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Thanks, I did not find that page! Gives me a better idea what they are doing. Seems to be step/dir centric control.
Jon

There is plenty of info there, and i do not think they use/work with LinuxCNC as the controllers use USB
shop.planet-cnc.com/product-category/controllers/

Fyi: Asus En6600gt

A guy from Norway asked me about a CNC retrofit.  He wants to use planet CNC - I had never heard of it, but it LOOKS like it might be using parts of LinuxCNC, possibly.  Anyone know?  It seems to be multi-platform, but the web page is REALLY thin on details.
Thanks,
Jon

I did a quick test on my non-rt installation running 'cmake/nc_files/fillet/square_100x100_P5.ngc'.
1. it seems that inital deceleration and final acceleration along the fillet do not respect max_acceleration settings (50 for x in my case)
2. there seem to be acceleration spikes while traversing the fillet

Below is the captured accelerations for X and Y for the first corner of the rectangle:

 

I know they are 6-wire, but perhaps they are 8-wire internally.

They always are 8 wire inside, they all have 4 windings inside, they all have 50 magnetic de-tents inside, making it 200 steps per revolution. There are same types with 400 steps per revolution, meaning 0.9 degree per step instead of the usual 1.8 degree per step.
There are also 3 phase and 5 phase stepper motors, Vexta had some nice videos explaining all the types and versions on youtube.