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    DUet 2 FIREDAMAGE by heat bed burning out connectors

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    • bartekpundefined
      bartekp
      last edited by

      HI every one I had accident ,wile my bord had bed connection with hbed soccet and was damaged by lack of connection , I try to repair it but I Mount SSR 40A to push my bed 500x500 but I realy don know what to do because I connect ssr to bed heater on bord and after this accident I have 27volts in ewery position by Hbed on DWC (off ,stanby ,active ) and this setup heat the bed but for maximum ,and is lack of driving hot bed. What to do ??
      Do i can connect somewhere in another place the driving cables for SSR 3-30volts??
      Plese Help
      sorry form my english
      WhatsApp Image 2021-11-10 at 12.25.16 (1).jpeg WhatsApp Image 2021-11-10 at 12.25.16.jpeg WhatsApp Image 2021-11-10 at 12.25.15.jpeg

      ; Configuration file for Duet WiFi (firmware version 3.3)
      ; executed by the firmware on start-up
      ;
      ; generated by RepRapFirmware Configuration Tool v3.3.3 on Mon Oct 04 2021 22:39:47 GMT+0200 (czas środkowoeuropejski letni)

      ; General preferences
      G90 ; send absolute coordinates...
      M83 ; ...but relative extruder moves
      M550 P"My Printer" ; set printer name
      M669 K1 ; select CoreXY mode

      ; Network
      M552 S1 ; enable network
      M586 P0 S1 ; enable HTTP
      M586 P1 S0 ; disable FTP
      M586 P2 S0 ; disable Telnet

      ; Drives
      M569 P0 S1 ; physical drive 0 goes forwards
      M569 P1 S1 ; physical drive 1 goes forwards
      M569 P2 S0 ; physical drive 2 goes forwards
      M569 P3 S1 ; physical drive 3 goes forwards
      M584 X0 Y1 Z2 E3 ; set drive mapping
      M350 Z16 E16 I0 ; configure microstepping without interpolation
      M350 X16 Y16 I1 ; configure microstepping with interpolation
      M92 X80.00 Y80.00 Z400.00 E650.00 ; set steps per mm
      M566 X700.00 Y700.00 Z30.00 E600.00 ; set maximum instantaneous speed changes (mm/min)
      M203 X30000.00 Y30000.00 Z200.00 E600.00 ; set maximum speeds (mm/min)
      M201 X5000.00 Y5000.00 Z30.00 E200.00 ; set accelerations (mm/s^2)
      M906 X800 Y800 Z800 E700 I30 ; set motor currents (mA) and motor idle factor in per cent
      M84 S30 ; Set idle timeout

      ; Axis Limits
      M208 X0 Y0 Z0 S1 ; set axis minima
      M208 X500 Y500 Z600 S0 ; set axis maxima

      ; Endstops
      M574 X1 S1 P"xstop" ; configure active-high endstop for low end on X via pin xstop
      M574 Y1 S1 P"ystop" ; configure active-high endstop for low end on Y via pin ystop
      M574 Z1 S1 P"zstop" ; configure active-high endstop for high end on Z via pin ^zstop

      ; Z-Probe
      M950 S0 C"exp.heater3"
      M558 P9 C"^zprobe.in" H5 F100 T2000
      G31 P500 X30 Y60 Z8 ; set Z probe trigger value, offset and trigger height
      M557 X15:315 Y15:315 S20 ; define mesh grid

      ; Heaters
      M308 S0 P"bedtemp" Y"thermistor" T100000 B4138 ; configure sensor 0 as thermistor on pin bedtemp
      M950 H0 C"bedheat" T0 ; create bed heater output on bedheat and map it to sensor 0
      M307 H0 R0.3 B1 D90 S1.00 ; disable bang-bang mode for the bed heater and set PWM limit
      M140 H0 ; map heated bed to heater 0
      M143 H0 S120 ; set temperature limit for heater 0 to 120C
      M308 S1 R4700 P"e0temp" Y"thermistor" T100000 B4267 C0 ; define E0 temperature sensor
      M950 H1 C"e0heat" T1 ; create nozzle heater output on e0heat and map it to sensor 1
      M307 H1 B0 R5.133 C253.3 D8.83 S1.00 V16.5 ; disable bang-bang mode for heater and set PWM limit
      M143 H1 S280 ; set temperature limit for heater 1 to 280C

