Setting bed origin
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I don't know why but I have problems setting my bed origin which should be in the front left corner. Printer is a Corexy with Duet 3 running the latest version. X and Y stop is at min. When I move the nozzle to the front left corner coordinates are X77 Y84. What do I have to do to define this point as 0,0? I already read the "Centering_the_bed_or_setting_the_bed_origin" Wiki guide but for any reason I don't get it to work. I think my brain is just a little bit twisted
config.g
; Configuration file for Duet 3 (firmware version 3) ; executed by the firmware on start-up ; ; generated by RepRapFirmware Configuration Tool v3.1.4 on Mon Aug 10 2020 22:00:49 GMT+0200 (Central European Summer Time) ; General preferences G90 ; send absolute coordinates... M83 ; ...but relative extruder moves M550 P"duet3" ; set printer name M669 K1 ; select CoreXY mode ; Drives ; X:0.0, Y:0.1, E:0.2, Z_left_rear:0.3, Z_left_front:0.4, Z_right:0.5 M569 P0.0 S0 ; physical drive 0.0 goes forwards M569 P0.1 S0 ; physical drive 0.1 goes forwards M569 P0.2 S1 ; physical drive 0.2 goes forwards M569 P0.3 S0 ; physical drive 0.3 goes forwards M569 P0.4 S1 ; physical drive 0.4 goes forwards M569 P0.5 S1 ; physical drive 0.5 goes forwards M584 X0.0 Y0.1 Z0.3:0.4:0.5 E0.2 ; set drive mapping M350 X16 Y16 Z16 E16 I1 ; configure microstepping with interpolation M92 X200.00 Y200.00 Z800.00 E405.18 ; set steps per mm M566 X600.00 Y600.00 Z24.00 E120.00 ; set maximum instantaneous speed changes (mm/min) M203 X18000.00 Y18000.00 Z6000.00 E1200.00 ; set maximum speeds (mm/min) M201 X3000.00 Y3000.00 Z100.00 E5000.00 ; set accelerations (mm/s^2) M906 X1600 Y1600 Z1600 E1600 I30 ; set motor currents (mA) and motor idle factor in per cent M84 S30 ; Set idle timeout ; Three axis setup - leadscrew positions M671 X11:11:426 Y355:51:205 S20 ; Set up three Z-axis location ; Axis Limits M208 X77 Y84 Z0 S1 ; set axis minima M208 X391 Y374 Z400 S0 ; set axis maxima ; Endstops M574 X1 S1 P"io3.in" ; configure active-high endstop for low end on X via pin io3.in M574 Y1 S1 P"io4.in" ; configure active-high endstop for high end on Y via pin io4.in ; Z-Probe M950 S0 C"io7.out" ; create servo pin 0 for BLTouch M558 P9 C"^io7.in" H10 F500 T6000 ; set Z probe type to bltouch and the dive height + speeds G31 P500 X36.47 Y-4 Z1.030 ; set Z probe trigger value, offset and trigger height M557 X70:335 Y55:335 P6:6 ; define mesh grid ; Heaters M308 S0 P"temp1" Y"thermistor" T95000 B3950 ; configure sensor 0 as thermistor on pin temp1 M950 H0 C"out2" T0 ; create bed heater output on out1 and map it to sensor 0 M307 H0 B0 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 P"temp0" Y"thermistor" T500000 B4723 C1.19622e-7 ; configure sensor 1 as thermistor on pin temp0 M950 H1 C"out3" T1 ; create nozzle heater output on out2 and map it to sensor 1 M307 H1 B0 S1.00 ; disable bang-bang mode for heater and set PWM limit ; Fans ;M950 F0 C"out4" Q25000 ; create fan 0 on pin out4 and set its frequency M950 F0 C"!out4+out4.tach" M106 P0 S1 H-1 I1 C"Hotend" ; set fan 0 value. Thermostatic control is turned off M950 F1 C"out5" Q500 ; create fan 1 on pin out5 and set its frequency M106 P1 S0 H-1 C"Bed". ; set fan 1 value. Thermostatic control is turned on M950 F2 C"out6" Q500 ; create fan 2 on pin out6 and set its frequency M106 P2 S0.5 H-1 C"Board" ; set fan 2 value. Thermostatic control is turned off M950 F3 C"out7" Q500 ; create fan 3 on pin out7 and set its frequency M106 P3 S1 H-1 C"SBC" ; set fan 3 value. Thermostatic control is turned off ; Tools M563 P0 S"Hotend" D0 H1 F1 ; 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 M575 P1 S1 B115200 ; enable support for PanelDue M501 ; load saved parameters from non-volatile memory T0 ; select first tool -
when you home, the values are taken from M208.
Your M208 minima value is X77 and Y84. You should change these to X0 Y0 -
@jay_s_uk said in Setting bed origin:
when you home, the values are taken from M208.
Your M208 minima value is X77 and Y84. You should change these to X0 Y0OK thanks, but what's about the offset I have. The bed starts at 77,84 and not at 0,0? Where do I have to set this?
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@MartinNYHC M208 X0 Y0 Z0 S1 instead of M208 X77 Y84 Z0 S1
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@MartinNYHC
If when you home, it is 77mm away from the bed, set the minima as X-77 and then 0 would be at the bed edge. Same as with Y. This is how I deal with it on my machines, although I use centre origin.This of course would throw out all your screw locations etc.
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Got it and it works. Thanks!
