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    Bltouch z height offset problem

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    • akrepsianka
      akrepsianka last edited by

      Hello
      i am following this forum since long time but first time i open a treat.
      i builded my own 3d printer and i am trying to make it run for the first time. (its very similar like CREALITY CR-10 S4)
      i have installed bltouch and its working fine.
      my only problem is i am trying to set z height offset but what ever i enter it dosent change anything and nozzle is always on the air.
      This treat may be opened before but i couldnt find it

      below is my config file and bedg file

      ; Configuration file for Duet WiFi (firmware version 1.17)
      ; executed by the firmware on start-up
      ;
      ; generated by RepRapFirmware Configuration Tool on Sun Oct 01 2017 12:43:57 GMT+0300 (Turkey Standard Time)

      ; General preferences
      M111 S0 ; Debugging off
      G21 ; Work in millimetres
      G90 ; Send absolute coordinates…
      M83 ; ...but relative extruder moves
      M555 P2 ; Set firmware compatibility to look like Marlin
      M208 X0 Y0 Z0 S1 ; Set axis minima
      M208 X380 Y380 Z470 S0 ; Set axis maxima

      ; Endstops
      M574 X1 Y1 S0 ; Define active high microswitches
      M557 X50:330 Y50:330 S40 ; Define mesh grid

      ; BL-Touch
      M307 H3 A-1 C-1 D-1 ; reserve pin 21 for M42 or servo use
      M558 P4 X0 Y0 Z1 H3 F200 T5000
      G31 P25 X35 Y0 Z3.5 ; Set Z probe trigger value, offset and trigger height

      ; Drives
      M569 P0 S0 ; Drive 0 goes forwards
      M569 P1 S0 ; Drive 1 goes forwards
      M569 P2 S1 ; Drive 2 goes forwards
      M569 P3 S1 ; Drive 3 goes forwards
      M350 X32 Y32 Z32 E32 I1 ; Configure microstepping with interpolation
      M92 X199 Y160 Z3197 E860 ; Set steps per mm
      M566 X900 Y900 Z24 E300 ; Set maximum instantaneous speed changes (mm/min)
      M203 X13500 Y13500 Z180 E2400 ; Set maximum speeds (mm/min)
      M201 X1000 Y1000 Z100 E1000 ; Set accelerations (mm/s^2)
      M906 X1800 Y1800 Z1500 E1000 I30 ; Set motor currents (mA) and motor idle factor in per cent
      M84 S30 ; Set idle timeout

      ; Heaters
      M143 S260 ; Set maximum heater temperature to 260C
      M305 P0 T100000 B3950 C0 R4700 ; Set thermistor + ADC parameters for heater 0
      M305 P1 T100000 B3950 C0 R4700 ; Set thermistor + ADC parameters for heater 1

      ; Tools
      M563 P0 D0 H1 ; 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

      ; Network
      M550 PTEVO ; Set machine name
      M551 Pakrepakrep ; Set password
      M552 S1 ; Enable network
      M587 SBosas-Laboratuvar P"B0s4A4s1234" ; 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

      ; 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 T50 ; Set fan 1 value, PWM signal inversion and frequency. Thermostatic control is turned on

      ; Custom settings are not configured

      ; Miscellaneous
      M501 ; Load saved parameters from non-volatile memory

      BED G

      ; bed.g
      ; called to perform automatic bed compensation via G32
      ;
      ; generated by RepRapFirmware Configuration Tool on Sun Oct 01 2017 12:43:04 GMT+0300 (Turkey Standard Time)

      ; Clear any bed transform
      M561

      ; Home all axes
      G28

      ; Deploy the mechanical Z probe
      M98 Pdeployprobe.g

      ; Probe the bed at 5 points
      G30 P0 X50 Y50 H0 Z-99999
      G30 P1 X50 Y330 H0 Z-99999
      G30 P2 X330 Y330 H0 Z-99999
      G30 P3 X330 Y50 H0 Z-99999
      G30 P4 X190 Y190 H0 Z-99999 S
      ; Retract the mechanical Z probe
      M98 Pretractprobe.g

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      • dc42
        dc42 administrators last edited by

        Use the Z parameter in the G31 command to set trigger height; but don't forget that if there is an M501 command in config.g then the value in config-override.g overrides the one in config.g. You can update the one in config-override.g by sending the appropriate G31 command (e.g. G31 Z3.0) followed by M500.

        Duet WiFi hardware designer and firmware engineer
        Please do not ask me for Duet support via PM or email, use the forum
        http://www.escher3d.com, https://miscsolutions.wordpress.com

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        • akrepsianka
          akrepsianka last edited by

          İ just adjusted and its working. İ just wonder can you check my firmware to see if there is a mistake. Mainly i need help in termistor section!

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