          last edited by

          @charles-fraser said in Large Format Dowell to Duet conversion:

          I can't seem to find 'vfan' jumper on the Duet 3. Please advise?

          There isn't one, actually. But you can find a source for 5v right in the same block as the PSON pin in the ext_5v block along with ground.

          @charles-fraser said in Large Format Dowell to Duet conversion:

          Do you think the Noctua good in the PWM lazer three pin connector?

          Do you mean the 5v or 12v connection? Either may work. At 5v it would spin slower.

          @charles-fraser said in Large Format Dowell to Duet conversion:

          Do you think the thermocouple is okay with the cable running alongside the extrudor motor cable to the gantry? Both bed and nozzle thermocouples are in the daughterboard of the expansionboard.

          Provided it's shielded it should be ok.

          @charles-fraser said in Large Format Dowell to Duet conversion:

          4a Is there any way to use the Duet Web Control (DWC) to monitor the print live over webcam?

          Yes, it has a window where the feed from a webcam can be displayed. Personally, I use a Pi zero W with camera module running MotionOS to display a live stream.
          https://duet3d.dozuki.com/Wiki/How_to_include_a_web_camera_image_in_Duet_Web_Control

          @charles-fraser said in Large Format Dowell to Duet conversion:

          4b Using Cura as a slicer, is it possible to delete a part during printing to move onto the next one

          Yes, as long as the objects are labeled in the gcode the DWC gcode viewer plugin can be used to cancel objects.

          @charles-fraser said in Large Format Dowell to Duet conversion:

          is it best for me to use Octoprint

          No, using octoprint isn't really recommended at all because that would mean using octoprint to stream the gcode over USB which has a number of limitations.

          https://duet3d.dozuki.com/Wiki/Firmware_Overview#Section_Printing_over_USB_connection_Octoprint_Cura_Simplify3D_Etc

          If you're using the Pi with the Duet as you have connected in your photos, you would be using DuetPi anyway.

          https://duet3d.dozuki.com/Wiki/SBC_Setup_for_Duet_3

          @charles-fraser said in Large Format Dowell to Duet conversion:

          The only other thing is working out how to connect the screen at the front but it's not a duet screen

          The only direct connect screen compatible with the Duet is the PanelDue. The Pi itself can use HDMI touchpanels and display the Duet interface there.

          @charles-fraser said in Large Format Dowell to Duet conversion:

          I have my 3D touch plugged into the IO2 port of the expansion board

          Take a look at these limitations. https://duet3d.dozuki.com/Wiki/Duet_3_firmware_configuration_limitations

          If possible, try to connect the probe to the same board that has the Z motors, though it is still usable otherwise.

          The config tool is a bit limited when it comes to more advanced configurations, so you may have to do some manual setup editing the config directly. The BLTouch needs a servo control pin (out), and a trigger pin (in), along with power and ground.

          Here's an example of it being wired up. (ignore the fact that it says io_3 and io_4 at the same time.)
          duet3bltouch.png

          Z-Bot CoreXY Build | Thingiverse Profile

          Charles Fraserundefined 1 Reply Last reply Reply Quote 0
          • oliofundefined
            oliof
            last edited by

            @phaedrux said in Large Format Dowell to Duet conversion:

            The only direct connect screen compatible with the Duet is the PanelDue.

            Other options exist. RepPanel, RRFDisplay as seen elsesewhere on this forum; the BTT TFT support for RepRapFirmware improves roughly on a week-by-week basis. These are all open source. The closed source FlyMAKER screen also is available.

            Personally, I do not regret buying the PanelDue. I'd prefer an 12864 controller on Duet3, but haven't put the RRFDisplay to use yet myself.

            1 Reply Last reply Reply Quote 1
            • oliofundefined
              oliof
              last edited by

              This post is deleted!
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              • Charles Fraserundefined
                Charles Fraser @Phaedrux
                last edited by Charles Fraser

                @phaedrux said in Large Format Dowell to Duet conversion:

                @charles-fraser said in Large Format Dowell to Duet conversion:

                I can't seem to find 'vfan' jumper on the Duet 3. Please advise?

                There isn't one, actually. But you can find a source for 5v right in the same block as the PSON pin in the ext_5v block along with ground.

