DIN EN 61158-3-16:2008-09

INTRODUCTION
1 Scope
  1.1 Overview
  1.2 Specifications
  1.3 Conformance
2 Normative references
3 Terms, definitions, symbols, abbreviations
  and conventions
  3.1 Reference model terms and definitions
  3.2 Service convention terms and definitions
  3.3 Data-link service terms and definitions
  3.4 Symbols and abbreviations
  3.5 Common conventions
4 Data-link services and concepts
  4.1 Overview
  4.2 Service channel services (SVC services)
  4.3 Realtime channel setup services (RTCS services)
  4.4 RTC services
  4.5 File transmission services
Bibliography
Annex ZA (normative) - Normative references to
                       international publications
                       with their corresponding
                       European publications

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