IEC 61158-3-13:2014 defines the services provided to the Type 13 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:
- addition of a new communication class;
- corrections and editorial improvements.