U Axis Max Endstop (RADDS)

  • Hello, I am a new RRF user trying to install and configure RRF for my custom independent dual x axis 3d printer. I am stuck on trying to figure out where to wire the U axis endstop and how to get RRF to recognize it. I have tried plugging the end stop into every single min and max endstop pin on radds minus the ones being used(x min and y min). Where do I wire the U max endstop to on RADDS and what do I have to do in the config to map the U axis endstop to wherever it is plugged in? I have attached my config.g for reference Thanks!

    ; Movement section
    M569 P0 S0 R1                          	; Drive 0 goes forwards (change to S0 to reverse it)
    M569 P1 S0 R1                         	; Drive 1 goes forwards
    M569 P2 S1 R1                         	; Drive 2 goes forwards
    M569 P3 S1 R1                         	; Drive 3 goes forwards
    M569 P4 S1								; Drive 4 goes forwards
    M569 P5 S1                          	; Drive 5 goes forwards
    M584 X0 Y1 Z2 U3 E4:5               	; Create U axis for second X carriage before we try to configure it
    M574 X1 Y1 U2 Z0 S0                 	; Set endstop configuration (X and Y endstops at low end, U endstop at high end, active high, no Z endstop)
    M201 X1500 Y1500 U1500 Z15 E10000      	; Accelerations (mm/s^2)
    M203 X15000 Y15000 U15000 Z100 E3600	; Maximum speeds (mm/min)
    M566 X6000 Y6000 U6000 Z300 E3000     	; Minimum speeds mm/minute
    M208 X220 Y220 U220 Z200				; set axis maxima (adjust to suit your machine)
    M208 X0 Y0 U0 Z-0.2 S1					; set axis minimum (adjust to make X=0 and Y=0 the edge of the bed)
    M92 X640 Y1280 U1280 Z800				; Set axis steps/mm
    M92 E775:775                       		; Set extruder steps per mm
    G21                                 	; Work in millimetres
    G90                                 	; Send absolute coordinates...
    M83                                 	; ...but relative extruder moves
    ; Z probe section
    M558 P1 X0 Y0 Z1 H3 F20 T3600			; Smart IR Z probe, used for homing Z axis, dive height 3mm, probe speed 200mm/min, travel speed 5000mm/min
    G31 X20 Y20 Z1 P500           			; Set the probe height and threshold (put your own values here)
    ; Heater and thermistor section
    M305 P0 T100000 R4700 H0 L0				; Put your own H and/or L values here to set the bed thermistor ADC correction
    M305 P1 T100000 R4700 H0 L0				; Put your own H and/or L values here to set the first nozzle thermistor ADC correction
    M305 P2 T4700 R4700 H0 L0				; Put your own H and/or L values here to set the second nozzle thermistor ADC correction
    M301 H1 P10 I0.10 D100 T0.50 S1.0		; PID settings for extruder 0
    M301 H2 P10 I0.10 D100 T0.50 S1.0		; PID settings for extruder 1
    M570 S120								; Increase to allow extra heating time if needed
    ; Tool definition section
    M563 P0 D0 H1 F1                       	; Define tool 0 to use extruder drive 0 and heater 1
    M563 P1 D1 H2 X3 F2                    	; Define tool 1 to use extruder drive 1 and heater 2
    G10 P0 X0 Y0 Z0 S0 R0      				; set tool 0 offsets and temperatures
    G10 P1 Y0 U0 Z0 S0 R0      				; set tool 1 offsets and temperatures

  • administrators

    The Pins_RADDS file in github shows that endstop 3 is Arduino Due pin 39. The RADDS documentation should identify which physical pin on the RADDS board that is.


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