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    Hints for accelerometer placeing

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    Duet Hardware and wiring
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    • A Former User?
      A Former User @T3P3Tony
      last edited by A Former User

      @t3p3tony said in Hints for accelerometer placeing:

      @thedragonlord the input shaping plugin will show the detected frequencies see this thread for the latest development of the plugin:
      https://forum.duet3d.com/topic/24859/inputshaping-plugin-0-1-0-rc7-released-repacked/15

      this is the accelerometer I've bought: https://www.ebay.it/itm/273191600064 (of course I'll upgrade the FW to 3.4 beta 2) in your opinion a normal non shielded flat ethernet cable like this https://www.amazon.it/gp/product/B00UPHN938/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1 (wich I already own) could be fine? (Of course following the hint to keep the CS cable as far as possible from other signal cables). In case not what cable would be best?

      Thanks

      gloomyandyundefined 1 Reply Last reply Reply Quote 0
      • gloomyandyundefined
        gloomyandy @A Former User
        last edited by

        @thedragonlord No idea if the flat ethernet cable will work or not, you probably just have to try it. If it doesn't then several folks (including myself) have been successful using USB3 cable and wiring in the way described here: https://forum.duet3d.com/topic/22878/software-package-3-3beta3-released/68?_=1624809172098

        A Former User? 1 Reply Last reply Reply Quote 1
        • A Former User?
          A Former User @gloomyandy
          last edited by

          @gloomyandy said in Hints for accelerometer placeing:

          @thedragonlord No idea if the flat ethernet cable will work or not, you probably just have to try it. If it doesn't then several folks (including myself) have been successful using USB3 cable and wiring in the way described here: https://forum.duet3d.com/topic/22878/software-package-3-3beta3-released/68?_=1624809172098

          excellent, thanks

          1 Reply Last reply Reply Quote 0
          • amjm22undefined
            amjm22
            last edited by

            I have a Delta printer using a Duet smart effector, I'm using a Duet3d 6hc3 sys board.

            Where would you mount an accelerometer to the smart effector?

            Wiring is not the issue, it is the physical location.

            dc42undefined 1 Reply Last reply Reply Quote 0
            • dc42undefined
              dc42 administrators @amjm22
              last edited by

              @amjm22 I mounted mine on top of the effector, using a single screw to attach it to one of the 3 mounting holes in the effector, with a couple of nuts as spacers.

              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

              ignacmcundefined amjm22undefined 2 Replies Last reply Reply Quote 1
              • ignacmcundefined
                ignacmc @dc42
                last edited by

                @dc42 Any rigid location on top of the effector could suffice?
                I am thinking of using double side tape, or printing a small base to be glued on top

                Predator with Duet3 Mini 5+, Smarteffector v4 and LGX Lite Extruder

                dc42undefined 1 Reply Last reply Reply Quote 0
                • amjm22undefined
                  amjm22 @dc42
                  last edited by

                  @dc42 Much appreciated! I will give it a shot when the accelerometer arrives! i post the results.

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

                    @ignacmc said in Hints for accelerometer placeing:

                    @dc42 Any rigid location on top of the effector could suffice?

                    Yes. Here is a photo of the way I mounted mine.

                    2021-09-16 21.19.11.jpg

                    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

                    janjohundefined 1 Reply Last reply Reply Quote 1
                    • janjohundefined
                      janjoh @dc42
                      last edited by

                      @dc42 That photo made me smile. I came here looking for advice on accelerometer placement, and invisioned all sorts of fancy printed mounts. Then I find this. Quick. Cheap. Efficient. Moving on.

                      Thank you. 🙂

                      tommybundefined 1 Reply Last reply Reply Quote 0
                      • tommybundefined
                        tommyb @janjoh
                        last edited by

                        @janjoh I would guess the corner mount like will have it's own artifacts. It may or may not matter, but looks like a spring board and will certainly have a dominant frequency related to the mounting alone. Simply test on a nice solid block of Al or something by mounting in the same fashion and give it a few taps in x, y, z directions and see what you get.

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

                          @tommyb if the screws are tight then I am sure that the resonant frequencies of the mounting mechanism will be much higher than those of the arms + effector mass that I am interested in.

                          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

                          1 Reply Last reply Reply Quote 0
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