G1 H1 X-355 F3000 does not work as expected

spllg

G1 H1 X-355 F3000 stops movement before reaching endstop when y < ~100. this makes homing unreliable.

what can i do to get this fixed? (except homing y first and move to y > ~200)

y does not suffer from this.

when properly homed x can be moved anywhere without any issues.

hw: duet 3 6hc rev 1.0
sw: FIRMWARE_NAME: RepRapFirmware for Duet 3 MB6HC v0.6 or 1.0 FIRMWARE_VERSION: 3.0beta12 ELECTRONICS: Duet 3 MB6HC FIRMWARE_DATE: 2019-11-02b1

conf: corexy printer

regards, gsp

jay_s_uk

@spllg how big is your printer?
Try increasing the -350 to a larger number. I use -999 in mine which is larger than my print size.

dc42

Please upgrade your firmware to 3.0RC2.

spllg

@dc42 upgrading to 3.0RC2 made things worse:

after an initial failed x-home (from x=100,y=0, g1 h1 premature stopped at invisible endswitch) a subsequent x-home attempt (null-effect) did not terminate
after a successful x-home from (x=100,y=120) a z-home caused one spindle to move upwards while the other spindle did not move (dual z-steppers) resulting in a very ugly noise.

reverted to 3.0beta12

spllg

@jay_s_uk already have tried this - could not observe any change

spllg

@dc42 i feel, the problem might be related to micro step configuration as the y-threshold changes when i change micro step configuration (using m350 xnn ynn)

A Former User

@spllg said in G1 H1 X-355 F3000 does not work as expected:

@dc42 i feel, the problem might be related to micro step configuration as the y-threshold changes when i change micro step configuration (using m350 xnn ynn)

don't recall the specifics, but changes to microstepper or steps/mm after the other will affect the former. I.e. the order matters. show your config and I'm sure someone will spot any issues there.

Danal

Yes, please post your entire config.g

spllg

@Danal here it is

; General preferences
G90 ; send absolute coordinates...
M83 ; ...but relative extruder moves
M550 P"3dd" ; set printer name

M667 S1 ; select CoreXY mode

; Drives
M569 P0.0 S1 ; physical drive 0.0 goes forwards ; XY - right
M569 P0.1 S1 ; physical drive 0.1 goes forwards ; XY - left
M569 P0.2 S1 ; physical drive 0.2 goes forwards ; Zr
M569 P0.3 S1 ; physical drive 0.3 goes forwards ; Zl
M569 P0.4 S0 ; physical drive 0.3 goes forwards ; E0

;M584 X0.0 Y0.1 Z0.2 E0.3 ; set drive mapping
;M584 X0.0 Y0.1 Z0.3 E0.3 ; set drive mapping
M584 X0.0 Y0.1 Z0.2:3 E0.4 ; set drive mapping

M350 X16 Y16 Z16 E16 I1 ; configure microstepping with interpolation
M92 X200.00 Y200.00 Z400.00 E420.00 ; set steps per mm

M566 X900.00 Y900.00 Z12.00 E120.00 ; set maximum instantaneous speed changes (mm/min)
M203 X12000.00 Y12000.00 Z3000.00 E3600.00 ; set maximum speeds (mm/min)

M201 X500.00 Y500.00 Z25.00 E250.00 ; set accelerations (mm/s^2)
M906 X800 Y800 Z800 E800 I30 ; set motor currents (mA) and motor idle factor in per cent
M84 S30 ; Set idle timeout

; Axis Limits
M208 X-26 Y0 Z0 S1 ; set axis minima
M208 X280 Y300 Z340 S0 ; set axis maxima

; Endstops
M574 X1 S1 P"io3.in" ; configure active-low endstop for low end on X via pin io3.in
M574 Y1 S1 P"io4.in" ; configure active-low endstop for low end on Y via pin io4.in
M574 Z1 S1 P"io5.in" ; configure active-low endstop for low end on Z via pin io5.in

; bed leveling
;M671 X50:150 Y150:150 S0.5 ; leadscrews at left (connected to Z) and right (connected to E1) of X axis

; ???
;M558 P1 C"io5.in" H5 F120 T6000 ; disable Z probe but set dive height, probe speed and travel speed

; Z-Probe ( https://duet3d.dozuki.com/Wiki/Gcode#Section_M558_Set_Z_probe_type )
;M558 P0 H5 F120 T6000 ; disable Z probe but set dive height, probe speed and travel speed
;M557 X15:215 Y15:195 S20 ; define mesh grid

M308 S0 P"temp0" Y"thermistor" T100000 B4138 ; configure sensor 0 as thermistor on pin temp0
M308 S1 P"temp1" Y"thermistor" T100000 B4138 ; configure sensor 1 as thermistor on pin temp1

; 2DO: fix and all below
; Heaters
M950 H0 C"out0" T0 ; create bed heater output on out0 and map it to sensor 0
M143 H0 S110 ; set temperature limit for heater 0 to 120C
M307 H0 B1 S1.00 ; enable bang-bang mode for the bed heater and set PWM limit
M140 H0 ; map heated bed to heater 0

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 the nozzle heater and set PWM limit

; Fans
M950 F0 C"out4" Q500 ; create fan 0 on pin out3 and set its frequency
M106 P0 H-1 ; set fan 0 value. Thermostatic control is turned off
;M106 P0 S0 H-1 ; set fan 0 value. Thermostatic control is turned off
M950 F1 C"out5" Q500 ; create fan 1 on pin out4 and set its frequency
M106 P1 S0 H-1 ; set fan 0 value. Thermostatic control is turned off
;M106 P1 S1 H1 T45 ; set fan 1 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

; Miscellaneous
M501 ; load saved parameters from non-volatile memory
M911 S10 R11 P"M913 X0 Y0 G91 M83 G1 Z3 E-5 F1000" ; set voltage thresholds and actions to run on power loss

deckingman

@spllg The Z movement issue might be caused by this M584 X0.0 Y0.1 Z0.2:3 E0.4 which ought to be M584 X0.0 Y0.1 Z0.2:0.3 E0.4. Also, strictly speaking M667 is deprecated so M667 S1 ought to be M669 K1.

It might be an idea if you post your homing files too.

spllg

@deckingman changing the 2 suggested lines solved both issues - x-homing now works fine using 3.0RC2

thanks a lot