Can anyone help me with this knundrum... Not exactly sure how to set up the bltouch and dual z axis on the duet 3 from the currently released documentation. Any feedback would be much appreciated! https://github.com/murtagh1/Cartisian_Duet3_RRF3/blob/master/config.g ; Z-Probe M574 Z1 S2 ; set endstops controlled by probe M558 P9 C" io2.in " H5 F120 T3000 ; set Z probe type to bltouch and the dive height + speeds M950 S0 C"io2.out" M280 P0 S10 G31 P500 X0 Y0 Z2.5 ; set Z probe trigger value, offset and trigger height M557 X15:440 Y15:440 P20 ; define mesh grid

I assume you have a Duet 3 version 0.6. Pin io2.out is not PWM capable, so it cannot be used to control a BLTouch. Use io4, 5, 6, 7 or 8 instead. I am sorry I didn't spot this earlier in your config.

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Z-probe (BLTouch) and dual z axis help on Duet 3

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Beta Firmware

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dc42 administrators
last edited by dc42

I have updated the instructions on connecting Z probes to include how to connect a BLTouch to Duet 3.
Duet WiFi hardware designer and firmware engineer
Please do not ask me for Duet support via PM or email, use the forum
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