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    Wiring differences

    Smart effector for delta printers
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    • vhoward
      vhoward last edited by

      I have a SeeMeCNC Rostock Max v3.2 and I want to convert it to use the Duet Smart Effector instead of the effector it came with. I have the wiring pinout for the whip for the SE300. They have 3.3v power, z probe mod, ground and z probe in all with their own wires while the layer fan and parts cooling fans are only supplied with one wire which provides I believe the positive power and they are using the ground for either the probe connections or the ground from the hot end heater as a common ground. There is also a positive and negative wire for the hot end heater and 2 white wires for the thermistor.

      So when I terminate the wires with the Duet supplied pins and connector housings, can I just put the positive wires for the 2 fans in the appropriate spots? Or do I need to run 2 more negative wires for each?

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      • Danal
        Danal last edited by

        Duet controls PWM on fans by switching the NEGATIVE wire.

        Delta / Kossel printer fanatic

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        • vhoward
          vhoward last edited by

          Since the RMv3.2 came with the Duetwifi as the controller, then I should hook those wires to the pwm pin on the smart effector.

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          • dc42
            dc42 administrators last edited by dc42

            We strongly recommend that you keep the signal ground and power ground wires separate.

            The signal wires are on the 8-pin connector. You need to use at least 5 of them: 2 for the thermistor, ground, +3.3V and sensor output. If you want to be able to program the effector sensitivity, you also need sensor in. The remaining 2 wires are only needed if you use a PT100 temperature sensor and you want to use a 4-wire connection.

            The power connector has hot end heater + and -, heatsink fan + and -, and print cooling fan + and -. You can common all the + wires if the fans and heaters all use the same voltage. So 4 wires minimum.

            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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            • vhoward
              vhoward last edited by

              There are enough wires for all the sensor wires and ground. I found out that SeeMeCNC based their SE300 board on the Duet Smart effector. But they did not make it so an E3Dv6 could be mounted, just their hot end. I think I have this figured out now.

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              • vhoward
                vhoward last edited by

                I ended up running 2 more wires for my hot end and part cooler fans. Now they work.

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