EN 81714-2:2007

SLOVENSKI STANDARD
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Design of graphical symbols for use in the technical documentation of products - Part 2:
Specification for graphical symbols in a computer sensible form, including graphical
symbols for a reference library, and requirements for their interchange (IEC 81714-
2:2006)
Gestaltung von graphischen Symbolen zur Anwendung in der technischen
Produktdokumentation - Teil 2: Spezifikation für graphische Symbole in
rechnerinterpretierbarer Form einschließlich graphischer Symbole für eine
Referenzbibliothek und Anforderungen für ihren Datenaustausch (IEC 81714-2:2006)
Création de symboles graphiques utilisables dans la documentation technique de
produits - Partie 2: Spécification pour symboles graphiques sous forme adaptée à
l'ordinateur, y compris les symboles pour bibliothèque de références et exigences
relatives à leur échange (IEC 81714-2:2006)
Ta slovenski standard je istoveten z: EN 81714-2:2007
ICS:
01.080.50
35.240.01
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 81714-2
NORME EUROPÉENNE
March 2007
EUROPÄISCHE NORM
ICS 01.080.50 Supersedes EN 81714-2:1998

English version
Design of graphical symbols
for use in the technical documentation of products -
Part 2: Specification for graphical symbols
in a computer sensible form, including graphical symbols
for a reference library, and requirements for their interchange
(IEC 81714-2:2006)
Création de symboles graphiques Gestaltung von graphischen Symbolen
utilisables dans la documentation zur Anwendung in der technischen
technique de produits - Produktdokumentation -
Partie 2: Spécification Teil 2: Spezifikation für graphische
pour symboles graphiques Symbole in rechnerinterpretierbarer Form
sous forme adaptée à l'ordinateur, einschließlich graphischer Symbole
y compris les symboles pour bibliothèque für eine Referenzbibliothek
de références et exigences relatives und Anforderungen
à leur échange für ihren Datenaustausch
(CEI 81714-2:2006) (IEC 81714-2:2006)

This European Standard was approved by CENELEC on 2006-10-01. CENELEC members are bound to comply
with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard
the status of a national standard without any alteration.

Up-to-date lists and bibliographical references concerning such national standards may be obtained on
application to the Central Secretariat or to any CENELEC member.

This European Standard exists in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CENELEC member into its own language and notified
to the Central Secretariat has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the
Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Central Secretariat: rue de Stassart 35, B - 1050 Brussels

© 2007 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 81714-2:2007 E
Foreword
The text of the International Standard IEC 81714-2:2006, prepared by IEC TC 3, Information structures,
documentation and graphical symbols, in cooperation with ISO subcommittee SC 1, Basic conventions, of
ISO technical committee 10, Technical product documentation, was submitted to the formal vote and was
approved by CENELEC as EN 81714-2 on 2006-10-01 without any modification.
This European Standard supersedes EN 81714-2:1998.
The main changes with respect to EN 81714-2:1998 are as follows:
Subclauses 6.16, 6.18 and Annex D contain the major changes; other changes are basically updates.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2007-10-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2009-10-01
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 81714-2:2006 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards indicated:
ISO 10303-1 NOTE  Harmonized as ENV ISO 10303-1:1995 (not modified).
ISO 10303-11 NOTE  Harmonized as ENV ISO 10303-11:1995 (not modified).
ISO 10303-21 NOTE  Harmonized as ENV ISO 10303-21:1995 (not modified).
IEC 60445 NOTE  Harmonized as EN 60445:2000 (not modified).
__________
- 3 - EN 81714-2:2007
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.

NOTE  When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD
applies.
Publication Year Title EN/HD Year

IEC 60617 Data- Graphical symbols for diagrams - -
base
1) 2)
IEC 61082-1 - Preparation of documents used in EN 61082-1 2006
electrotechnology -
Part 1: Rules
IEC 61286 (mod) 2001 Information technology - Coded graphic EN 61286 2002
character set for use in the preparation of
documents used in electrotechnology and for
information interchange
IEC 61346-1 1996 Industrial systems, installations and EN 61346-1 1996
equipment and industrial products -
Structuring principles and reference
designations -
Part 1: Basic rules
IEC 61346-2 2000 Industrial systems, installations and EN 61346-2 2000
equipment and industrial products -
Structuring principles and reference
designations -
Part 2: Classification of objects and codes for
classes
IEC 61360-1 2002 Standard data element types with associated EN 61360-1 2002
A1 2003 classification scheme for electric A1 2004
components -
Part 1: Definitions - Principles and methods

1) 2)
IEC 61360-4 - Standard data element types with associated EN 61360-4 2005
classification scheme for electric + corr. December 2005
components -
Part 4: IEC reference collection of standard
data element types and component classes

IEC 61666 1997 Industrial systems, installations and EN 61666 1997
equipment and industrial products -
Identification of terminals within a system

1)
Undated reference.
2)
Valid edition at date of issue.

