Profibus vs Modbus Profibus DP vs  Profibus PA vs Profibus FMS Parameters Profibus Modbus Profibus DP Profibus PA Profibus FMS Website www.profibus.com www.Modbus.org Intrinsically Safe No Yes No No Operaing voltage 9-32v DC Maximum Cable Length 100m-24km 1900m 200m-19.2km 1200m Goveming Standard(S) EN50170 DIN 19245 p3 IEC-61158-2 DIN 19245 p4 EN13321/1 DIN 19245 EN1434-3 IEC870-5 … Continue reading Profibus vs Modbus (Difference between Profibus and Modbus)