3.4 rc1 1XD Probe problem after update

tom33

Hi,

Since I hace update from 3.4 beta 4 to 3.4 rc1 I have a problem with the probing (G30, G30 S-2,....)

When I start a probe and the endstop his triggered I have a problem with my Z axis, thats create a an error in my encoder

I use duet1XD and external motor with encoder.

I don't understand because G30 works fine with 3.4beta4 but with 3.4beta7 and 3.4rc1 thats create a problem to my driver something have changed ?

; Configuration file for Duet 3 (firmware version 3)
; executed by the firmware on start-up
;
; generated by RepRapFirmware Configuration Tool v3.2.3 on Wed Mar 31 2021 11:16:46 GMT+0200 (heure d’été d’Europe centrale)
;M98 P"/sys/condition2.g"
; General preferences
G90                                                ; send absolute coordinates...
M83                                                ; ...but relative extruder moves
M550 P""  
M451
M929 S3

; Drives
M569 P0 S0                                             ; Drive 0 T0 Extrudeur Gauche
M569 P1 S1                                             ; Drive 1 T1 Extrudeur Droit
M569 P2 S1                                             ; Drive 3 T0 Extrudeur Bobine Gauche
M569 P3 S1                                             ; Drive 3 T0 Extrudeur Bobine Droit
M569 P4 S1                                             ; Drive 4 T1 Montée descente

G4 S1

; set drive mapping
M584 E1:2
M584 A3 B4 C0
M584 P7

M350 E16:16 I1                                         	; configure microstepping without interpolation
M350 A16 B16 C16 I1                        	; configure microstepping with interpolation
M92 A415 B415 C300 E582:582             	; set steps per mm
M566 X500 Y500 Z25 W25 A500 B500 C50 E500:500              ; set maximum instantaneous speed changes (mm/min)
M203 X12000 Y12000 Z1800 W1800 A3600 B3600 C10000 E1200:1200 	; set maximum speeds (mm/min)
M201 X350 Y350 Z50 W50 A500 B500 C500 E500:500            ; set accelerations (mm/s^2)
M906 A1200 B1200 C750 E400:400 I30   	; set motor currents (mA) and motor idle factor in per cent
M84 S0                                                	; Set idle timeout
M913 C100                                               ; Courant moteur Axe C 50%

; Axis Limit
M208 X0:1040 Y0:515 Z0:534.3 W0:534.3 A-10000:10000 B-10000:10000 C-10:10
M671 X0:1040 Y250:250

; Endstops
M574 A0
M574 B0
M574 C2 S1 P"!10.io0.in" 

; Z-Probe
M558 P5 C"!io4.in" H10 F300 T6000                       ; set Z probe type to switch and the dive height + speeds "!io8.in"
G31 P500 X0 Y0 Z-2.725	                                  ; set Z probe trigger value, offset and trigger height
M557 X15:985 Y15:485 S150                                ;define mesh grid

; Bed heater 
M308 S0 P"temp0" Y"thermistor" A"Plateau chauffant" T100000 B4138 C0       ; configure sensor 0 as thermistor on pin temp0
M950 H0 C"out5" T0                                      ; create bed heater output on out0 and map it to sensor 0
M307 H0 B0 R0.334 C356.2 D1.33 S1.00 V24.0                                        ; disable bang-bang mode for the bed heater and set PWM limit
M140 H0                                                 ; map heated bed to heater 0
M143 H0 S120
M570 H0 P60 T10 S120; set temperature limit for heater 0 to 120C

; Tool 0 heater
M308 S1 P"temp1" Y"thermistor" A"E0" T98640 B4632.86 C9.4861662E-08 H0 L0	; Set thermistor
;M307 H1 B0 R1.862 C397.7:397.7 D19.89 S1.00 V24.0
M307 H1 B0 R1.857 C385.6:374.5 D14.06 S1.00 V24.0
M950 H1 C"out1" T1					                    ; Extruder 0 heater
M143 H1 S300 					                        ; Set temperature limit for heater 1 to 300C
M570 H1 P60 T35 S120

;Tool 1 heater
M308 S2 P"temp2" Y"thermistor" A"E1" T98640 B4632.86 C9.4861662E-08 H0 L0      ; configure sensor 2 as thermistor on pin temp2
M307 H2 B0 R1.782 C345.7:345.7 D18.75 S1.00 V24.0
M950 H2 C"out2" T2                                      ; create nozzle heater output on out2 and map it to sensor 2
M143 H2 S300   
M570 H2 P60 T35 S120

