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Thermistor at 2000c

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  • undefined
    Bewaren
    last edited by 13 Jun 2020, 20:53

    Strange, it's completely changed the way the web interface looks, however it says the firmware version is still the same @Phaedrux

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    • undefined
      Bewaren
      last edited by 13 Jun 2020, 21:01

      I've managed to get the firmware updated, just had to reinstall it. However the thermistors now show a temperature of '-273.1 C'. @Phaedrux

      undefined 1 Reply Last reply 13 Jun 2020, 21:34 Reply Quote 0
      • undefined
        Phaedrux Moderator @Bewaren
        last edited by 13 Jun 2020, 21:34

        The web interface was updated along with the firmware.

        When you send M98 Pconfig.g now do you get any errors?

        Z-Bot CoreXY Build | Thingiverse Profile

        undefined 1 Reply Last reply 15 Jun 2020, 22:59 Reply Quote 0
        • undefined
          Bewaren @Phaedrux
          last edited by 15 Jun 2020, 22:59

          @Phaedrux

          HTTP is enabled on port 80
          FTP is enabled on port 21
          TELNET is enabled on port 23
          Warning: Heater 0 appears to be over-powered. If left on at full power, its temperature is predicted to reach 365C

          This is what I am getting now, I am also struggling with the smart effector wiring for the thermistor, I am using a PT100 Thermistor, 2 pins but I am trying to figure out which pins I need to connect it too.

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          • undefined
            Phaedrux Moderator
            last edited by 15 Jun 2020, 23:18

            If you're using a PT100 your config is incorrect.

            M308 S1 P"e0temp" Y"thermistor" T100000 B4138      ; configure sensor 1 as thermistor on pin e0temp
            M950 H1 C"e0heat" T1                               ; create nozzle heater output on e0heat and map it to sensor 1
            M307 H1 B0 S1.00                                   ; disable bang-bang mode for heater  and set PWM limit
            

            This is for a thermistor. In the configurator you'd need to choose which channel you have the PT100 connected to.

            Do you have the PT100 daughter board?

            Z-Bot CoreXY Build | Thingiverse Profile

            undefined 2 Replies Last reply 15 Jun 2020, 23:23 Reply Quote 0
            • undefined
              Bewaren @Phaedrux
              last edited by 15 Jun 2020, 23:23

              @Phaedrux I do not no, I am using the thermistor provided with the E3D Hotend for the smart effector, I believe it is a PT100, correct? It was a while back since I bought it.

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              • undefined
                Bewaren @Phaedrux
                last edited by 15 Jun 2020, 23:47

                @Phaedrux I have pins T3 - T4 wired up, is that correct?

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                • undefined
                  Phaedrux Moderator
                  last edited by 15 Jun 2020, 23:48

                  I'm not sure what you bought. 😀

                  To use a pt100 you'll need the pt100 daughter board.

                  Z-Bot CoreXY Build | Thingiverse Profile

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                  • undefined
                    Phaedrux Moderator
                    last edited by 15 Jun 2020, 23:48

                    Can you post some photos?

                    Z-Bot CoreXY Build | Thingiverse Profile

                    undefined 2 Replies Last reply 15 Jun 2020, 23:55 Reply Quote 0
                    • undefined
                      Bewaren @Phaedrux
                      last edited by 15 Jun 2020, 23:55

                      @Phaedrux alt text20200616_005347.jpg 20200616_005354.jpg

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                      • undefined
                        Bewaren @Phaedrux
                        last edited by 15 Jun 2020, 23:56

                        @Phaedrux Hope these help

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                        • undefined
                          Bewaren
                          last edited by 15 Jun 2020, 23:57

                          The wiring it a little messy at the moment, please excuse it xD

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                          • undefined
                            Phaedrux Moderator
                            last edited by 16 Jun 2020, 00:06

                            Well we need to verify what sensor you are actually using. Is it a thermistor or PT100. If it's a PT100 you will need the daughter board before you can use it.

                            Z-Bot CoreXY Build | Thingiverse Profile

                            undefined 1 Reply Last reply 16 Jun 2020, 00:09 Reply Quote 0
                            • undefined
                              Bewaren @Phaedrux
                              last edited by 16 Jun 2020, 00:09

                              @Phaedrux 20200616_010917.jpg

                              This is the thermistors or PT100 I am using, not sure if it helps identify it

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                              • undefined
                                Phaedrux Moderator
                                last edited by Phaedrux 16 Jun 2020, 00:19

                                I believe the E3D PT100s use red wires and the thermistors are blue. But I'm not sure if that's a hard rule, but I think that's generally the case.

                                https://e3d-online.com/collections/printer-parts-electrical/products/thermistor-cartridge
                                https://e3d-online.com/collections/printer-parts-electrical/products/pt100-temperature-sensor

                                You should try to verify with your invoice or email confirmation from your purchase to be sure.

                                You'll need a daughter board to be able to read the PT100.
                                https://duet3d.dozuki.com/Wiki/Connecting_PT100_temperature_sensors

                                https://e3d-online.com/products/pt100-daughterboard-for-duet-wifi?_pos=4&_sid=8859bba4b&_ss=r

                                Z-Bot CoreXY Build | Thingiverse Profile

                                ? 1 Reply Last reply 16 Jun 2020, 00:27 Reply Quote 0
                                • undefined
                                  Bewaren
                                  last edited by 16 Jun 2020, 00:22

                                  Alright I can confirm it's a PT100, found the invoice. I will get one ordered asap.

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                                  • undefined
                                    Phaedrux Moderator
                                    last edited by 16 Jun 2020, 00:27

                                    Glad we got that sorted out. Once you have the daughterboard installed and connected you'll need to make a change to your temp sensor config to point to the PT100.

                                    M308 S1 P"spi.cs1" Y"rtd-max31865"             ; configure sensor 1 as thermocouple via CS pin spi.cs1
                                    M950 H1 C"e0heat" T1                           ; create nozzle heater output on e0heat and map it to sensor 1
                                    M307 H1 B0 S1.00                               ; disable bang-bang mode for heater  and set PWM limit
                                    

                                    Z-Bot CoreXY Build | Thingiverse Profile

                                    undefined 1 Reply Last reply 12 Jul 2021, 22:43 Reply Quote 0
                                    • ?
                                      A Former User @Phaedrux
                                      last edited by 16 Jun 2020, 00:27

                                      You should try to verify with your invoice or email confirmation from your purchase to be sure.

                                      suppose its still possible they could have shipped the wrong one, to be sure use a multimeter and measure the resistance at room temperature; PT100 should be about 100 ohm, and PT1000 should be about 1000 ohm.

                                      (Techincally PT100 is 100 ohm at 0°C and closer to 110 at room temperature, and 1100 ohm for PT1000)

                                      undefined 1 Reply Last reply 16 Jun 2020, 00:33 Reply Quote 0
                                      • undefined
                                        Bewaren @A Former User
                                        last edited by 16 Jun 2020, 00:33

                                        @bearer comes back at 109 ohm

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                                        • undefined
                                          sg2020 @Phaedrux
                                          last edited by 12 Jul 2021, 22:43

                                          @phaedrux I was also trying to get my E3D PT100 sensor to work and your code helped. Could you explain why this works? Why does it need p"spi.cs1"? why is it configuring the sensor 1 as a thermocouple?

                                          undefined 1 Reply Last reply 13 Jul 2021, 03:21 Reply Quote 0
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