On Fri, Nov 13, 2009 at 11:25 AM, Jon Elson <el...@pico-systems.com> wrote:
> Yi-Shin Li wrote: > > I'm interested in adopting the USB interface for servo/stepper motor > > control. > > It's cheap and widely available, although it has quiet significant > latency > > issue. > > I'm working on resolving issues around USB interface. > > > > Here's a video for a SCARA robot controlled by EMC2 and a USB control > board: > > http://www.youtube.com/watch?v=JF6dYXo2CeE > > > Very interesting! What servo/step drives are you using? Those are servo drivers from KingServo. It's similar to Panasonic ones. What is the"control board" or did you make that yourself? The USB board is purchased from Mesa Electronics -- mesa-7i43. And, I started developing the RTL for its FPGA myself. Is this essentially a step/direction output from EMC, or is EMC part > of the servo control loop? > > Yes, it is essentially a step/direction output from EMC. Yishin ------------------------------------------------------------------------------ Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
