i have servo spindle now - driven by step/direction
stops immediately as i found out writing macros using dospinstop instead of more gradual m5 ( so i added m5' s to my post processor so spindle didnt just slam to a stop). - maybe it was the original post that had m30 which shuts down all outputs- definately stopped the spindle dead! m5 added prior to m30 slows it with the set deceleration time. (vectric post for mach3- i always end up editing it)
spindle can accelerate to 3000 rpm in under a second
it doesnt like being stopped that fast - shows high bus voltage for a second.
i was using g84 cycle . just being cautious as i only had cheap drills and taps to play with . (good ones ordered) including some form taps.
we need the fast retract feature- as a further selling point... cant let haas be the only ones to do this !