I just looked up what a PMDX132 is, part of my problem is that the
parallel PCI card I used appears to be broken, and of course they are
harder to get. So I wouldn't mind switching to an ethernet based
controller in the PC side (Dell T5500/T7500).
I have seen the 7i92 mentioned, and others, can they do multiple stepper
motors? (right now I am using a parallel BOB, that connects to steopper
drivers (ala DM542), which drive the actual steppers.)
thanks,
Ron
On 6/13/21 7:03 PM, Gerrit Visser wrote:
I choose a 7i92 to connect my PC with a PMDX132 to run PathPilot (which has
LinuxCNC inside). Depending on your BOB it might be plug-play with pre-build
.bit files to configure the Mesa card.
My reason for going with ethernet version was to reduce electrical grounding
issues. Had too many of those in the past with direct connected stuff. It also
expands the choice of PC to run LinuxCNC on, doesn't need a pci or pcie slot
this way.
Gerrit
-----Original Message-----
From: R C <[email protected]>
Sent: June 13, 2021 8:43 PM
To: linuxcnc-users-list <[email protected]>
Subject: [Emc-users] all the MESA cards talk made me think
Hello,
I have a 'desktop' mill and lathe (both Sherline), and I am using a parallel
BOB and printer ports to run them. Of course one of them just gave up (PCI
printer card), I do have a spare but they are harder to come by, besides, the
setup is not really ideal?
What would be the best way to replace the BOB-LPT stuff? (these things are
desktop CNC machines, I am playing/learning for fun, I am not trying to
reliably machine F22 raptor jet engine parts, I am mostly turning stock into
scrap).
I see some cards that are in the $50 etc range, and there are the ones that
use ether/cat5 connections (are 'regular' ethernet cards used with
those?)
I am looking at a lathe that has 2 steppers, and it has a quadrature encoder,
the mill has 3 steppers, and planning on adding a quadrature encoder).
thanks,
Ron
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