                Thanks so much for your help again! I am sorry but I have been putting out fires elsewhere recently. I'm spending the next three days getting this online hopefully! I now understand where to plug the Duet 3 into the power relay but there are two more wires coming out of the power relay: the + and - 'signal' wires as illustrated with the green questionmark in this diagram. Do you know where these go please @Phaedrux @dc42 ? Many thanks

                Green Machine Wiring Schematic Power relay close up.png

                Charles

                Charles Fraserundefined 1 Reply Last reply Reply Quote 0
                • Charles Fraserundefined
                  Charles Fraser @Charles Fraser
                  last edited by

                  @dc42 @chrishamm @Phaedrux

                  I have so many questions and issues. I am sorry I do have learning difficulties. Is there a consultant who I can hire by the hour to help me develop the firmware config, SBC and operation pipeline for this printer / these electronics please?

                  I’ve invested all I have into this just time is really short now and I need to get this printer working again and this is the way I think I could make best progress towards a repeatable solution.

                  Please advise. Many thanks
                  Charles

                  Charles Fraserundefined 1 Reply Last reply Reply Quote 0
                  • Charles Fraserundefined
                    Charles Fraser @Charles Fraser
                    last edited by

                    I can set my workshop up with the webcam and zoom on the screen and we could work through the setup remotely. Please advise if there are any Duet engineers who might be interested? Many thanks, Charles

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

                      @charles-fraser Under normal circumstances I would be glad to take you up on your offer, however there are just too many things going on in personal life right now. If no one else steps up to take your offer, please feel free to continue asking your questions here. We will get you going eventually.

                      Z-Bot CoreXY Build | Thingiverse Profile

                      Charles Fraserundefined 1 Reply Last reply Reply Quote 0
                      • Charles Fraserundefined
                        Charles Fraser @Phaedrux
                        last edited by

                        @phaedrux Thanks, is there anyone who works for the company that you could think of? The business model for most opensource software is to profide the software and charge for support. It would be good to do that here as so much support is going on in the forums. I'll keep it all open I just can't get this SBC to show up anywhere. Thanks, Charles

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                        • dc42undefined
                          dc42 administrators
                          last edited by

                          @charles-fraser I need the schematic of that relay board so that I can work out what it is supposed to do and how to connect it. Can you trace it?

                          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

                          Charles Fraserundefined 1 Reply Last reply Reply Quote 0
                          • Charles Fraserundefined
                            Charles Fraser @dc42
                            last edited by

                            @dc42 Hi there, thanks! Did you see the diagram I posted above? Otherwise can you send me an example of the kind of schematic you need please?

                            Green Machine Wiring Schematic Power relay close up.png

                            New developments: I have the Rasp-Pi running flashed with the Duet Rasbian image and it recognises the board. I'm working on config files now but have loads of errors for my first config so I am trying to fix those based on the error type.

                            IMG_3039.jpg

                            Screenshot 2021-09-23 at 16.11.16.jpg

                            chrishammundefined 1 Reply Last reply Reply Quote 0
                            • chrishammundefined
                              chrishamm administrators @Charles Fraser
                              last edited by

                              @charles-fraser Your schematic is cropped, can you please provide the complete one? Also, the configtool lets you uncheck "Run in standalone mode without SBC" which you should do with a RPi attached:

                              5c459aea-b698-43c2-9474-24e7515670b6-image.png

                              Also it will help if you provide your config.g as well.

                              Duet software engineer

                              Charles Fraserundefined 1 Reply Last reply Reply Quote 0
                              • Charles Fraserundefined
                                Charles Fraser @chrishamm
                                last edited by

                                @chrishamm hi thanks Chris, I provided the full schematic above too. Here it is again. There is an on off button on the front of the printer. I think that goes where indicated. There is just one wire, the signal wire, with + and - I can't work out where that goes. It's not essential to have the on off switch but it would be nice to have one on the front of the machine where I work rather than having to run around the back to the mains where the power board is. Thanks!

                                Screenshot 2021-09-23 at 17.25.55.png

                                chrishammundefined Charles Fraserundefined 2 Replies Last reply Reply Quote 0
                                • chrishammundefined
                                  chrishamm administrators @Charles Fraser
                                  last edited by

                                  @charles-fraser Thank you, can you please share your config.g as well?

