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IEC 61158-4:2003

Digital data communications for measurement and control - Fieldbus for use in industrial control systems - Pa…

IEC 61158-4-20:2014

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Industrial communication networks - Fieldbus specifications - Part 4-20: Data-link layer protocol specificati…

Overview IEC 61158-4-20:2014 is an international standard defining the data-link layer protocol specification for Type 20 elements in industrial communication networks, specifically fieldbus systems.…