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    Installing capacitor for Power Loss recovery

    Duet Hardware and wiring
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    • djarmag
      djarmag last edited by

      I'm finally upgrading to 24V for power loss recovery benefits and I ordered the 10000 uF capacitor that is recommended in documentation. Any solutions on which method is best to install it? I have stuff for soldering or heat shrink splicing for example so any ideas are welcome.

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

        @djarmag if you are using a power supply with several sets of output terminals for the same output, then I suggest you connect the capacitor to a spare set.

        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 1
        • djarmag
          djarmag last edited by

          @dc42 the 24V Meanwell Power supply (SP-750-24) only has a single set. Should I make a terminal block or what solution can you suggest?

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

            @djarmag it looks like you can use several ring terminals on each of those output studs.

            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
            • mrehorstdmd
              mrehorstdmd last edited by

              I use 5 position Wago 221 lever nuts to make power busses for my printer. They work with solid or stranded wire, gauges from 24 to 12, up to 32A. It makes it very easy to add on things you didn't think of when you built the printer.

              https://www.wago.com/us/lp-221

              https://drmrehorst.blogspot.com/

              fcwilt Phaedrux 2 Replies Last reply Reply Quote 2
              • fcwilt
                fcwilt @mrehorstdmd last edited by

                @mrehorstdmd said in Installing capacitor for Power Loss recovery:

                I use 5 position Wago 221 lever nuts to make power busses for my printer. They work with solid or stranded wire, gauges from 24 to 12, up to 32A. It makes it very easy to add on things you didn't think of when you built the printer.

                https://www.wago.com/us/lp-221

                The wire size range is rather amazing.

                Where do you get them?

                Frederick

                Printers: A FT-5 with the 713 upgrade bits. A custom MarkForged style. A small Utilmaker style and a CoreXY from kits. Various hotends. Using Duets (2 and 3) running 3.4.1

                mrehorstdmd 1 Reply Last reply Reply Quote 0
                • mrehorstdmd
                  mrehorstdmd @fcwilt last edited by

                  @fcwilt I ordered some from amazon.com at least once, and ordered more of them from some other place I can't recall now.

                  You can buy cheap Chinese knock-offs via ali-express... well, you know...

                  When I first got them I tested the grip on stranded and solid wires by pulling hard and couldn't get the wire to come out.

                  I have printed some snap-in holders to mount them on t-slot, etc. I have found that hot-melt glue will hold them down to appropriate surfaces, too.

                  https://drmrehorst.blogspot.com/2019/06/3d-printable-wago-221-lever-nut.html

                  https://drmrehorst.blogspot.com/

                  djarmag 1 Reply Last reply Reply Quote 2
                  • djarmag
                    djarmag @mrehorstdmd last edited by djarmag

                    @mrehorstdmd yea I used those at my other company, wago came by and gave a bunch of free samples. Since I'm using mains heated bed, I'll have lots of headroom. I figured it was simple and I just wanted to make sure I was on the right track. I appreciate everyone's feedback!

                    1 Reply Last reply Reply Quote 0
                    • Phaedrux
                      Phaedrux Moderator @mrehorstdmd last edited by

                      @mrehorstdmd said in Installing capacitor for Power Loss recovery:

                      https://www.wago.com/us/lp-221

                      Looks like you can get some free samples right at the link. I'll check em out.

                      Z-Bot CoreXY Build | Thingiverse Profile

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