10 Sep
2012
10 Sep
'12
11:32 a.m.
On Mon, 10 Sep 2012, Fred Cisin wrote:
On Mon, 10 Sep 2012, Jon Elson wrote:
OK, but that takes us back to my original question: how do you KNOW if a
drive needs to be parked? Are all voice-coil drives self-parking?
Conversely, do all stepper-positioner drives need to be parked manually?
Alexey
Anyway, all drives that are supposed to be parked
can be assumed to handle
it autonomously when power is removed, for nearly the last 20 years.
A very DANGEROUS assumption.
My stuff is older than that.
Hell, I have stuff in the back of my refrigerator older than that.