TELECONTROL EQUIPMENT AND SYSTEMS - TRANSMISSION PROTOCOLS - DEFINITION AND CODING OF APPLICATION INFORMATION ELEMENTS
International Electrotechnical Committee
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
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.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 57 |
