@droftarts Below is the config.g for our machine. T2 is my attempt to copy the suggestions from the link you provided. I have not had a chance to test it though.
; Modix Big-Meter, Duex Expansion, IDEX
; Configuration file for Duet WiFi (firmware version 3.4.5)
; Generated by Modix - Version 3.4.5 Config C
global config_version = "Version 3.4.5 Config C"
global generation = 4 ; generation 4 printer
global printhead = 1 ; Griffin printhead
global printheads = 2 ; dual extruder
global expansion = 1 ; Duex expansion board is installed
global idex = 1 ; idex setup
; for macro commands
global pausetime = 0 ; record pauzing time
global fan_0_speed = 0 ; Used to store the fan0 speed
global fan_1_speed = 0 ; Used to store the fan1 speed
global filamentswitch = 0 ; filament switch disabled (edited)
global changer_count = 0 ; Counter for tool changer continous.
global toolstate = 0 ; used for pauses
; General preferences_________________________________________________________
G90 ; send absolute coordinates...
M83 ; ...but relative extruder moves
M555 P2 ; Set output to look like Marlin
M575 P1 B57600 S1 ; Set auxiliary serial port baud rate and require checksum (for PanelDue)
; Network_____________________________________________________________________
M550 P"Big Meter V4 - IDEX" ; set printer name
;M551 P"MODIX3D" ; Set password (optional)
M98 P"config_networking.g" ; enable network
G4 P300 ; wait 300ms
;M552 P0.0.0.0 ; Uncomment this command for using Duet Ethernet board
; Drives_________________________________________________________________________
;Main board______________________________________________________________________
M569 P0 S1 ; Physical drive 0. X-B-M
M569 P1 S0 ; Physical drive 1. X-F-M
M569 P2 S0 ; Physical drive 2. U Secondary
M569 P3 S1 ; Physical drive 3. E0-Extruder.
M569 P4 S0 ; Physical drive 4. E1-Extruder.
;Duex5 board_____________________________________________________________________
M569 P5 S0 ; Physical drive 5. Y
M569 P6 S1 ; Physical drive 6. Z-Back-Left (ZBL)
M569 P7 S1 ; Physical drive 7. Z-Front-Left (ZFL)
M569 P8 S1 ; Physical drive 8. Z-Front-Right (ZFR)
M569 P9 S1 ; Physical drive 9. Z-Back-Right (ZBR)
;Settings_________________________________________________________
M584 X0:1 Y5 U2 Z6:7:8:9 E3:4 P4 ; Driver mapping
M671 X-185:-185:1068:1068 Y1068:-46:-46:1068 S30 ; Anticlockwise
;___________________________________________________________________
M350 X16 Y16 Z16 U16 E16:16 I1 ; Configure microstepping with interpolation
M92 X80 Y80 U80 Z2000 E417.1:415 ; Set steps per mm
M566 X500 Y500 U500 Z30 E3000:3000 P1 ; Set maximum instantaneous speed changes (mm/min)
M203 X18000 Y18000 U18000 Z400 E6000:6000 ; Set maximum speeds (mm/min)
M201 X3000 Y3000 U3000 Z240 E1000:1000 ; Set accelerations (mm/s^2)
M204 P1000 T3000 ; Set print and travel accelerations (mm/s^2)
M906 X1800 Y1800 U1800 Z1800 E1000:1000 I50 ; Set motor currents (mA) and motor idle factor in per cent
M84 S100 ; Set idle timeout - 100 seconds
; Axis Limits
M208 X0 Y0 U0 Z-2 S1 ; set axis minima
M208 X980 Y1000 Z930 S0 ; set axis maxima
M98 P"config_probe_offset_U.g" ; Load secondary axis offsets
; Endstops
M574 X1 S1 P"duex.e5stop + duex.e6stop" ; configure switch-type (e.g. microswitch) endstop for low end on X via pin e5stop + e6stop
M574 Y1 S1 P"duex.e4stop" ; configure switch-type (e.g. microswitch) endstop for low end on Y via pin e4stop
M574 U2 S1 P"duex.e3stop" ; configure switch-type (e.g. microswitch) endstop for low end on Secondary via pin e3stop
; Automatic Z Offset Calibration____________________________________
M574 Z1 S1 P"!duex.e2stop" ; configure switch-type for Automatic z-offset
; Z-Probe
M558 P9 C"zprobe.in" H4 F180 T12000 A1 R0.5 ; BLTouch probing settings
M950 S0 C"duex.pwm5" ; sets the BLTouch probe
M376 H100 ; Height (mm) over which to taper off the bed compensation
G31 P500 X0 Y32.4 ; BLTouch X and Y offset
M557 X{move.axes[0].min + sensors.probes[0].offsets[0] + 1, move.axes[0].max + sensors.probes[0].offsets[0] - 1} Y{move.axes[1].min + sensors.probes[0].offsets[1] + 1, move.axes[1].max + sensors.probes[0].offsets[1] - 1} P30:10
; The M557 is used to define the mesh grid area. It uses the P parameter to set the amount of probing points. P10:10 would be a 10x10 grid. Supports up to a 21x21 grid.
M98 P"config_probe.g" ; Load the Z-offset from the config_probe.g file
; The Z_offset value is now set in config_probe.g, not in config.g
; Adjust the values there, do not adjust anything here.
