On Mon, Oct 8, 2012 at 9:51 AM, Anders Wallin <anders.e.e.wal...@gmail.com> wrote: >> >> <http://www.automationtechnologiesinc.com/products-page/mpgs> >> >> Take your pick. I use the MPG3, but it now seems they're carrying a 4 >> axis and a 6 axis USB based MPG. > > presumably the USB driver for this does not run in real-time? (I'd be > careful in trusting the e-stop through USB too much...) > Do you notice any lag if you jog back and forth quickly? > Could one write a latency-test for the USB-driver, i.e. measure the > worst-case performance? > > AW
No, no real-time. It's just an input device like a keyboard or mouse, so it's not necessary for it to run in real time. The MPG runs on it's own parallel port, and my USB joystick runs on one of the USB ports. No lag that I can determine. Mark ------------------------------------------------------------------------------ Don't let slow site performance ruin your business. Deploy New Relic APM Deploy New Relic app performance management and know exactly what is happening inside your Ruby, Python, PHP, Java, and .NET app Try New Relic at no cost today and get our sweet Data Nerd shirt too! http://p.sf.net/sfu/newrelic-dev2dev _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users