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    4 conductor cable for the Panel Due

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    • bondusundefined
      bondus
      last edited by

      I bit of nitpicking. 🙂

      I use my Panel Due in a movable case. It came with a horrible cable, 4 loose cables attached each end. They get stuck on everything all the time.

      It would be a lot nicer with one 4 conductor cable instead of 4 one conductor cables.

      I could make my own cable...
      Or pull a cable sock over it...

      Stephen6309undefined 1 Reply Last reply Reply Quote 0
      • zaptaundefined
        zapta
        last edited by

        I also use a moveable case and am using a 4 core UL2464 cable. You can find them on Aliexpress and many other places.

        1 Reply Last reply Reply Quote 0
        • inztigatorundefined
          inztigator
          last edited by

          Just add some heatshrink to keep them together 🙂

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          • Stephen6309undefined
            Stephen6309 @bondus
            last edited by

            @bondus Remove one of the connectors and twist the wires together or get some spiral wire wrap, like https://www.amazon.com/Uxcell-a13032800ux0333-Clear-Polyethylene-Spiral/dp/B00CW8V7X2/

            nopheadundefined 1 Reply Last reply Reply Quote 0
            • Dougal1957undefined
              Dougal1957
              last edited by

              I use braiding for this with a short piece of heat shrink at each end to hold it in place, I also only ever use flexible silicon covered wire in those situations where flex is involved.

              HTH Doug

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              • dc42undefined
                dc42 administrators
                last edited by dc42

                I use this cable to connect a PanelDue if I am not using the ribbon cable: https://uk.rs-online.com/web/p/multicore-industrial-cable/6604037/. It's resistance is 0.092 ohms/m so according to our recommendation of not more than 0.1ohms per conductor, it's good for cable lengths up to about 1.1m. On my delta the cable is somewhat longer than that, but the 7" PanelDue works.

                Polyester braiding on the existing cable with heatshrink at the ends as @Dougal1957 suggests is also a good solution.

                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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                • nopheadundefined
                  nophead @Stephen6309
                  last edited by

                  @stephen6309 I can't see why you would need to remove a connector to twist the wires. I just put one end in a vice and twisted the other.

                  0_1562234883175_IMG_20190704_093355034.jpg

                  Stephen6309undefined 1 Reply Last reply Reply Quote 0
                  • Stephen6309undefined
                    Stephen6309 @nophead
                    last edited by

                    @nophead Twist one pair, then twist the other pair, it won't untwist as easy as doing all at once.

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                    • nopheadundefined
                      nophead
                      last edited by

                      Actually, I think the opposite is true. The pairs in themselves will stay twisted but then the twisted pairs won't twist well together.

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

                        Best IMO is to remove the pins from the connector shell at one end (easy with the Molex KK connectors); then hand-twist the 4 wires around each other without imparting a twist to the individual wires; then re-insert them in the shell. If you twist the cable with the shells in place, then the individual wires have to twist, and then they will tend to un-twist the cable.

                        For stepper motor cables, I prefer to twist the two wire in each phase around each other; then loosely twist the two pairs around each other. This minimises magnetically induced EMI.

                        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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