Stuart, I was looking for something else entirely on the web and ran into this by accident. This is very close to what you want to do.
http://en.revija-ventil.si/data/strokovni-clanki/17-2011-4/situm.pdf I use a lot of S7-1200 PLCs but I think that all of this could be done with LinuxCNC. Balluff makes Micropulse position sensors. Dave On 9/23/2013 5:06 PM, Stuart Stevenson wrote: > On Sep 23, 2013 3:11 PM, "andy pugh" <bodge...@gmail.com> wrote: >> On 23 September 2013 20:50, Stuart Stevenson <stus...@gmail.com> wrote: >>> 2 cylinders - one on each end >>> 500 ton 20' brake press >>> I need to control each end separately. >> I have a feeling that I have seen the machine? > Your feeling would be correct. > >> The 20 ton testing machine I ran could do 36 inches per second running >> with a Moog valve. Given that you probably don't want that speed, I >> think that they would still be an option. >> >> -- >> atp >> If you can't fix it, you don't own it. >> http://www.ifixit.com/Manifesto >> >> > ------------------------------------------------------------------------------ >> October Webinars: Code for Performance >> Free Intel webinars can help you accelerate application performance. >> Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most > from >> the latest Intel processors and coprocessors. See abstracts and register > >> > http://pubads.g.doubleclick.net/gampad/clk?id=60133471&iu=/4140/ostg.clktrk >> _______________________________________________ >> Emc-users mailing list >> Emc-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ > October Webinars: Code for Performance > Free Intel webinars can help you accelerate application performance. > Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from > the latest Intel processors and coprocessors. See abstracts and register > > http://pubads.g.doubleclick.net/gampad/clk?id=60133471&iu=/4140/ostg.clktrk > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ October Webinars: Code for Performance Free Intel webinars can help you accelerate application performance. Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from the latest Intel processors and coprocessors. See abstracts and register > http://pubads.g.doubleclick.net/gampad/clk?id=60133471&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
