IEC 61158-3-4:2014

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms, definitions, symbols, abbreviations
  and conventions
4 Data-link service and concepts
5 DL-management service
Bibliography

IEC 61158-3-4:2014 defines the services provided to the Type 4 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 and editorial corrections.