EN 61804-3:2007

SLOVENSKI STANDARD
01-december-2007
1DGRPHãþD
SIST EN 61804-2:2004
Funkcijski bloki (FB) za nadzor procesov - 3. del: Opisni jezik za elektronske
naprave (EDDL) (IEC 61804-3:2006)
Function blocks (FB) for process control - Part 3: Electronic Device Description
Language (EDDL)
Funktionsbausteine für die Prozessautomation - Teil 3: Elektronische
Gerätebeschreibungssprache (EDDL)
Blocs fonction pour les processus industriels - Partie 3: Langage de description
électronique du produit (EDDL)
Ta slovenski standard je istoveten z: EN 61804-3:2007
ICS:
25.040.40 Merjenje in krmiljenje Industrial process
industrijskih postopkov measurement and control
35.240.50 Uporabniške rešitve IT v IT applications in industry
industriji
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 61804-3
NORME EUROPÉENNE
June 2007
EUROPÄISCHE NORM
ICS 25.040.40; 35.240.50 Partially supersedes EN 61804-2:2004

English version
Function blocks (FB) for process control -
Part 3: Electronic Device Description Language (EDDL)
(IEC 61804-3:2006)
Blocs fonction  Funktionsbausteine
pour les processus industriels - für die Prozessautomation -
Partie 3: Langage de description Teil 3: Elektronische
électronique du produit (EDDL) Gerätebeschreibungssprache (EDDL)
(IEC 61804-3:2006)
(CEI 61804-3:2006)
This European Standard was approved by CENELEC on 2007-05-01. 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 61804-3:2007 E
Foreword
The text of the International Standard IEC 61804-3:2006, prepared by SC 65C, Industrial networks, of
IEC TC 65, Industrial-process measurement and control, was submitted to the formal vote and was
approved by CENELEC as EN 61804-3 on 2007-05-01 without any modification.
This European Standard supersedes the EDDL specification given in EN 61804-2:2004.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
(dop) 2008-05-01
national standard or by endorsement
– latest date by which the national standards conflicting
(dow) 2010-05-01
with the EN have to be withdrawn
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 61804-3:2006 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following note has to be added for the standard indicated:
IEC 61131-3 NOTE Harmonized as EN 61131-3:2003 (not modified).
__________
- 3 - EN 61804-3:2007
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  Where an International Publication has been modified by common modifications, indicated by (mod), the relevant EN/HD
applies.
Publication Year Title EN/HD Year

IEC 61499-1 2005 Function blocks – EN 61499-1 2005
Part 1: Architecture
IEC/TS 61804-1 2003 Function blocks (FB) for process control – - -
Part 1: Overview of system aspects

1)
ISO/IEC 2022 - Information technology - Character code - -
structure and extension techniques

ISO/IEC 2375 2003 Information technology - Procedure for - -
registration of escape sequences and
coded character sets
1) 2)
ISO/IEC 7498-1 - Information technology - Open systems EN ISO/IEC 7498-1 1995
interconnection - Basic reference model –
Part 1: The basic model
ISO/IEC 8859-1 1998 Information technology - 8-bit single-byte - -
coded graphic character sets –
Part 1: Latin alphabet No.1
1)
ISO/IEC 9899 - Programming languages - C - -

ISO/IEC 10646-1 2000 Information technology - Universal Multiple-- -
Octet Coded Character Set (UCS) –
Part 1: Architecture and Basic Multilingual
Plane
ISO 639 Series Codes for the representation of names of - -
languages
ISO 3166 Series Codes for the representation of names of - -
countries and their subdivisions

IEEE 754 1985 Binary Floating-Point Arithmetic (R1990) - -

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

INTERNATIONAL IEC
STANDARD 61804-3
First edition
2006-09
Function blocks (FB) for process control –
Part 3:
Electronic Device Description Language (EDDL)
 IEC 2006  Copyright - all rights reserved
No part of this publication may be reproduced or utilized in any form or by any means, electronic or
mechanical, including photocopying and microfilm, without permission in writing from 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
PRICE CODE
Commission Electrotechnique Internationale XN
International Electrotechnical Commission
МеждународнаяЭлектротехническаяКомиссия
For price, see current catalogue

– 2 – 61804-3  IEC:2006(E)
CONTENTS
FOREWORD.16
INTRODUCTION.18

1 Scope.19
2 Normative references.19
3 Terms, definitions, abbreviated terms and acronyms .20
4 Conformance statement.26
5 Conventions for lexical structures .27
6 EDD and EDDL model .28
6.1 Overview of EDD and EDDL.28
6.2 EDD architecture .28
6.3 Concepts of EDD .28
6.4 Principles of the EDD development process .29
6.5 Interrelations between the lexical structure and formal definitions.30
6.6 Builtins .30
6.7 Profiles.30
7 Electronic Device Description Language.30
7.1 Overview .30
7.2 EDD identification information.40
7.3 AXIS.43
7.4 BLOCK .44
7.5 CHART.53
7.6 COLLECTION.56
7.7 COMMAND.57
7.8 CONNECTION.63
7.9 DOMAIN.64
7.10 EDIT_DISPLAY .65
7.11 FILE .67
7.12 GRAPH .67
7.13 GRID.69
7.14 IMAGE .72
7.15 IMPORT .74
7.16 LIKE .85
7.17 LIST .86
7.18 MENU .87
7.19 METHOD.98
7.20 PROGRAM . 100
7.21 RECORD. 101
7.22 REFERENCE_ARRAY . 101
7.23 Relations . 102
7.24 RESPONSE_CODES. 103
7.25 SOURCE . 104
7.26 VALUE_ARRAY. 107
7.27 VARIABLE. 108
7.28 VARIABLE_LIST. 123
7.29 WAVEFORM . 124

61804-3  IEC:2006(E) – 3 –
7.30 Common attributes . 131
7.31 Output redirection (OPEN and CLOSE) . 134
7.32 Conditional expression. 134
7.33 Referencing. 135
7.34 Strings. 141
7.35 Expression . 143
7.36 Text dictionary. 149

Annex A (normative) EDDL formal definition . 150
Annex B (normative) EDDL Builtin Library. 224
Annex C (informative) EDD Example . 337
Annex D (normative) Profiles of EDDL and Builtins . 350
Annex E (informative) Historical background . 376

Bibliography . 377

Figure 1 – Position of the IEC 61804 series related to other standards and products.18
Figure 2 – EDD generation process .29
Figure 3 – BLOCK_A.32
Figure 4 – CHART.32
Figure 5 – COLLECTION.33
Figure 6 – COMMAND.
...