;Heat chamber
M308 S3 P"temp3" Y"thermistor" A"Chambre" T100000 B4138 C7.06e-8           ; configure sensor 3 as thermistor on pin temp3
M950 H3 C"out0" T3                                 ; create chamber heater output on out3 and map it to sensor 3
M307 H3 B0 S1.00                                        ; disable bang-bang mode for the chamber heater and set PWM limit
M141 H3                                                 ; map chamber to heater 3
M143 H3 S100                                            ; set temperature limit for heater 3 to 100C
M950 P6 C"out3"

; Tools
M563 P0 S"E0" D0 H1 F0					                ; Define Extruder 0 drive 0 Heater 1 Fan 0
G10 P0 X-10.085 Y-5.075 Z0 C0						                ; Set offset
G10 P0 R0 S0 							                ; Reset initial tool 0 active and standby temperatures to 0C

M563 P1 S"E1" D1 H2 F1                                  ; Define Extruder 1 drive 1 Heater 2 Fan 1
G10 P1 X10.085 Y5.075 Z0 C0                                     ; set tool 1 axis offsets Essais Z offset pour déplacement axe C
G10 P1 R0 S0                                            ; set initial tool 1 active and standby temperatures to 0C

;Filament Monitor
;M591 P3 C"io5.in" S1 D0                                 ; filament monitor connected to E0_stop
;M591 P3 C"io6.in" S1 D0                                 ; filament monitor connected to E0_stop

; Fans
M950 F0 C"10.out1"                                       ; create fan 1 on pin out5 and set its frequency
;M950 F1 C"out8"                                         ; create fan 2 on pin out6 and set its frequency

;Servo
;950 S4 C"io4.out"   ; Servo Montée / Descente
M950 S5 C"io5.out"   ; Servo B0
M950 S7 C"io7.out"   ; Servo B1

;Input
;M950 J0 C"io0.in"      ; Arret d'urgence
;M950 J20 C"35.io0.in"
;M581 T0 P0 S1 R0        ; T0 --> M112 Arret d'urgence
;M581 T0 P20 S1 R0

;M950 J1 C"io1.in"       ; Pause / Play trigger 2.g
;M581 T2 P1 S0 R0        ; T6 --> M25 Pause / Play

;M950 J2 C"io2.in"       ; Pause / Stop trigger 3.g
;M581 T3 P2 S0 R0 	    ; Stop

;M950 J3 C"25.io2.in"    ; Door
;M581 T4 P3 S0 R0        ; Door

;M950 J10 C"!10.io0.in"     ; Detection Outils Impression 3D
;M581 T10 P10 S0 R0        ; Trigger10.g 

;M950 J11 C"!20.io0.in"     ; Detection Outils CNC
;M581 T11 P11 S0 R0        ; Trigger11.g

;Output
;M950 P0 C"20.out0" ; Verrouillage porte
M950 P1 C"10.out0" ;

M150 X0    ; set LED type to NeoPixel and set SPI frequency to 3MHz
M501
; Custom settings are not defined
;M375 P"/sys/_Printer/heightmap.csv"
M376 H25						; bed compensation taper

;global CumulativeTime = 0
;M98 P"0:/macros/myUpTime.g" ; this could be in start.g if doing print time
                                               ; load saved parameters from non-volatile memory
M911 S22.0 R22.5 P"M913 X0 Y0 G91 M83 G1 Z3 E-5 F1000" ;set voltage thresholds and actions to run on power loss
M501

x_pedro_x

@tom33 I second this finding, today while testing 3.4 rc1 I couldn't get reliable reading while probing.
My setup is as follows:

