IEC 61158-3-12 Ed. 4.0 en:2019 PDF

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Industrial communication networks – Fieldbus specifications – Part 3-12: Data-link layer service definition – Type 12 elements
standard by International Electrotechnical Commission, 04/24/2019

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IEC 61158-3-12:2019 defines the services provided to the Type 12 fieldbus application layer at the boundary between the application and data-link layers of the fieldbus reference model and systems management at the boundary between the data-link layer and systems management of the fieldbus reference model. This fourth edition cancels and replaces the third edition published in 2014. It constitutes a technical revision. The main changes are:
– Technical corrections in the communication services
– Editorial improvements for clarification.