> I have used a lot of Profibus devices. I used to work for Siemens. > Profibus is very robust if installed properly. DP is the norm for > remote I/O. > PA is designed for the process industry and not nearly as common. > > I always thought that a chip was needed for a DP master. I don't > think a DP master device can be made via software and standard RS485 > interface, but I could be wrong.
I also read about a chip but have not found any hardware constraints, Ethecat for example insert information into the packet while it pass thru the device which put very high constraints on the timing. ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
