The machine stops when the emergency button is pushed. The power to the
motors are cut and the programs stops at a line. The operator records
that line (or at least I do ) and then the job can be run from there or
the closest line that is not in a canned cycle or and incremental
command.
Remember this is crisis recovery and not the norm.
------ Original Message ------
From: "Thaddeus Waldner" <thadw...@gmail.com>
To: "Marius Liebenberg" <mar...@mastercut.co.za>; "Enhanced Machine
Controller (EMC)" <emc-users@lists.sourceforge.net>
Sent: 2018-11-20 18:50:26
Subject: Re: [Emc-users] UPS on controller
I’m intrigued by the “record the line number and then shut down” part.
Is this something that the user would do manually after noticing that
the power was cut or is this somehow automated?
On Nov 20, 2018, at 10:10 AM, Marius Liebenberg
<mar...@mastercut.co.za> wrote:
I agree with Andy. I put my controllers on a UPS and then have a
signal that is wired through a drop-out relay that is also connected
to the emergency stop switch. So when the power fails the machine is
stopped and you can record line numbers at least and then shut down.
------ Original Message ------
From: "andy pugh" <bodge...@gmail.com>
To: "Enhanced Machine Controller (EMC)"
<emc-users@lists.sourceforge.net>
Sent: 2018-11-20 17:14:59
Subject: Re: [Emc-users] UPS on controller
On Tue, 20 Nov 2018 at 15:10, Thaddeus Waldner <span> wrote:
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?
I doubt that it is common to attempt to machine on standby power,
but
I can see good reasons to try to keep the controller alive to
perform
a controlled axis/spindle stop and graceful shutdown (including
writing to the log files, tool-table etc)
--
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of mechanical geniuses, daredevils and
lunatics."
— George Fitch, Atlanta Constitution Newspaper, 1916</span>
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