On Thu, 8 Mar 2012 21:46:16 -0600 Scott Hasse <scott.ha...@gmail.com> wrote:
> I'm doing some volunteer work for a local hackerspace > (sector67.org). We recently completed conversion of two anilam knee > mills to LinuxCNC, including adding a 4th rotary stepper axis for one > of the mills. We now want to do some simple plunge EDM'ing, and > ideally would reuse the LinuxCNC z axis control. > > Although I could make a custom control loop, I'm thinking that a > simple conditional/looping gcode program, looking at the value of an > analog input (m66) to determine whether to move up, stay in place or > move down should get the job done in the regular axis GUI (with > perhaps the addition of a pyvcp panel for a simple status). > > My question is about this analog input. I used A Mesa 5i23 card with > servo and isolated I/O daughter cards, so I have ample digital I/O. > Has anyone used a circuit with a voltage to frequency converter > (LM331 or similar) to create a digital pulse train read in linuxCNC > as an encoder I presume and then hooked that up to the analog m66 > inputs? > > Looking for advice on that specific problem or other ideas on solving > the overall problem. > > Thanks much, > > Scott > > Try getting a hold of Pete. Pete_Gruendeman <gruende...@att.net> He has done some cute sinker stuff. As for wire emc will handle that. Dave > > ------------------------------------------------------------------------------ > Virtualization & Cloud Management Using Capacity Planning > Cloud computing makes use of virtualization - but cloud computing > also focuses on allowing computing to be delivered as a service. > http://www.accelacomm.com/jaw/sfnl/114/51521223/ > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ Virtualization & Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