                                  Duet software engineer

                                  1 Reply Last reply Reply Quote 0
                                  • Charles Fraserundefined
                                    Charles Fraser @Charles Fraser
                                    last edited by

                                    @dc42 @Phaedrux

                                    Hi gents so after a few hours of work today here is my progress. I have the Rasberian Duet image on the Pi and thats working. I'm able to upload config files to the Duet 3 and have just tested my second config file (here are the config and bed files that might be relevant):

                                    config.g bed.g

                                    The fan on the extruder is spinning albeit with very very low power. I have two fans hooked up in series there but will sort that out using the fan cables from the second extruder that came with the printer that I don't use. Otherwise here are the highlights:

                                    1. When I try and move x or y motors it says:

                                    Screenshot 2021-09-23 at 17.32.53.png

                                    When I try and home it makes noises but nothing happens. Maybe upping the mA power to 4000 will help to make the X & Y Nema 23 motors move.

                                    1. The status light is flashing orange steadily on the main board. I tried searching but can’t work out what it means. What does it mean?

                                    2. ENDSTOPS: How to setup z end stop. It’s a 3D Touch with a little switch wired into it? I can’t turn on the ‘Endstop type > switch’ in the config menu. 



3.1 Is ‘low end’ when it’s at the furthest point from the extruder or closest?

                                    Z switch.png

                                    3.1 Is ‘low end’ when it’s at the furthest point from the extruder or closest?

                                    1. I have swapped the Thermocouple for a thermistor for the Nozzle thermistor because the thermocouple is not sheilded and runs down a rubber wire to the board alongside all the motor cables etc. I plugged it into ‘Temp 0’ on the expansion board but I only see PT1000 as an option with temp 0 (what is pt1000 please?).

                                    2. How to set up additional z motors.
                                      Where does the Gcode go that has to be entered into the ‘config’ and ‘bed’ file it does not say?

                                    Is this right?

                                    File config.g:

                                    M584 X0 Y1 Z2:3:4:5 & DRIVER 0 on expansion board, what is the code for that (set as E3 in configurator);
                                    four Z motors connected to driver outputs 2, 3, 4 and 5

                                    M671 X-15💯215 Y190:-10:190 S0.5 ;
                                    What is the co-ordinate convention here? I can’t work it out at all. This is the location of the four z motors

                                    Screenshot 2021-09-23 at 16.57.09.png

                                    1. How to set up the 5v Pam as a fan to cool the boards with the Noctua please?

                                    2. Here is a table with where all the wires are if that helps:

                                    Screenshot 2021-09-23 at 17.14.42.png

                                    1. It would be really great to have a video tutorial series that gives an overview of how the Duet ecosystem is designed and a crash course overview course on how to modify config settings with clear diagrams and high quality images ect. I'd be happy to help. Please direct me if there is an idiot's guide somewhere please. Many thanks

                                    Charles

                                    Charles Fraserundefined 1 Reply Last reply Reply Quote 0
                                    • Charles Fraserundefined
                                      Charles Fraser @Charles Fraser
                                      last edited by

                                      @dc42 @Phaedrux @chrishamm

                                      p.s: I tried it with 4000mA per nema 23 and now when I press ‘home’ x it clicks and clicks and cracks like something is being pushed and about to snap. I Try to press move x in the other direction and that doesnt work because of the same above fault, no home

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                                      • Phaedruxundefined
                                        Phaedrux Moderator
                                        last edited by

                                        I think the firmware on some of your boards is out of sync. Can you send send M122 and M122 B1 from the command console and report the results? The firmware should be 3.3 all around. If not, updating them all will be the first step.

                                        Z-Bot CoreXY Build | Thingiverse Profile

                                        Charles Fraserundefined 3 Replies Last reply Reply Quote 0
                                        • Charles Fraserundefined
                                          Charles Fraser @Phaedrux
                                          last edited by

                                          @phaedrux thanks I’ll try

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                                          • Charles Fraserundefined
                                            Charles Fraser @Phaedrux
                                            last edited by

                                            @phaedrux

                                            m122 small.jpg

                                            M122 B1 small.jpg

                                            I'm guessing that means B1 is not speaking the same language (firmware) so will try to follow the firmware update instructions

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