; Drives
M569 P0.0 S0 D3 H50 V50                            ; physical drive 0.0 goes backwards
M569 P0.1 S0 D3 H50 V50                            ; physical drive 0.1 goes backwards
M569 P0.2 S0 D3 H50 V50                            ; physical drive 0.2 goes backwards
M569 P0.3 S1 D3 H50 V50                            ; physical drive 0.3 goes forwards
M569 P0.4 S1 D3 H50 V50                            ; physical drive 0.4 goes forwards
M569 P0.5 S0 D3 H50 V50                            ; physical drive 0.5 goes backwards
M584 X0.3 Y0.4 Z0.2:0.1:0.0 E0.5                 ; set drive mapping
M350 X16 Y16 Z16 E16 I1                              ; configure microstepping with interpolation
M92 X80.00 Y80.00 Z1600.00 E835                         ; set steps per mm
M566 X400.00 Y400.00 Z6.00 E120.00 P1              ; set maximum instantaneous speed changes (mm/min)
M203 X20800.00 Y20800.00 Z1000.00 E3600.00         ; set maximum speeds (mm/min)
M201 X6000.00 Y6000.00 Z3000.00 E3600.00             ; set accelerations (mm/s^2)
M906 X2000 Y2000 Z1200 E800 I20                              ; set motor currents (mA) and motor idle factor in per cent
M84 S30                                            ; Set idle timeout

and my bed.g:

M561 ; clear any bed transform

G30 P0 X5 Y5 Z-99999      ; probe near a leadscrew
G30 P1 X5 Y20 Z-99999     ; probe near a leadscrew
G30 P2 X20 Y5 Z-99999     ; probe near a leadscrew
G30 P3 X230 Y470 Z-99999  ; probe near a leadscrew
G30 P4 X250 Y470 Z-99999  ; probe near a leadscrew
G30 P5 X250 Y450 Z-99999  ; probe near a leadscrew
G30 P6 X270 Y450 Z-99999  ; probe near a leadscrew
G30 P7 X470 Y20 Z-99999   ; probe near a leadscrew
G30 P8 X470 Y5 Z-99999    ; probe near a leadscrew
G30 P9 X450 Y5 Z-99999 S3 ; probe near a leadscrew and calibrate 3 motors

M280 P0 S160              ; clear and reset BL touch
G29 S1                    ; probe the bed and enable compensation

More what i found is that the motor attribution doesn't seem to work properly
while using M584 Z0:0 (and other possible combinations z0:1 or z0:2)
Sometimes I had two motors rotating and some others I had just one, I suspected I had something wrong with the wires but reverting to 3.3 made the printer fully operational without any physical change on the printer.

dc42

@x_pedro_x @tom33 the significant difference between 3.4rc1 (also 3.4beta7) and earlier releases is that in 3.4rc1, when a motor controlled by a CAN-connected board is stopped because and endstop or Z probe is triggered, the slight overshoot that occurs is corrected after a short delay by reversing the motor movement and sending whatever steps are needed. If you are using closed-loop drivers, perhaps they don't handle this situation very well? If so then reducing the speed of the homing or probing move may help.

x_pedro_x

@dc42 Thanks for the quick reply, on my eagerness to post I forgot valuable information:

I'm using a Duet 3 6HC with an SBC
Open loop steppers

In reality it does look like what you explained every now and then the stepper would make a sound like I had mixed the coils (usually after the 2nd probe location, but also on the 3rd) .

dc42

@x_pedro_x please post your complete config.g file so that I can reproduce your setup.

x_pedro_x

@dc42 Hi,

You may find all the files here

Thanks for the help,
Pedro Oliveira

tom33

@dc42 I don't have the problem for the homing just for the probing. And Reduce the acceleration or speed doesn't work for me

dc42

@tom33 @x_pedro_x this has now been fixed. Please try the new expansion board firmware at https://www.dropbox.com/sh/2dt7sbqpx6l74np/AADn4-lpcil1iqnWKkiVri3Ia?dl=0.

x_pedro_x

@dc42 I will have to wait a bit, unfortunately i destroyed my sbc (forgot that the camera link is not hot-plugable) and am waiting for a new one
As soon as i receive it I'll try the FW.

Marcossf

@x_pedro_x @dc42 I think we have the same problem than you, as David said in our post entry. We will test it tomorrow to see if the 3.4RC1+2 solve the issue.

David, do we use all RC1+2 dropbox updated files, or only the one for the 1XD board?

Marcossf

@x_pedro_x Hi Pedro, we've tested with the David's 1LC 3.4rc1+2 files and it's working fine.

tom33

@dc42 I try this today !

x_pedro_x

@dc42 Hi, I tested your files and the homing could be done properly.
Just to confirm I reverted to the public rc1 and the problem happens again, using rc1+2 behaves as expected.
Thanks for the help.