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    Tevo black widow compatibility

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    Duet Hardware and wiring
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    • guss67undefined
      guss67
      last edited by

      Hi, im looking forward to upgrade my Tevo Black Widow with a Duet Wifi, but before that i just want to ensure what i will need to make work,
      Will it be just "plug & play" or i will need to make some configurations?

      Printers PSU outputs 24V, and it powers up 2x 12cm fans for the electronics case, 1x extruder E3d with its own fan & 2 blowers, the current main board and one mosfet for the bed.

      schematic/diagram of all electronics connections
      https://www.dropbox.com/s/lzvn3xznh005hlr/Photo%2026-02-17%2014%2030%2012.jpg?dl=0

      My questions are:
      1. will it work with the stock endstop sensor
      2. with stock motors
      3. with the mosfet
      4. with the display controller with the SD card reader (i know that Duet has micro SD slot on it but wonder if i can use the current SD card reader of the display controller or to extend the duet SD card reader cause it doesn't seems to be practical for easy access).
      5. ?maybe i forgot something

      I understand after installing the duet board i will need to calibrate the hotend, feeder, all axis and etc. but what about the firmware?

      If anyone has already use it on a Black Widow let me know by sharing a few tips and the experience through the installation and after.

      Thank you in advance

      1 Reply Last reply Reply Quote 0
      • tjb1undefined
        tjb1
        last edited by

        1. Yes, use diodes as described here - https://duet3d.dozuki.com/Wiki/Connecting_a_Z_probe#Section_NPN_output_normally_open_inductive_or_capacitive_sensor
        2. Yes, stock motors work fine.
        3. You can use the mosfet if you want, but it's not needed.
        4. The stock display will not work with Duet unless you do the code for it yourself, the web interface (DWC) is very nice and works on tablets as well.
        5. Duet has (3) PWM fan headers and (2) always on fan headers

        You will need to set the firmware up yourself. I have a partially completed config but I've added a real E3D hotend and BLTouch to my Black Widow. All motors are configured so the key on the plug is against the key on the Duet.

        config.g

        ; Configuration file for Duet WiFi (firmware version 1.20 or newer)
        ; executed by the firmware on start-up
        ;
        ; generated by RepRapFirmware Configuration Tool on Sat Mar 03 2018 14:29:05 GMT-0500 (Eastern Standard Time)
        
        ; General preferences
        G90                                       ; Send absolute coordinates...
        M83                                       ; ...but relative extruder moves
        
        ; Network
        M550 P"Black Widow"                       ; Set machine name
        M552 S1                                   ; Enable network
        M587 S"NETWORKNAMEHERE" P"NETWORKPASSWORDHERE"        ; Configure access point. You can delete this line once connected
        M586 P0 S1                                ; Enable HTTP
        M586 P1 S0                                ; Disable FTP
        M586 P2 S0                                ; Disable Telnet
        
        ; Drives
        M569 P0 S1                                ; Drive 0 goes forwards X
        M569 P1 S0                                ; Drive 1 goes backwards Y
        M569 P2 S0                                ; Drive 2 goes backwards Z
        M569 P3 S1                                ; Drive 3 goes forwards E
        
        M350 X16 Y16 Z16 E16 I1                   ; Configure microstepping with interpolation
        M92 X80 Y80 Z1600 E427                    ; Set steps per mm for 16x microstepping
        M566 X900 Y900 Z12 E10                   ; Set maximum instantaneous speed changes (mm/min)
        M203 X6000 Y6000 Z500 E1200               ; Set maximum speeds (mm/min)
        M201 X500 Y150 Z300 E200                  ; Set accelerations (mm/s^2)
        M906 X1050 Y1050 Z1300 E1050 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 X335 Y260 Z250 S0                    ; Set axis maxima
        
        ; Endstops
        M574 X1 Y1 S0                             ; Set active low endstops
        M574 Z1 S2                                ; Set endstops controlled by probe
        M557 X0:335 Y45:260 S20                   ; Define mesh grid
        
        ; Heaters
        M301 H0 S1.00 P32.6 I1.360 D79.4 T0.4 W180 B30 ; Use PID on bed heater (may require further tuning)
        M305 P0 T100000 B4138 C0 R4700            ; Set thermistor + ADC parameters for heater 0
        M143 H0 S80                               ; Set temperature limit for heater 0 to 80C
        M305 P1 T100000 B4725 C7.060000e-8 R4700  ; Set thermistor + ADC parameters for heater 1
        M143 H1 S240                              ; Set temperature limit for heater 1 to 220C
        
        ; Fans
        M106 P0 S0 I0 F500 H-1                    ; Set fan 0 value, PWM signal inversion and frequency. Thermostatic control is turned off
        M106 P1 S1 I0 F500 H1 T100                ; Set fan 1 value, PWM signal inversion and frequency. Thermostatic control is turned on
        M106 P2 S0 I0 F500 H-1                    ; Set fan 2 value, PWM signal inversion and frequency. Thermostatic control is turned off
        
