• There are no items in your cart
We noticed you’re not on the correct regional site. Switch to our AMERICAS site for the best experience.
Dismiss alert

I.S. EN 60870-5-4:1994

Current

Current

The latest, up-to-date edition.

TELECONTROL EQUIPMENT AND SYSTEMS - PART 5: TRANSMISSION PROTOCOLS - SECTION 4: DEFINITION AND CODING OF APPLICATION INFORMATION ELEMENTS

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-1994

Preview

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

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

Applies to telecontrol equipment and systems with coded bit serial data transmission for monitoring and controlling geographically widespread processes.

DevelopmentNote
For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
DocumentType
Standard
Pages
52
PublisherName
National Standards Authority of Ireland
Status
Current

Standards Relationship
IEC 60870-5-4:1993 Identical
BS EN 60870-5-4:1994 Identical
EN 60870-5-4:1993 Identical
DIN EN 60870-5-4:1994-07 Identical
SN EN 60870-5-4 : 1993 Identical

View more information
£58.57
Excluding VAT

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.