On 11/20/2018 09:06 AM, Thaddeus Waldner wrote:
I’m in the process of converting a small medium-duty table router to work with
a LinuxCNC controller. I am duly impressed that such a wealth of technical
information and such a powerful and robust industrial automation tool should be
available to the public, free of charge. Many thanks to all who make it
possible.
I have completed a working concept of the controller, as in, I had it up and
running and actually cut some parts.
My question is, *should* a controller such as this have an uninterruptible
power supply? If so, what parts of the machine are normally served by a UPS?
Unless the SPINDLE is also on the UPS, then it doesn't make
much sense. The UPS-powered CNC control would be unaware
the spindle had stopped, and cause a crash. Now, in some
cases, the spindle drive could be set up to cause an E-stop,
and thus prevent a big mess, when it loses power. The VFD
on my mill is set up like that.
Jon
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