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Hydrogen Technologies Standards form the basic framework for market ramp-up
More information
Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
More information

Standards [CURRENT]

BS EN IEC 61158-3-21
Industrial communication networks. Fieldbus specifications. Data-link layer service definition. Type 21 elements

Title (German)

Industrielle Kommunikationsnetze. Feldbusse Dienstfestlegungen des Data Link Layer (Sicherungsschicht). Typ 21-Elemente

Edition 2019-07-04

Original language English

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Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

BS EN IEC 61158-3-21 Industrial communication networks. Fieldbus specifications. Data-link layer service definition. Type 21 elements

Want to learn more?

BS EN IEC 61158-3-21
Industrial communication networks. Fieldbus specifications. Data-link layer service definition. Type 21 elements