On 02/17/2020 11:37 AM, John Dammeyer wrote:
I think that supports my position that LinuxCNC is really
just a middle box between display and motion hardware and
if you want optimal performance you offload the real work
to something that isn't LinuxCNC.
But, that is NOT what my boards do. In general, each of the
3 systems has an encoder counter and some kind of velocity
output. We have options for step output, PWM or analog
velocity command. Also, there is some digital I/O.
So, these are NOT motion controllers (despite the name of
the boards) but really just interfaces to encoders and motor
drives. The servo loop is closed through the PC's CPU. This
makes servo loop tuning and diagnostics much easier, all the
tools you need are part of LinuxCNC.
Jon
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