      ; Fans
      M950 F0 C"fan0" Q500 ; create fan 0 on pin fan0 and set its frequency
      M106 P0 S0 H-1 ; set fan 0 value. Thermostatic control is turned off
      M950 F1 C"fan1" Q500 ; create fan 1 on pin fan1 and set its frequency
      M106 P1 S1 H1 T45 ; set fan 1 value. Thermostatic control is turned on
      M950 F2 C"fan2" Q500 ; create fan 2 on pin fan2 and set its frequency
      M106 P2 S1 H1 T45 ; set fan 2 value. Thermostatic control is turned on

      ; Tools
      M563 P0 D0 H1 F0 ; define tool 0
      G10 P0 X0 Y0 Z0 ; set tool 0 axis offsets
      G10 P0 R0 S0 ; set initial tool 0 active and standby temperatures to 0C

      ; Custom settings are not defined

      ; Miscellaneous
      T0 ; select first tool

      PCRundefined 1 Reply Last reply Reply Quote 0
      • PCRundefined
        PCR @bartekp
        last edited by

        @bartekp have you solderd the wires to the bed directly??????

        bartekpundefined 1 Reply Last reply Reply Quote 0
        • bartekpundefined
          bartekp @PCR
          last edited by

          @pcr I thing yes I connected one to the ground and seccond to the hbed fuse

          bartekpundefined 1 Reply Last reply Reply Quote 0
          • bartekpundefined
            bartekp @bartekp
            last edited by

            @bartekp its looking up the mosfet is death what to do ?
            can I avoid hotbed mosfet ad connect signal to the ssr for heat bed?

            jay_s_ukundefined 1 Reply Last reply Reply Quote 0
            • jay_s_ukundefined
              jay_s_uk @bartekp
              last edited by

              @bartekp use a fan output for the SSR if you have a spare one

              Owns various duet boards and is the main wiki maintainer for the Teamgloomy LPC/STM32 port of RRF. Assume I'm running whatever the latest beta/stable build is

              bartekpundefined 1 Reply Last reply Reply Quote 0
              • bartekpundefined
                bartekp @jay_s_uk
                last edited by

                @jay_s_uk ok how to use should I made some code to config g?

                jay_s_ukundefined 1 Reply Last reply Reply Quote 0
                • jay_s_ukundefined
                  jay_s_uk @bartekp
                  last edited by jay_s_uk

                  @bartekp

                  M950 H0 C"bedheat" T0 ; create bed heater output on bedheat and map it to sensor 0
                  

                  to

                  M950 H0 C"fan2" T0 ; create bed heater output on bedheat and map it to sensor 0
                  

                  or, as you're using fan2, use e1heat

                  M950 H0 C"e1heat" T0 ; create bed heater output on bedheat and map it to sensor 0
                  

                  Owns various duet boards and is the main wiki maintainer for the Teamgloomy LPC/STM32 port of RRF. Assume I'm running whatever the latest beta/stable build is

                  bartekpundefined 1 Reply Last reply Reply Quote 1
                  • bartekpundefined
                    bartekp @jay_s_uk
                    last edited by

                    @jay_s_uk I have one normally open fan add two controlable

                    bartekpundefined 1 Reply Last reply Reply Quote 0
                    • bartekpundefined
                      bartekp @bartekp
                      last edited by

                      @bartekp this fans I have free , wich i should connect to ssr?

                      e8350781-096e-44ba-84b2-82dcf6e6fcf1-image.png

                      jay_s_ukundefined 1 Reply Last reply Reply Quote 0
                      • jay_s_ukundefined
                        jay_s_uk @bartekp
                        last edited by

                        @bartekp B or C.

                        You'll have to comment out the corresponding line in your config.g though as you currently have fan1 and fan2 assigned to fans

                        Owns various duet boards and is the main wiki maintainer for the Teamgloomy LPC/STM32 port of RRF. Assume I'm running whatever the latest beta/stable build is

                        bartekpundefined 1 Reply Last reply Reply Quote 0
                        • bartekpundefined
                          bartekp @jay_s_uk
                          last edited by

                          @jay_s_uk Works fine Thanks problem solved

                          1 Reply Last reply Reply Quote 0
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