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    Duet Thermocouple Daughterboard Update to Standard Connectors

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    • TLASundefined
      TLAS
      last edited by

      Any chance we could get a version of that board with standard thermocouple mini connectors? It would eliminate the need to remove the existing standard connectors on most every thermocouple and prevent wiring the thermocouples backward.

      I understand the mating connectors are more expensive, but for most people using thermocouples it would be a nice benefit.

      Thoughts?

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

        @TLAS the standard mini thermocouple connector is nearly 17mm wide, so fitting two of them on the thermocouple daughter board would not be feasible.

        There are some smaller thermocouple connectors available but I haven't seen any in widespread use. Most thermocouples I see advertised are wire ended, not terminated in a connector.

        The Duet3D daughter board works with several different types of thermocouple, not just type K. We have users who extrude very high temperature materials and use other types, and for them including a type K thermocouple connected would be a disadvantage.

        So in short, we don't have any plans to do this. The screw terminals seem to work well with any type of thermocouple. If you connect the wires the wrong way round then it is quickly obvious, because the temperature reading goes down when the heater is turned on.

        We could do a custom run if sufficient quantity was requested. The minimum quantity that was economical to make would probably be a few hundred. Alternatively you could do your own variant starting from our open source design files.

        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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