Publication Year Title EN/HD Year
IEC 61966-2-1 1999 Multimedia systems and equipment - Colour EN 61966-2-1 2000
measurement and management -
Part 2-1: Colour management - Default RGB
colour space - sRGB
IEC 81714-3 2004 Design of graphical symbols for use in the - -
technical documentation of products -
Part 3: Classification of connect nodes,
networks and their encoding
ISO/IEC 646 1991 Information technology - ISO 7-bit coded - -
character set for information interchange

ISO/IEC 7942-1 1994 Information technology - Computer graphics EN ISO/IEC 7942-1 1995
and image processing - Graphical Kernel
System (GKS) -
Part 1: Functional description

ISO/IEC 9592-1 1997 Information technology - Computer graphics - -
and image processing - Programmer's
Hierarchical Interactive Graphics System
(PHIGS) -
Part 1: Functional description

ISO 128-20 1996 Technical drawings - General principles of EN ISO 128-20 2001
presentation -
Part 20: Basic conventions for lines

ISO 128-21 1997 Technical drawings - General principles of EN ISO 128-21 2001
presentation -
Part 21: Preparation of lines by CAD systems

ISO 639-1 2002 Codes for the representation of names of - -
languages -
Part 1: Alpha-2 code
ISO 3098-0 1997 Technical product documentation - Lettering - EN ISO 3098-0 1997
Part 0: General requirements
ISO 3098-5 1997 Technical product documentation - Lettering - EN ISO 3098-5 1997
Part 5: CAD lettering of the Latin alphabet,
numerals and marks
ISO 3166-1 1997 Codes for the representation of names of EN ISO 3166-1 1997
countries and their subdivisions -
Part 1: Country codes
ISO 6428 1982 Technical drawings - Requirements for EN ISO 6428 1999
microcopying
ISO 6523-1 1998 Information technology - Structure for the - -
identification of organizations and
organization parts -
Part 1: Identification of organization
identification schemes
ISO 10303-201 1994 Industrial automation systems and ENV ISO 10303-201 1995
integration - Product data representation and
exchange -
Part 201: Application protocol: Explicit
draughting
- 5 - EN 81714-2:2007
Publication Year Title EN/HD Year
ISO 81714-1 1999 Design of graphical symbols for use in the EN ISO 81714-1 1999
technical documentation of products -
Part 1: Basic rules
NORME CEI
INTERNATIONALE
IEC
81714-2
INTERNATIONAL
Deuxième édition
STANDARD
Second edition
2006-06
Création de symboles graphiques utilisables
dans la documentation technique de produits –
Partie 2:
Spécification pour symboles graphiques
sous forme adaptée à l'ordinateur, y compris
les symboles pour bibliothèque de références
et exigences relatives à leur échange

Design of graphical symbols for use in the
technical documentation of products –
Part 2:
Specification for graphical symbols in a computer
sensible form, including graphical symbols
for a reference library, and requirements for
their interchange
 IEC 2006 Droits de reproduction réservés  Copyright - all rights reserved
Aucune partie de cette publication ne peut être reproduite ni No part of this publication may be reproduced or utilized in any
utilisée sous quelque forme que ce soit et par aucun procédé, form or by any means, electronic or mechanical, including
électronique ou mécanique, y compris la photocopie et les photocopying and microfilm, without permission in writing from
microfilms, sans l'accord écrit de l'éditeur. the publisher.
International Electrotechnical Commission, 3, rue de Varembé, PO Box 131, CH-1211 Geneva 20, Switzerland
Telephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: inmail@iec.ch Web: www.iec.ch
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81714-2  IEC:2006 – 3 –
CONTENTS
FOREWORD.9

1 Scope.15
2 Normative references .15
3 Terms and definitions .19
3.1 Graphical symbols for use on documents .19
3.2 Nodes .19
3.3 Administration of openings .21
3.4 Graphical constructs.23
3.5 Routing and placing of graphical symbols in diagrams.23
3.6 Administration of graphical symbols .23
3.7 Text.25
4 Markers .27
4.1 Markers for reference points and connect nodes .27
4.2 Markers for alignment of text .27
5 Reference symbols.27
6 Specifications for symbols including symbols for a reference library .29
6.1 General .29
6.2 Variants of graphical symbols.31
6.3 Scaling .35
6.4 Module sizes in reference libraries .37
6.5 Use of layer technique.39
6.6 Constructs used in the creation of graphical symbols .39
6.7 Text.43
6.8 Connect nodes .49
6.9 Reference point of reference symbols .57
6.10 Identification of schematic connect nodes .
...