BS 7404-3:1991
Current
The latest, up-to-date edition.
Telecontrol equipment and systems Specification for interfaces (electrical characteristics)
Hardcopy , PDF
English
31-10-1991
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Committees responsible
National foreword
Specification
1. Scope
2. Object
3. Types of information
4. Interface between telecontrol equipment and process
equipment
5. Interface between telecontrol equipment and
operator's equipment
6. Interfaces between telecontrol equipment and
communication subsystems
7. Interface between telecontrol equipment and other
data processing equipment
Annex
ZA. Other international publications quoted in this
standard with the references of the relevant
European publications (normative)
Tables
1. Examples of relationships between signals and types
of information
2. Nominal voltages for binary signals
3. Current classes for binary input signals
4. Current classes for binary output signals
5. Nominal values for analog signals
6. Interference voltage limits and insulation
requirements for binary signals
7. Interference voltage limits and insulation
requirements for analog signals
8. Active binary input signals
9. Passive binary input signals
10. Passive binary output signals
11. Active binary output signals
12. Analog input and output signals
13. Relationship between physical distance (DCE/DTE)
and maximum transmission speed
14. CCITT, ISO and EIA recommendations/standards for
CDE-DTE interfaces
Figures
1. Interfaces between modules in a typical telecontrol
system
2. Level ranges of binary signals
3. Parameters of a binary signal
4. Level ranges of analog signals
5. Binary input circuits:
5a. Active binary input circuit
5b. Passive binary input circuit
6. Binary output circuits:
6a. Passive binary output circuit
6b. Active binary output circuit
7. Analog input and output circuits:
7a. Analog input circuit
7b. Analog output circuit
Defines electrical interface characteristics, e.g. signals, impedances, etc. which have to be met at the shared boundaries.
| Committee |
PEL/57
|
| DevelopmentNote |
Also numbered as IEC 60870-3 Supersedes 89/27225 DC (10/2005)
|
| DocumentType |
Standard
|
| Pages |
26
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
This series of standards applies to telecontrol equipment and systems with coded bit serial data transmission for monitoring and controlling geographically widespread processes.
| BS 7404-1.1:1991 | Telecontrol equipment and systems. General considerations. General principles |
| BS EN 60870-2-1:1996 | Telecontrol equipment and systems. Operating conditions Power supply and electromagnetic compatibility |
| BS EN 60870-2-2:1997 | Telecontrol equipment and systems. Operating conditions Environmental conditions (climatic, mechanical and other non-electrical influences) |
| BS 7602:1992 | Guide to general considerations for telecommunication services for electrical power systems |
| ISO 4902:1989 | Information technology Data communication 37-pole DTE/DCE interface connector and contact number assignments |
| IEC 60225:1966 | Octave, half-octave and third-octave band filters intended for the analysis of sounds and vibrations |
| BS 6146-2:1981 | An interface system for programmable measuring instruments (byte serial, bit parallel) Guide for code and format conventions |
| IEC 60495:1993 | Single sideband power-line carrier terminals |
| BS 7404-4:1991 | Telecontrol equipment and systems. Specification for performance |
| IEC 60050-371:1984 | International Electrotechnical Vocabulary (IEV) - Part 371: Telecontrol |
| BS 6146-1:1981 | An interface system for programmable measuring instruments (byte serial, bit parallel) Specification for functional, electrical and mechanical requirements, system applications and requirements for designer and user |
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