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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

      Your thermistor isn't plugged into the E0 Thermistor port.

      It should be in the one right next to the heater terminals.

      Z-Bot CoreXY Build | Thingiverse Profile

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

        @Phaedrux That's what I fugured. But going off of this picture from your install guide, I plugged it into the same connector shown.

        78389a53-58ce-4497-9a3c-2ae4a661f64f-image.png

        Now switching ports on the board has not changed anything with the temp shown on the 7i. It still shows a -273.1 temp still. Do I need to do a Reset Heater Fault and see what happens?

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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

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          • 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

                                Destruct0Danundefined 1 Reply Last reply Reply Quote 1
                                • 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?

                                      Vetiundefined 1 Reply Last reply Reply Quote 0
                                      • 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

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                                        • 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

                                            Destruct0Danundefined 1 Reply Last reply Reply Quote 0
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