NVE offers a unique PROFIBUS-compliant isolated RS-485 transceiver, the IL3685.
Extraordinary specifications include a 40 Mbps maximum data rate, up to 50 node
fanout, and a 15 kV ESD rating for the bus nodes. The part provides transceiver
and isolation functions in a single 0.3"-wide 16-pin SOIC package.
An illustrative PROFIBUS circuit is: