Table of Contents

Foreword
Preface
1. Scope
2. Definitions
  2.1 Elements of industrial - process measurement and
       control systems
  2.2 Binary direct voltage signal
  2.3 Current sourcing circuit
  2.4 Nominal load factor
  2.5 Leakage current
  2.6 State transition time
  2.7 Minimum signal duration
  2.8 Signal common
  2.9 Power supply
3. Specification
  3.1 Type of circuits
  3.2 Ranges of binary direct voltage signals of nominal
       24 V level
  3.3 Nominal load factors
  3.4 Leakage current
  3.5 State transition time
  3.6 Minimum signal duration
  3.7 Signal common
  3.8 Earthing

Abstract

Applies to non-multiplexed two wire binary direct voltage signals of nominal 24 V level that are used in industrial process measurement and control systems to transmit information between elements of systems.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 65