@dc42 with my config any ideas? As far as I've been able to google around seems like the config most are using, but I don't rule out I've done something silly either.

Thanks!

@dc42 sure thing, here it is

;General Setup - RailCore RRF on a SBC for Duet3
G21						;Work in millimetres
G90						;Send absolute coordinates...
M83						;...but relative extruder moves

G4 S2 ;wait for expansion boards to start

; Stepper configuration
;--M569 P0 S0 D3					;Drive 0 X / Rear (On Board)
;--M569 P1 S1 D3					;Drive 1 Y / Front (On Board)
M569 P40.0 S1 T3:3:3:3 					;XD1 Bus: 40 (ClearPath) (X/FRONT)
M569 P41.0 S0 T3:3:3:3			 		;XD2 Bus: 41 (ClearPath) (Y/REAR)
M569 P2 S0 D3					;Drive 2 Z Front Left
M569 P3 S0 D3					;Drive 3 Z Rear Left
M569 P4 S0 D3					;Drive 4 Z Right
M569 P5 S0 D3					;Drive 5 Extruder

;PanelDue 7i
M575 P1 S1 B57600

;Axis configuration
M669 K1						        ;corexy mode
;--ORGM584 X0 Y1 Z2:3:4 E5				;Map X to drive 0 Y to drive 1, Z to drives 2, 3, 4, and E to drive 5
M584 X41.0 Y40.0 Z2:3:4 E5				;Map X to drive XD:Bus 40, Y to drive XD:Bus 41, Z to drives 2, 3, 4, and E to drive 5

;Leadscrew locations
M671 X-10:-10:333  Y22.5:277.5:150 S7.G5

;M350 X16 Y16 Z16 E16 I1				    ;set 16x microstepping for axes with interpolation
M350 Z16 E16 I1				    ;set 16x microstepping for axes with interpolation (ClearPath)
M906 X1300 Y1300 Z1200 E800 I80			;Set motor currents (mA)
M201 X2500 Y2500 Z100 E1500			    ;Accelerations (mm/s^2)
M203 X24000 Y24000 Z900 E3600			;Maximum speeds (mm/min) 
M566 X800 Y800 Z100 E1500			    ;Maximum jerk speeds mm/minute 
M208 X305 Y300 Z315				        ;set axis maxima and high homing switch positions (adjust to suit your machine)
M208 X0 Y0 Z0 S1				        ;set axis minima and low homing switch positions (adjust to make X=0 and Y=0 the edges of the bed)
;M92 X200 Y200 Z1600 E837			    ;steps/mm
;M92 X320 Y320 Z1600 E837			    ;steps/mm (ClearPath)
M92 X80 Y80 Z1600 E837			    ;steps/mm (ClearPath)
;M84 S60                                 ; Set motor idle timeout
 
; End Stops
M574 X1 S1 P"io1.in"				;Map the X endstop to io1.in
M574 Y1 S1 P"io2.in"				;Map the Y endstop to io2.in
 
; Thermistors
M308 S0 P"temp0" Y"thermistor" A"bed_heat" T100000 B4240 H0 L0 		;Bed thermistor - connected to temp0
M308 S1 P"temp1" Y"thermistor" A"e0_heat" T100000 B4725 C7.06e-8 H0 L0	;duet3 e3d thermistor - connected to e0_heat
;M308 S2 P"temp2" Y"thermistor" A"keenovo" T100000 B3950 R4700 C7.06E-8 H0 L0 ; Secondary bed thermistor

M308 S10 P"spi.cs0" Y"dht22" A"Chamber Temp"
M308 S11 P"S10.1" Y"dhthumidity" A"Chamber Hum[%]"

;Define Heaters
M950 H0 C"out3" T0				;Bed heater is on out3
M950 H1 C"out1" T1				;Hotend heater is on out1

;Define Bed
M140 H0
M307 H0 R0.697 K0.224:0.000 D3.32 E1.35 S1.00 B0 		        ;Keenovo duet 3 configuration
M307 H1 R2.158 K0.353:0.000 D5.24 E1.35 S1.00 B0 V23.8	;E3D Hotend  duet 3 configuration


M570 S360					;Hot end may be a little slow to heat up so allow it 180 seconds
M143 S285					;Set max hotend temperature			

; Fans
M950 F0 C"out5"					;Hotend fan on "out5" connector
M106 P0 S255 H1 T50 			;enable thermostatic mode for hotend fan
M950 F1 C"out4"					;Layer fan on "out4" connector
M106 P1 S0 						;Layer Fan

; Tool definitions
M563 P0 D0 H1 F1                       		;Define tool 0
G10 P0 S0 R0                        		;Set tool 0 operating and standby temperatures



;Elucid Probe Z-Probe Larger probe offset = nozzle closer to the bed
M558 P5 C"^io3.in" H5 F600 T7200 A5 S0.01
M376 H5
;G31 P500 X4 Y37 Z7.20
;G31 P500 X4 Y37 Z6.70
G31 P500 X4 Y37 Z6.95

M557 X5:290 Y40:290 S50:43; Bed Probe Locations for G29


T0						           ;select first hot end

Greetings,

Past few days I've been attempting to install my Clearpath servos on my coreXY machine (railcore), which uses a Duet3 6HC and 2x 1XD's for step/direction. I've tried all the suggestions I could find in threads here, but still just getting odd behavior.
Config wise, I moved the XD's to 40 and 41:

M569 P40.0 S1 T3:3:3:3
M569 P41.0 S0 T3:3:3:3
M92 X80 Y80 Z1600 E837

I have the servo's themselves set to 3200 pulses / rev

So now if I turn the printer on, issue
G92 X0 Y0, and then G1 X1 or X10 I get about the given correct steps, at least close enough for rough testing now. So I then attempt to issue a home, doesn't matter if it hits the X or Y end stop, it touches the endstop and then races the end and crashes it into the right side of the printer.

My homeY for example:

G91
G1 Z4 F200 H2
G1 Y-350 F3000 H1
G1 Y4 F600
G1 Y-10 H1
G1 Z-4 F200 H2
G90

So I'm a bit at a loss here, because there are zero X movements in my home Y.

Any ideas?
TIA!