Table of Contents

FOREWORD<br>INTRODUCTION<br>1. Scope and object<br>2. Normative references<br>3. Definitions<br>4. Declaration rules for information elements<br>4.1 Data types<br>4.2 Data size<br>4.3 Bit position<br>4.4 Values and codes<br>4.5 Assignment of function symbols and functions<br>4.6 Identifiers of data field sequences<br>4.7 Variable field size<br>4.8 Repetitive data fields<br>4.9 Logical combinations of data fields<br>4.10 Packing and order of transport of data field<br>5. Standard information elements<br>5.1 Type 1: UNSIGNED INTEGER (UI)<br>5.2 Type 2: INTEGER (I)<br>5.3 Type 3: UNSIGNED FIXED POINT NUMBER (UF)<br>5.4 Type 4: FIXED POINT NUMBER (F)<br>5.5 Type 5: REAL (R)<br>5.6 Type 6: BITSTRING (BS)<br>5.7 Type 7: OCTETSTRING (OS)<br>6. Set of information elements<br>6.1 Type 1: UNSIGNED INTEGER (UI)<br>6.2 Type 2: INTEGER (I)<br>6.3 Type 3: UNSIGNED FIXED POINT NUMBER (UF)<br>6.4 Type 4: FIXED POINT NUMBER (F)<br>6.5 Type 5: REAL (R)<br>6.6 Type 6: BITSTRING (BS)<br>6.7 Type 7: OCTETSTRING (OS)<br>6.8 COMPOUND INFORMATION ELEMENTS (CP)<br>Annex ZA (normative) Other international publications<br>quoted in this standard with the references of the<br>relevant European publications<br>National annex NA (informative) Committees responsible <br>National annex NB (informative) Cross-references

Abstract

Gives rules for defining information elements and presents a set of information elements, in particular of digital and analog process variables, that are frequently used in telecontrol applications.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 57