Hi All,

I have a Duet 3 running reprap 3.1.1 with a BLTouch version 3.1. I am not able to get the probe to deploy when I am trying to home the machine. However, I can manually deploy the probe (M280 P0 S10) and it will stop the Z-axis at the correct point. I am also able to retract the probe with (M280 P0 S90), and it will run the self test (M280 P0 S120). The probe will power on self test through the extended cable (about 4 ft) when attached to 5V and Ground. This leads me to believe that the BLTouch is fine.

However, when I try to send the M401/M402 commands the device does nothing at all. I have created the deployprobe.g and retractprobe.g files in both the system folder and macros folder. They were first located in the system folder, then I later added them to the macros folder. This did not help at all, except when I run the macros directly they will deploy and retract the probe correctly.

So this leads me to believe that there is some sort of bug in the firmware where it is not finding the deploy and retract probe files, and triggering them correctly. Is there some sort of log file that I can examine to see if there are errors?

OK, I just found the problem, and I am going to go ahead and post this just in case if someone else runs into this problem.

So here it is, when I was ready to upload the config files, I noticed that I had a comma instead of a period in the deployprobe.g file name. So it would be nice if the console would show a warning/error if it can't find the the probe files.

Thanks for responding. This is a BL Touch mount for my printer.

CFFFP_tronxy_hotend_mount_bltouch.gcode

I'm a noob to 3D printing, but I can't figure out why my printer (Tronxy X5SA-Pro stock with Duet 3) is printing so slow. I checked the M203 line and the values are the same as another forum member. If someone can tell me what I did wrong here, I would appreciate it.

Thanks

; Configuration file for Duet 3 (firmware version 3)
; executed by the firmware on start-up
;
; generated by RepRapFirmware Configuration Tool v2.1.8 on Mon May 25 2020 02:12:03 GMT-0400 (EDT)

; General preferences
G90                                          ; send absolute coordinates...
M83                                          ; ...but relative extruder moves
M550 P"Tronxy X5SA Pro"                      ; set printer name

M667 S1                                      ; select CoreXY mode

; Network
M552 P0.0.0.0 S1                             ; enable network and acquire dynamic address via DHCP
M586 P0 S1                                   ; enable HTTP
M586 P1 S0                                   ; disable FTP
M586 P2 S0                                   ; disable Telnet

; Drives
M569 P0.0 S1                                 ; physical drive 0.0 goes forwards
M569 P0.2 S1                                 ; physical drive 0.2 goes forwards
M569 P0.3 S0                                 ; physical drive 0.3 goes backwards
M569 P0.5 S0                                 ; physical drive 0.3 goes backwards
M569 P0.1 S1                                 ; physical drive 0.1 goes forwards
M584 X0.0 Y0.2 Z0.3:0.5 E0.1                 ; set drive mapping
; Dual-Z
; Leadscrew positions: The measurement is taken from X=0, Y=0. Therefore X will be negative, Y positive and middle of bed = 165
M671 X-90:420 Y165:165 S2.0                  ; Leadscrews at middle left and middle right (S is max correction value)

M350 X16 Y16 Z16 E16 I1                      ; configure microstepping with interpolation
M92 X80.00 Y80.00 Z400.00 E400.0             ; set steps per mm
M566 X600.00 Y600.00 Z12.00 E120.00          ; set maximum instantaneous speed changes (mm/min)
M203 X18000.00 Y18000.00 Z180.00 E1500.00    ; set maximum speeds (mm/min)
M201 X3000.00 Y3000.00 Z100.00 E10000.00     ; set accelerations (mm/s^2)
M906 X950 Y950 Z950 E950 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 X330 Y330 Z400 S0                       ; set axis maxima

; Endstops
M574 X1 S1 P"!io0.in"                        ; configure active-high endstop for low end on X via pin !io0.in
M574 Y1 S1 P"!io2.in"                        ; configure active-high endstop for low end on Y via pin !io2.in
M574 Z1 S2                                   ; configure Z-probe endstop for low end on Z

; Z-Probe
M558 P1 C"!io3.in" H5 F120 T6000             ; set Z probe type to unmodulated and the dive height + speeds
G31 P500 X-38 Y-15 Z1.96                     ; set Z probe trigger value, offset and trigger height
M557 X20:300 Y20:310 S20                     ; define mesh grid

; Heaters
M308 S0 P"temp0" Y"thermistor" T100000 B4138 ; configure sensor 0 as thermistor on pin temp0
M950 H0 C"out0" T0                           ; create bed heater output on out0 and map it to sensor 0
M143 H0 S120                                 ; set temperature limit for heater 0 to 120C
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
M308 S1 P"temp1" Y"thermistor" T100000 B4138 ; configure sensor 1 as thermistor on pin temp1
M950 H1 C"out1" T1                           ; create nozzle heater output on out1 and map it to sensor 1
M143 H1 S280                                 ; set temperature limit for heater 1 to 280C
M307 H1 B0 S1.00                             ; disable bang-bang mode for heater  and set PWM limit

; Fans
M950 F0 C"out7" Q500                         ; create fan 0 on pin out7 and set its frequency
M106 P0 C"Part Fan" S0 H-1                   ; set fan 0 name and value. Thermostatic control is turned off
M950 F1 C"out8" Q500                         ; create fan 1 on pin out8 and set its frequency
M106 P1 C"Extruder Fan" S1 H1 T45            ; set fan 1 name and 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
M501

I just ran into the same problem. I am trying to probe my bed. It looks like the probing is using the probe location for coordinates on the minimal side, but then uses the print head location on the maximal size, and it will skip the last probe.

The G30 command would probe outside of the print boundaries.

It seems like bed leveling should always use the probe location when determining where it is probing and whether it is out of bounds or not.

OK, I figured it out, I needed to update the homez.g and homeall.g files with the following line:

G1 X50 Y25 F6000 ; go to first probe point

I have a Duet 3, with an unmodified Tronxy X5SA Pro, and I have all of the stepper motors moving in the right directions, and the Z-Probe sensor seems to work. However, when I try to do an initial z-home, the carriage will not move in to where it can detect the bed, and therefore will bury the head down into the print-bed, if I don't stop it.

Here are my settings related to the z-probe. Any guidance would be appreciated.

; Axis Limits
M208 X30 Y20 Z0 S1                             ; set axis minima, I tried tweaking these but it did not work
M208 X330 Y330 Z400 S0                       ; set axis maxima

; Endstops
M574 X1 S1 P"!io0.in"                        ; configure active-high endstop for low end on X via pin !io0.in
M574 Y1 S1 P"!io2.in"                        ; configure active-high endstop for low end on Y via pin !io2.in
M574 Z1 S2                                   ; configure Z-probe endstop for low end on Z

; Z-Probe
M558 P1 C"!io3.in" H5 F120 T6000             ; set Z probe type to unmodulated and the dive height + speeds
G31 P500 X40 Y10 Z2.5                          ; set Z probe trigger value, offset and trigger height, was X-30, Y-10, but that was no good as well
M557 X15:215 Y15:195 S20                     ; define mesh grid

Thanks

Not sure where to report bugs/features for the reprap configuration website. I have two z-steppers on a Duet 3 on separate drivers, there is not a way to configure the second z-motor.

When you click on the add drive icon on the io mapping page, it will only allow additional extruders to be defined.

I would like to keep all my configuration work done through that page, but now I have to make my changes on the web site, then replace the drives section with my previous values.

Please fix. Thanks