Table of Contents

FOREWORD<br>INTRODUCTION<br>1 Scope<br>2 Object<br>3 Types of information<br>4 Interface between telecontrol equipment and process equipment<br>5 Interface between telecontrol equipment and operator's <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;equipment<br>6 Interfaces between telecontrol equipment and communication<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;subsystems<br>7 Interface between telecontrol equipment and other data<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;processing equipment<br>Tables <br>1 Examples of relationships between signals and types of<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;information<br>2 Nominal voltages for binary signals<br>3 Current classes for binary input signals<br>4 Current classes for binary output signals<br>5 Nominal values for analog signals<br>6 Interference voltage limits and insulation requirements<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;for binary signals<br>7 Interference voltage limits and insulation requirements<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;for analog signals<br>8 Active binary input signals<br>9 Passive binary input signals<br>10 Passive binary output signals<br>11 Active binary output signals<br>12 Analog input and output signals<br>13 Relationship between physical distance (DCE/DTE) and <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;maximum transmission speed<br>14 CCITT, ISO and EIA recommendations/standards for DCE-DTE <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;interfaces<br>Figures<br>1 Interfaces between modules in a typical telecontrol system<br>2 Level ranges of binary signals<br>3 Parameters of a binary signal<br>4 Level ranges of analog signals<br>5 Binary input circuits:<br>5a Active binary input circuit<br>5b Passive binary input circuit<br>6 Binary output circuits:<br>6a Passive binary output circuit<br>6b Active binary output circuit<br>7 Analog input and output circuit<br>7a Analog input circuit<br>7b Analog output circuit

Abstract

Provides definition of the interface conditions to be fulfilled when connecting together the various elements of equipment needed to constitute a telecontrol system and enabling the user to manage such a system.

General Product Information

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