BS EN 61158-3-1:2014

0 INTRODUCTION
1 Scope
2 Normative references
3 Terms, definitions, symbols, abbreviations and conventions
4 Overview of the data-link layer service
5 DL(SAP)-address, queue and buffer management
  data-link layer service
6 Connection-mode data-link layer service
7 Connectionless-mode data-link layer service
8 Time and scheduling guidance data-link layer service
9 DL-management service
Bibliography
Annex ZA (normative) - Normative references to
         international publications with their
         corresponding European publications

Describes common elements for basic time-critical messaging communications between devices in an automation environment.

IEC 61158-3-1:2014 defines the services provided to the Type 1 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 technical revision. The main change is the improved terms.