EN 62424:2009

SLOVENSKI STANDARD
01-november-2009
Predstavitev tehnike nadzora procesov - Zahteve pri P&I diagramih in za izmenjavo
podatkov med orodji P&ID ter PCE-CAE (IEC 62424:2008)
Representation of process control engineering - Requests in P&I diagrams and data
exchange between P&ID tools and PCE-CAE tools
Darstellung von Aufgaben der Prozessleittechnik - Fließbilder und Datenaustausch
zwischen EDV-Werkzeugen zur Fließbilderstellung und CAE-Systemen
Ta slovenski standard je istoveten z: EN 62424:2009
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 62424
NORME EUROPÉENNE
August 2009
EUROPÄISCHE NORM
ICS 35.240.50; 25.040.40
English version
Representation of process control engineering -
Requests in P&I diagrams and data exchange
between P&ID tools and PCE-CAE tools
(IEC 62424:2008)
Représentation de l'ingénierie  Darstellung von Aufgaben
du contrôle-commande des processus - der Prozessleittechnik -
Requêtes dans les diagrammes P&ID Fließbilder und Datenaustausch
et échanges de données zwischen EDV-Werkzeugen
entre les outils P&ID et PCE-CAE zur Fließbilderstellung und CAE-Systemen
(CEI 62424:2008) (IEC 62424:2008)

This European Standard was approved by CENELEC on 2009-07-01. 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: Avenue Marnix 17, B - 1000 Brussels

© 2009 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 62424:2009 E
Foreword
The text of document 65/420/FDIS, future edition 1 of IEC 62424, prepared by IEC TC 65,
Industrial-process measurement, control and automation, was submitted to the IEC-CENELEC parallel
vote and was approved by CENELEC as EN 62424 on 2009-07-01.
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) 2010-04-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2012-07-01
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 62424:2008 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:
IEC 60848 NOTE  Harmonized as EN 60848:2002 (not modified).
IEC 61512-1 NOTE  Harmonized as EN 61512-1:1999 (not modified).
IEC 61987-1 NOTE  Harmonized as EN 61987-1:2007 (not modified).
ISO 13628-6 NOTE  Harmonized as EN ISO 13628-6:2006 (not modified).
ISO 13703 NOTE  Harmonized as EN ISO 13703:2000 (not modified).
__________
- 3 - EN 62424:2009
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

1) 2)
IEC 61346-1 - Industrial systems, installations and EN 61346-1 1996
equipment and industrial products -
Structuring principles and reference
designations -
Part 1: Basic rules
1) 2)
IEC 61511-1 - Functional safety - Safety instrumented EN 61511-1 2004
systems for the process industry sector -
Part 1: Framework, definitions, system,
hardware and software requirements

1) 2)
ISO 10628 - Flow diagrams for process plants - General EN ISO 10628 2000
rules
1) 2)
ISO 13849-1 - Safety of machinery - Safety-related parts of EN ISO 13849-1 2008
control systems -
Part 1: General principles for design

XML 1.0 2004 Extensible Markup Language, W3C - -
Recommendation
1)
Undated reference.
2)
Valid edition at date of issue.

IEC 62424
Edition 1.0 2008-08
INTERNATIONAL
STANDARD
Representation of process control engineering – Requests in P&I diagrams and
data exchange between P&ID tools and PCE-CAE tools

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
PRICE CODE
XF
ICS 35.240.50; 25.040.40 ISBN 2-8318-9942-7
– 2 – 62424 © IEC:2008(E)
CONTENTS
FOREWORD.6
INTRODUCTION.8
1 Scope.10
2 Normative references .10
3 Terms and definitions .10
4 Abbreviations .14
5 Conformity.15
6 Representation of PCE requests in a P&ID .16
6.1 PCE request and PCE loop .16
6.2 Objectives and principles .17
6.3 Requirements for the identification and representation of PCE requests .17
6.3.1 General .17
6.3.2 Types of lines .18
6.3.3 Displaying the location of the operator interface .18
6.3.4 PCE categories and processing functions .19
6.3.5 PCE request reference designation scheme .22
6.3.6 PU-vendor and typical identification.23
6.3.7 Device information.23
6.3.8 Alarming, switching and indicating.24
6.3.9 Safety-relevant, GMP and quality-relevant PCE requests .24
6.3.10 PCE control functions .25
7 Neutral data exchange of PCE relevant P&ID information.26
7.1 Objectives .26
7.2 Meaning of P&ID elements .26
7.3 PCE relevant information of P&ID tools .27
7.4 Formal description of PCE relevant information of P&ID tools.28
7.4.1 General .28
7.4.2 Modeling PCE relevant information using the CAEX system
description language .29
7.4.3 Basic CAEX mappings.29
7.4.4 Mapping of a PCE request interface to an external interface of the
corresponding plant hierarchy item .31
7.4.5 CAEX description of direct links between PCE request interfaces of
different plant hierarchy items .33
7.4.6 PCE loops .34
8 Additional PCE attributes.35
Annex A (normative) CAEX – Data model for machine information exchange.36
Annex B (informative) Examples of PCE requests.109
Annex C (normative) Full XML schema of the CAEX Model.119
Annex D (informative) CAEX modelling examples .128
Bibliography.135

Figure 1 – Information flow between P&ID and PCE tool .9
Figure 2 – Organization of PCE requests .17
Figure 3 – General representation of a PCE-Request in a P&ID.18

62424 © IEC:2008(E) – 3 –
Figure 4 – Multi-sensor element.18
Figure 5 – Local interface .19
Figure 6 – Manually operated switch in local control panel.19
Figure 7 – Pressure indication in central control room.19
Figure 8 – Example of PCE request identification .23
Figure 9 – Example of flow measurement with indication in the CCR delivered by
vendor A specified by typical A20 .23
Figure 10 – Example of pH-measurement with indication in the CCR .23
Figure 11 – Example of flow measurement with indication in the CCR and high and
low alarm .24
Figure 12 – Flow measurement with indication in the CCR and high alarm and a high-
high switching function.24
Figure 13 – Flow measurement with indication in the CCR and a high-high switch limit,
a high alarm, a low alarm and a low-low switch limit for a safety function.24
Figure 14 – GMP relevant, safety relevant and quality relevant flow measurement with
indication in the CCR .25
Figure 15 – Control function.25
Figure 16 – Safety relevant control function .25
Figure 17 – P&ID elements and associations (PCE relevant items are shown in dark
lines) .27
Figure 18 – Process data model (PCE relevant items are shown in dark lines).28
Figure 19 – PCE request data model .30
Figure 20 – Example of two plant sections and a signal connection via external
interfaces.32
Figure 21 – Simplified CAEX model of indirect links between PCE requests across
different plant hierarchy items.32
Figure 22 – Example of two plant sections and a direct connection .33
Figure 23 – Simplified CAEX model of direct links between PCE requests across
different plant hierarchy items.34
Figure A.1 – CAEX architecture of a SystemUnitClass .42
Figure A.2 – Example of a SystemUnitClassLib.
...