> But the goal is to find the best industrial bus for communication > between devices and open source ... openpowerlink seems quite open, > master and slave side > (ethercat for example in
I must have missed some of the requirements. But from the above Ethernet seem like an obvious solution. It can push 1Gbit/second. Latency can be an issue if you use TCP/IP over Ethernet but one can just use UDP/IP or even Ethernet frames. And you can request users to use a dedicated network. UDP over a dedicated Gigabit network has just nanoseconds of latency.. Basically the bit rate times the length of the datagram. People have beaten this be packing the most time sensitive data in there front of the packet. If you are taking about transferring data in a machine shop one other thing is important and Ethernet does this too -- Galvanic isolation. Ethernet uses transformers on each end of the line and therefore has very good common mode rejection. But not trying the grounds together is a big advantage in an industrial setting. -- Chris Albertson Redondo Beach, California ------------------------------------------------------------------------------ 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
