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12/14/16  How does the term "Fieldbus" relate to RS-485?

How does the term "Fieldbus" relate to RS-485? Is it a particular version, modification or subset of RS-485?


  • A fieldbus system is a Serial, real-time, data-link industrial network. This is commonly used in process and manufacturing control, for example PLC's.


    Numerous fieldbus standards require RS-485 transceivers in the implementation of the physical layer for an industrial network.