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    Confused on wiring for Ender 3 Pro Conversion

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    Duet Hardware and wiring
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    • Phaedruxundefined
      Phaedrux Moderator
      last edited by

      I knew that picture would come back to haunt me. 🙂

      You'd need to power cycle the board.

      Z-Bot CoreXY Build | Thingiverse Profile

      Destruct0Danundefined 1 Reply Last reply Reply Quote 0
      • Destruct0Danundefined
        Destruct0Dan @Phaedrux
        last edited by

        @Phaedrux lol No worries. I was just trying to stick to what's laid out. Now I have powered down and powered back up the board. Every time I disconnect and reconnect cables I unplug the PSU cable. Still ends up saying the same thing.

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        • Destruct0Danundefined
          Destruct0Dan
          last edited by

          Still doing this after fully power cycling the printer.

          update2 (2).jpg update1 (2).jpg

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          • Phaedruxundefined
            Phaedrux Moderator
            last edited by

            It's showing open circuit on both your heaters. Are the wires actually connected? Bad crimp?

            Z-Bot CoreXY Build | Thingiverse Profile

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            • Destruct0Danundefined
              Destruct0Dan
              last edited by

              Not my best but not my worst. Pins are seated properly too.20201128_192147 (2).jpg 20201128_191939 (2).jpg

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              • Destruct0Danundefined
                Destruct0Dan
                last edited by

                Just to verify
                20201128_192632 (2).jpg

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                • A Former User?
                  A Former User
                  last edited by

                  Last picture show the thermistor connected in parallel with the heater element.

                  The two pin header labeled E0 Temp is probably the one you wanted to use. It would help to measure the resistance across the two wires coming from the thermistor if it doesn't work on the correct input to see if the sensor/wiring is okay or not. I guess if subjected to Vin for some time it might not survive due to the heat generated as the resistance drops with increasing temperature.

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                  • Destruct0Danundefined
                    Destruct0Dan @A Former User
                    last edited by

                    @bearer Further up you'll see that it was mentioned for me to move the Therm to this connector. I did originally have it connected to E0 TEMP.

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                    • Phaedruxundefined
                      Phaedrux Moderator
                      last edited by

                      Maybe I fixed the photo cause I had made the same mistake originally. Will look closer tomorrow after sleep.

                      Z-Bot CoreXY Build | Thingiverse Profile

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                      • A Former User?
                        A Former User
                        last edited by

                        If you have a multimeter try to measure the resistance of the sensor to see if its wired correctly. Disconnect the plug and measure on the crimps in the plug, with thin enough probes you don't even have to remove the crimps from the plug. You should most likely measure around 100k ohm at room temp (20C).

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                        • Destruct0Danundefined
                          Destruct0Dan @Phaedrux
                          last edited by

                          @Phaedrux Well, just now moved it to that other set I originally had it on and still the same thing.

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                          • Vetiundefined
                            Veti @Destruct0Dan
                            last edited by

                            @Destruct0Dan said in Confused on wiring for Ender 3 Pro Conversion:

                            M308 S0 P"bedtemp" Y"thermistor" T9880 B4185 ; configure sensor 0 as thermistor on pin bedtemp
                            M308 S1 P"e0temp" Y"thermistor" T9880 B4185 ; configure sensor 1 as thermistor on pin e0temp

                            you mistyped your resistance value its 98801

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                            • Destruct0Danundefined
                              Destruct0Dan @Veti
                              last edited by

                              @Veti Ah thank you. I take it I need to go through the configurator again to fix that?

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                              • Vetiundefined
                                Veti @Destruct0Dan
                                last edited by

                                @Destruct0Dan

                                no on the duet web ui you can edit the file directly. go to system and click on config.g

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                                • Destruct0Danundefined
                                  Destruct0Dan @Veti
                                  last edited by

                                  @Veti added the 1 to both lines that was missing it. Restarted and now to see what it says. Thank you for pointing that out. I had gone through that process a couple times and thought I entered the one like needed. Guess not.

                                  Now my temps are reading the way they should. Now just continue through the setup process from the config setup portion? Also, does it mention where or how to adjust for using a TH3D EZABL Pro for my Z axis?

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                                  • Vetiundefined
                                    Veti @Destruct0Dan
                                    last edited by

                                    @Destruct0Dan said in Confused on wiring for Ender 3 Pro Conversion:

                                    Also, does it mention where or how to adjust for using a TH3D EZABL Pro for my Z axis?

                                    according to this
                                    https://forum.duet3d.com/topic/4671/rewire-ezabl-capacitive-npn-z-probe-kit-for-duet
                                    its a npn sensor

                                    for wiring see

                                    https://duet3d.dozuki.com/Wiki/Connecting_a_Z_probe#Section_NPN_output_normally_open_inductive_or_capacitive_sensor

                                    Destruct0Danundefined 1 Reply Last reply Reply Quote 0
                                    • Destruct0Danundefined
                                      Destruct0Dan @Veti
                                      last edited by

                                      @Veti I'll read over those. Thank you.

                                      Now I am also getting this when testing the bed. Seems it's warming up pretty slow. 1 degree in about 6-8 seconds.
                                      e0d0b4c9-f1b7-4008-a2f1-03ceecdb48c1-image.png

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                                      • Vetiundefined
                                        Veti
                                        last edited by

                                        you have to pid tune your bed and heater.

                                        https://duet3d.dozuki.com/Wiki/Tuning_the_heater_temperature_control

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                                        • Destruct0Danundefined
                                          Destruct0Dan @Veti
                                          last edited by

                                          @Veti oof. Talk about crash coursing in 3dPrinting. lol

                                          Now about the sensor, I already have the TH3D control box that replaces the switch itself and just plugs into the Z stop position on the controller. Is it advised to not do that anymore and just connect only by what's mentioned in what you linked?

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                                          • Vetiundefined
                                            Veti @Destruct0Dan
                                            last edited by

                                            @Destruct0Dan said in Confused on wiring for Ender 3 Pro Conversion:

                                            I already have the TH3D control box that replaces the switch itself and just plugs into the Z stop position on the controller. Is it advised to not do that anymore and just connect only by what's mentioned in what you linked?

                                            i dont have an EZABL probe. what i believe the controll box does, is allow the 12v or 24v power required for the sensor to be used and connect them to a normal endstop because overwise they would fry the board.
                                            the duet maestro endstop pin in 30V tolerant, so the sensor can be connected directly.
                                            however you could also just connect the controller box, that should also work.

                                            Destruct0Danundefined 1 Reply Last reply Reply Quote 0
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