Answer / engg.furqan@hotmail.com

Field bus is a protol how to communicate field instruments with DCS scada etc..
there is segment protector installed at field side in which number of instruments connected on segment protector (upto 12 instruments connected on 1 segment protector) , from segment protector single pair of wire goes to the DCS where FF linking device communicated number of instruments connected on 1 segment protector .
(Field bus system is use in many industries for reduce cable cost etc)

Answer / mukesh dayama

It is the family of protocols

Answer / rahul

field bus is protocol used by various companies in order to connect controllers or instruments and hmi with control system.

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