@droftarts Thank you I will look into this GitHub link. Hopefully the feature is implemented soon. In the meantime, I will try to add the functionality so I can learn more about RepRap firmware.

@T3P3Tony Hey looking into this rotary axis roll over as well for my current application did this feature ever get implemented?

@droftarts Yes thank you for bringing that up to my attention great point on the latency I'll keep it in mind. For our application we are on the same gcode line for extended period of time (Long and slow runs) so even with latency it should still be useful to me. I will investigate and read all the documentation thanks for the links.

@jay_s_uk, I'll definitely check it out—it seems like this could be a valid solution for my motion system.

A little off-topic, but my last question is about the software. Have you experimented with customizations? How developer-friendly is the Duet web control? I'm particularly interested in creating a custom pop-up window for a DRO, similar to what most CNC GUIs offer. Essentially, I'm looking for a real-time readout of the current G-code line the machine is executing, with the ability to select any line as a starting point. Any insights would be appreciated.

@jay_s_uk Noted thanks for the feedback. It should work my max cable run is looking to be 75 -100 FT.

Also is there any functionality for ladder logic or interfacing with a plc through Modbus TCP? Currently have a bunch of read write registers from our plcs on our current machine and would like to have them communicate to this control board instead.

Hi everyone,

I'm considering building a large Cartesian 4-axis (XYZA) CNC machine designed for cutting large aluminum panels as well as for tangential knife cutting on vinyl and foam sheets. For this project, I'm exploring the possibility of connecting 3–6 Duet 3 Main Board 6XDs (or similar boards) that can control large servo motors (such as Nema 34 with built-in drivers).

While I've seen potential applications using CAN bus through the Duet 3 Tool Distribution Board in combination with a Duet 3 Expansion Board 1XD at each motor connection, I'd actually prefer to use an Ethernet connection instead of CAN bus. Since I already need to run network cables for some PLCs, using the same Ethernet cabling for the CNC system would be ideal—even if it comes at a higher cost, the convenience is worth it.

Any thoughts or experiences with a similar setup would be greatly appreciated.