For those using PNCconf in 2.5 or 2.5.1 there is a serious bug with PID control
PNCconf incorrectly uses command derivative instead of feedback derivative:
eg.
net x-vel-fb => pid.x.command-deriv
instead of
net x-vel-fb => pid.x.feedback-deriv
This has been fixed so will be correct in the next bug release or from the
buildbot
now.
This has gotten a few people already and is very frustrating. It makes PID
tuning
pretty impossible.
Hopefully we will release the next bug fix sooner rather then later if possible.
In the mean time hand edit the HAL file to fix this on all axis that use PID
control.
(So open loop steppers are unaffected by this)
Chris Morley
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