TELECONTROL EQUIPMENT AND SYSTEMS - TRANSMISSION PROTOCOLS - SPECIFICATION FOR GENERAL STRUCTURE OF APPLICATION DATA
International Electrotechnical Committee
FOREWORD<br>INTRODUCTION<br>1 Scope and object<br>2 Normative references<br>3 Definitions<br>4 Relation to the ISO reference model<br>5 Structure of application data<br>5.1 APPLICATION SERVICE DATA UNIT<br>5.1.1 DATA UNIT IDENTIFIER<br>5.1.2 INFORMATION OBJECTS<br>5.1.3 Identification of INFORMATION OBJECTS<br>5.1.4 INFORMATION OBJECTS address schemes<br>5.1.5 SETS OF INFORMATION ELEMENTS<br>6 Guideline for constructing APPLICATION SERVICER DATA UNITS<br>6.1 First step: selection of field elements of DATA UNIT <br> IDENTIFIER<br>6.2 Second step: Definition of lengths of field elements of<br> DATA UNIT IDENTIFIER<br>6.3 Third step: Definition of data types of DATA UNIT IDENTIFIER<br>6.4 Fourth step: Definition of INFORMATION OBJECTS<br>6.5 Fifth step: Assignment of INFORMATION OBJECTS to TYPE <br> IDENTIFICATION and definition of semantics
Applies to telecontrol equipment and systems with coded bit serial data transmission for monitoring and controlling geographically widespread processes; specifies rules for structuring application data unit in transmission frames of telecontrol systems.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 57 |
