On 30 October 2017 at 20:58, Nicklas Karlsson <nicklas.karlsso...@gmail.com> wrote: >> You could look at STMBL.It's an STM32-based servo drive. Communication >> with the LinuxCNC system is by CAT5 cables carrying the Mesa >> Smart-Serial protocol. > > What kind of signals there in this protocol?
Smart-serial is RS485 at 2.5Mb It boots up in "discovery mode" while the cards identify themselves then a fixed set of packets are sent every servo cycle. The protocol is described in the Mesa manuals, page 15 here for example. : http://www.mesanet.com/pdf/parallel/7i84man.pdf > Is it possible to get like ten of these? This is where it gets complicated. I have certainly seen ten of them in one place at the same time. But I think that if you want a lot, you need to make them or have them made at the moment. I am not sure what a low-volume PCBA house would charge. Parts cost is apparently $70 + PCB + Assembly. -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial use of mechanical geniuses, daredevils and lunatics." — George Fitch, Atlanta Constitution Newspaper, 1916 ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