; Heaters___________________________________________________________
M140 H-1 ; disable heated bed (overrides default heater mapping)
; Modified Heaters for interfacing with duet controller___________________________________________________________
;M308 S4 P"duex.e4temp" Y"thermistor" T100000 B3950; configure sensor 0 as thermistor on pin temp0
;M308 S4 P"duex.e4temp" Y"thermistor" T100000 B4725 C7.06e-8 ; configure sensor 0 as thermistor on pin temp0
;M950 H4 C"duex.pwm3" T4 ; create bed heater output on out0 and map it to sensor 0
;M307 H4 B1 ; disable bang-bang mode for the bed heater and set PWM limit
;M140 H4 S4 ; map heated bed to heater 0
;M143 H4 S120 ; set temperature limit for heater 0 to 120C
;E0_________________________________________________________________
;M308 S0 P"e0temp" Y"thermistor" T100000 B4725 ; configure sensor 0 as thermistor on pin e0temp
;M308 S0 P"spi.cs1" Y"rtd-max31865" ; Configure sensor 0 as PT100 via the daughterboard
M308 S0 P"e0temp" Y"pt1000" ; Configure sensor 0 as PT1000 on pin e0temp
M950 H0 C"e0heat" T0 ; create nozzle heater output on e0heat and map it to sensor 0
M98 P"PID_tune_E0.g" R1 ; PID calibration
M143 H0 S300 ; set temperature limit for heater 0 to 285C
;E1_________________________________________________________________
;M308 S1 P"e1temp" Y"thermistor" T100000 B4725 ; configure sensor 1 as thermistor on pin e1temp
;M308 S1 P"spi.cs2" Y"rtd-max31865" ; Configure sensor 1 as PT100 via the daughterboard
M308 S1 P"e1temp" Y"pt1000" ; Configure sensor 1 as PT1000 on pin e1temp
M950 H1 C"e1heat" T1 ; create nozzle heater output on e1heat and map it to sensor 1
M98 P"PID_tune_E1.g" R1 ; PID calibration
M143 H1 S300 ; set temperature limit for heater 1 to 285C
; Fans______________________________________________________________
M950 F0 C"fan0" Q500 ; create fan 0 on pin fan0 and set its frequency
M106 P0 S0 H-1 C"Primary blower fan" ; set fan 0 value. Thermostatic control is turned on
M950 F1 C"fan1" Q500 ; create fan 1 on pin fan1 and set its frequency
M106 P1 S0 H-1 C"Secondary blower fan" ; set fan 1 value. Thermostatic control is turned on
M950 F3 C"duex.fan5" Q500 ; create fan 3 on pin fan5 and set its frequency
M106 P3 S255 H0 T45 ; set fan 3 value. Thermostatic control is turned on
M950 F4 C"duex.fan6" Q500 ; create fan 4 on pin fan6 and set its frequency
M106 P4 S255 H1 T45 ; set fan 4 value. Thermostatic control is turned on
; LED______________________________________________________________
M950 F2 C"duex.fan7" Q500 ; create LED on pin fan7 and set its frequency
M106 P2 S0 H-1 C"LED Primary" ; Disable fan channel for LED
M950 F5 C"duex.fan8" Q500 ; create LED ENC on pin fan8 and set its frequency
M106 P5 S0 H-1 C"LED ENC" ; Disable fan channel for LED
M950 F6 C"duex.fan4" Q500 ; create LED Secondary on pin fan4 and set its frequency
M106 P6 S0 H-1 C"LED Secondary" ; Disable fan channel for LED
M106 P5 S255 ; Enclosure LED on by default
M106 P2 S255 ; Secondary LED on by default
M106 P6 S255 ; Primary LED on by default
; Tools______________________________________________________________
;T0_________________________________________________________________
M563 P0 S"E0 Primary" D0 H0 F0 ; define tool 0
G10 P0 X0 Y0 Z0 ; set tool 0 axis offsets
G10 P0 S210 R180 ; set initial tool 0 active and standby temperatures to 210 and 180c by default
;T1_________________________________________________________________
M563 P1 S"E1 Secondary" D1 H1 F1 Y3 ; define tool 1
G10 P1 X0 Y0 Z-3 ; set tool 1 axis offsets
M98 P"config_probe_secondary.g" ; Set secondary Z-Offset
M98 P"config_probe_offset_X.g" ; Set secondary Z-Offset
G10 P1 S210 R180 ; set initial tool 1 active and standby temperatures to 210 and 180c by default
;T2_________________________________________________________________ LZ
M563 P7 S"E3" D0:1 H1:2 Y0:3 ;F1:1 ; tool 2 uses both extruders and hot end heaters, maps X to both X and U, and uses both print cooling fans
G10 P7 X50 Y0 U-50 S0 R0 ; set tool offsets and temperatures for tool 2
M567 P7 E1:1 ; set mix ratio 100% on both extruders
; Automatic power saving____________________________________________
M911 S22.0 R23.5 P"M913 X0 Y0 U0 G91 M83 G1 Z3 E-5 F1000" ; Set voltage thresholds and actions to run on power loss. Power Failure Pause
; Primary hotend Clog detector__________________________________________________
M591 D0 P7 C"e0stop" S1 L3.14 E10 R10:300 ; Clog Detector E0 [Add-On]
;Secondary hotend Clog detector__________________________________________________
M591 D1 P7 C"e1stop" S1 L3.14 E10 R10:300 ; Clog Detector E1 [Add-On]
; Crash detector__________________________________________________
M98 P"setup_crash_detector.g"
; Emergency stop button__________________________________________________
M950 J3 C"ystop" ; create Input Pin 3 on pin ystop to for M581 Command.
M950 J4 C"xstop" ; create Input Pin 4 on pin xstop to for M581 Command.
M581 P3 T0 S1 R0 ; Emergency stop [Add-On]
M581 P4 T0 S1 R0 ; Emergency stop [Add-On]
M955 P0 C"spi.cs2+spi.cs1"