Historical
IEC 61158-3-12 Ed. 3.0 b:2014
Industrial communication networks - Fieldbus specifications - Part 3-12: Data-link layer service definition - Type 12 elements
IEC 61158-3-12:2014 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 second edition cancels and replaces the first edition published in 2007. It constitutes a minor technical revision. The main changes are: editorial improvements.
International Electrotechnical Commission [iec]