Hello, everyone.
I am trying to configure my Core XY printer.
Configuration:
Duet2 Wifi, Duex2, Firmware 3.01RC11, Four Z Steppers connected to "Drive 0, 1, 2, 3".
End stop of the Z axes is at Z max (bottom). Attached my Config and a Z-Home macro.
The problem is (when running the macro), the four Z-Steppers drive down the bed (+z), but when hitting the frame they don't turn off. The steppers rattle until I stop it manually.
I have already tried different stall detection thresholds between +20 and -64.
Can anyone help me with my problem?
Many thanks in advance.
Z-Home
M400 ; make sure everything has stopped before we make changes
M915 P0:1:2:3 S-64 F0 R0 H400 ; Configure motor stall detection
M574 Z2 S4 ; configure sensorless endstop for high end on Z
M913 Z20 ; reduce motor current to 20%
G91 ; use relative positioning
G1 H1 Z700 F4000 ; move Z 700mm down, stopping at the endstops
G90 ; back to absolute positioning
M400 ; make sure everything has stopped before we reset the motor current
M913 Z100 ; motor currents back to normal
Config
; General preferences
G90 ; send absolute coordinates...
M83 ; ...but relative extruder moves
M550 P"CoreXY" ; set printer name
M667 S1 ; select CoreXY mode
; Drives
M569 P5 S1 ; physical drive 5 goes forwards
M569 P6 S1 ; physical drive 6 goes forwards
M569 P0 S1 ; physical drive 0 goes forwards
M569 P1 S1 ; physical drive 1 goes forwards
M569 P2 S1 ; physical drive 2 goes forwards
M569 P3 S1 ; physical drive 3 goes forwards
M569 P4 S1 ; physical drive 4 goes forwards
M584 X5 Y6 Z0:1:2:3 E4 ; set drive mapping Z = front left, front right, rear left, rear right
M671 X-166.4:166.4:-166.4:166.4 Y-172.525:-172.525:172.525:172.525 ; leadscrews at front left, front right, rear left, rear right
M350 X16 Y16 Z16 E16 I1 ; configure microstepping with interpolation
M92 X160.00 Y160.00 Z400.00 E873.08 ; set steps per mm
M566 X900.00 Y900.00 Z12.00 E120.00 ; set maximum instantaneous speed changes (mm/min)
M203 X6000.00 Y6000.00 Z300.00 E1200.00 ; set maximum speeds (mm/min)
M201 X500.00 Y500.00 Z20.00 E250.00 ; set accelerations (mm/s^2)
M906 X1700 Y1700 Z1300 E1700 I30 ; set motor currents (mA) and motor idle factor in per cent
M84 S30 ; Set idle timeout
; Axis Limits
M208 X-157.6 Y-162.5 Z0 S1 ; set axis minima
M208 X157.6 Y162.5 Z295 S0 ; set axis maxima
; Endstops
M574 X1 S3 ; configure sensorless endstop for low end on X
M574 Y1 S3 ; configure sensorless endstop for low end on Y
M574 Z2 S4 ; configure sensorless endstop for high end on Z
; Z-Probe
M558 P0 H5 F120 T6000 ; disable Z probe but set dive height, probe speed and travel speed
M557 X-150:150 Y-150:150 S20 ; define mesh grid
; Heaters
M308 S0 P"bedtemp" Y"thermistor" T100000 B4138 ; configure sensor 0 as thermistor on pin bedtemp
M950 H0 C"bedheat" T0 ; create bed heater output on bedheat 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"spi.cs1" Y"rtdmax31865" ; configure sensor 1 as thermocouple via CS pin spi.cs1
M950 H1 C"duex.e2heat" T1 ; create nozzle heater output on duex.e2heat 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"duex.fan3" Q500 ; create fan 0 on pin duex.fan3 and set its frequency
M106 P0 C"Pump" S0 H-1 ; set fan 0 name and value. Thermostatic control is turned off
M950 F1 C"duex.fan4" Q500 ; create fan 1 on pin duex.fan4 and set its frequency
M106 P1 C"120mm Fan" S1 H1 T45 ; set fan 1 name and value. Thermostatic control is turned on
M950 F2 C"duex.fan5" Q500 ; create fan 2 on pin duex.fan5 and set its frequency
M106 P2 C"Part Cooling" S1 H-1 ; set fan 2 name and value. Thermostatic control is turned off
; Tools
M563 P0 S"Hotend" D0 H1 F2 ; 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