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    New MB6HC install - a couple of questions

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    d-bot raspberry pi mb6hc
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    • TechButterflyundefined
      TechButterfly
      last edited by

      I am upgrading my old D-bot with linear rails and a Mosquito Magnum hot end. I decided to replace the old Ramps board with Duet3 MB6HC. I am just about finished with all the wiring, but I have a couple of questions before I can finish and move on to configuring.

      1. The duet can be set up with the Raspi, or standalone, but what's the difference? I want to be able to use input shaping, if that matters. I also have a panel due - not sure if it only works in standalone mode or not. If I go standalone, I can still just run octoprint on the pi and control the duet that way, right?

      2. Documentation says that the 26 to 40 pin cable between the SBC and the duet should be 100-150mm. The cable I have - which I believe came with the duet - is 200mm. Will that be okay?

      Thanks for any help! Once I've finished the last of the wiring, I'm sure I'll have more questions as I get further into configuration.

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      • Phaedruxundefined
        Phaedrux Moderator
        last edited by

        The Duet can run standalone and do pretty much everything. A few benefits of running with the SBC is it gives you wifi, the SD card write speed for job uploads are faster due to the increased amount of ram available to the SBC. There are things you can do with an SBC and full operating system that you cannot do on the Duet by itself. But in general, standalone and SBC mode are pretty on par. For simplicity's sake it's usually a good idea to start with standalone mode just to reduce the complexity when getting started.

        It is not recommended to use Octoprint with the Duet though. This limits you to USB gcode streaming which is prone to underruns and stuttering when trying to print fast or used highly detailed models. Several of the features of the Duet require the gcode file being printed to reside on the local SD card. Power failure resume for instance.

        The Duet has its own web interface that runs on the board. It will let you control the printer, upload jobs, edit config files and macros.

        Z-Bot CoreXY Build | Thingiverse Profile

        TechButterflyundefined 1 Reply Last reply Reply Quote 1
        • TechButterflyundefined
          TechButterfly @Phaedrux
          last edited by

          @phaedrux thanks for the reply. Since I definitely want (need) wifi, and because I want to have access to all the capabilities of the duet, I think I will go with the SBC setup.

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          • Phaedruxundefined
            Phaedrux Moderator
            last edited by

            In that case, start here: https://docs.duet3d.com/en/User_manual/Machine_configuration/SBC_setup

            It is still a good idea to get it going in standalone mode first to confirm the board is working and to update the firmware to the latest.

            Z-Bot CoreXY Build | Thingiverse Profile

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