        ; Tools
        M563 P0 D0 H1 F2                          ; 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
        
        ; Automatic saving after power loss is not enabled
        
        ; Custom settings are not configured
        
        M307 H3 A-1 C-1 D-1 ;
        M558 P5 X0 Y0 Z1 H9 F200 T6000
        G31 X-48.8 Y-18.2 Z2.3 P25
        
        ; Miscellaneous
        M501
        T0                                        ; Select first tool
        
        

        homeall.g (Note this is using the BLTouch and NOT one of the stock endstops)

        ; homeall.g
        ; called to home all axes
        ;
        ; Move Z up to start homing axis
        G91                 ; relative positioning
        G1 Z4 F6000 S2      ; lift Z relative to current position, add clearance for probe
        
        ; Home X axis
        G1 S1 X-350 F3000   ; move quickly to X axis endstop and stop there (first pass)
        G1 X5 F6000         ; go back a few mm
        G1 S1 X-350 F360    ; move slowly to X axis endstop once more (second pass)
        
        ; Home Y axis
        G1 S1 Y-275 F3000   ; move quickly to Y axis endstop and stop there (first pass)
        G1 Y5 F6000         ; go back a few mm
        G1 S1 Y-275 F360    ; move slowly to Y axis endstop once more (second pass)
        
        ; Home Z axis
        G90 		    ; back to absolute mode
        G1 X167 Y130 F6000  ; Move head to center of bed
        G30                 ; lower head, stop when probe triggered and set Z to trigger height
        G1 Z5 F400          ; Raise head before going back to X0 Y0
        G1 X0 Y0 F6000      ; Return to X0 Y0
        
        

        homex.g

        ; homex.g
        ; called to home the X axis
        ;
        ; generated by RepRapFirmware Configuration Tool on Sat Mar 03 2018 14:29:04 GMT-0500 (Eastern Standard Time)
        G91               ; relative positioning
        G1 Z1 F6000 S2    ; lift Z relative to current position
        G1 S1 X-350 F1800 ; move quickly to X axis endstop and stop there (first pass)
        G1 X5 F6000       ; go back a few mm
        G1 S1 X-350 F360  ; move slowly to X axis endstop once more (second pass)
        G1 Z-1 F6000 S2   ; lower Z again
        G90               ; absolute positioning
        
        

        homey.g

        ; homey.g
        ; called to home the Y axis
        ;
        ; generated by RepRapFirmware Configuration Tool on Sat Mar 03 2018 14:29:04 GMT-0500 (Eastern Standard Time)
        G91               ; relative positioning
        G1 Z1 F6000 S2    ; lift Z relative to current position
        G1 S1 Y-275 F1800 ; move quickly to Y axis endstop and stop there (first pass)
        G1 Y5 F6000       ; go back a few mm
        G1 S1 Y-275 F360  ; move slowly to Y axis endstop once more (second pass)
        G1 Z-1 F6000 S2   ; lower Z again
        G90               ; absolute positioning
        
        

        homez.g (Note this is using the BLTouch and NOT one of the stock endstops)

        ; homez.g
        ; called to home the Z axis
        ;
        G91 ; relative mode
        G1 Z4 F200 S2 ; raise head 4mm to ensure it is above the Z probe trigger height
        G90 ; back to absolute mode
        G1 X167 Y130 F2000 ; put head over the centre of the bed, or wherever you want to probe
        G30 ; lower head, stop when probe triggered and set Z to trigger height
        G1 Z5\. F400.
        
        
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        • Hey_Allenundefined
          Hey_Allen
          last edited by

          I run my Black Widow on a Duet, but never managed to get the stock proximity sensors to play nicely with the Duet, and so am running a set of mechanical limit switches and a BL-Touch.

          As TJB1 said, the external mosfet isn't required on the Duet, as the bed current draw is within the capacity of the on board mosfet.

          The Duet is also running the stock motors well, and until I got fed up with the noisy fan in the PSU, I was running it on the stock power supply. (I replaced the PSU with a Meanwell SE-600-24 a couple of weeks ago, and while it's not silent, it is quieter, and it stays at one speed instead of erratically ramping up and down.)

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          • Loffy770undefined
            Loffy770
            last edited by

            Im running it with stock proximity sensors and it works perfect.
            No issues what so ever once the connection setup was sorted out to get separate 5v 3,3 wont work. The 5v I took from the expansion slot and sensor signal commes from the normal XY sensor pins.
            Its actually were easy once you understand how to do it… 5v is the key here.

            1 Reply Last reply Reply Quote 2
            • Saltypetzundefined
              Saltypetz
              last edited by Saltypetz

              Do you have this working 100% mine is the same and the setting I can't it working. X home Y home Z moves to middle and stops. I updated to new BLTouch setting and it still will not work.

              Thank you for your help.

              I have 2 rambo boards you can call and they will help. This board is hard.

              If is very hard to get help here.

              1 Reply Last reply Reply Quote 0
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