IEC 61158-5-4:2019
(Main)Industrial communication networks - Fieldbus specifications - Part 5-4: Application layer service definition - Type 4 elements
Industrial communication networks - Fieldbus specifications - Part 5-4: Application layer service definition - Type 4 elements
IEC 61158-5-4:2019 defines the services provided to the FAL user at the boundary between the user and the application layer of the fieldbus reference model, and Systems Management at the boundary between the application layer and Systems Management of the fieldbus reference model. This standard specifies the structure and services of the IEC fieldbus application layer, in conformance with the OSI Basic Reference Model (ISO/IEC 7498-1) and the OSI application layer structure (ISO/IEC 9545). This third edition cancels and replaces the second edition published in 2014. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) additional user parameters to services;
b) additional services to support distributed objects;
c) additional secure services.
Réseaux de communication industriels - Spécifications des bus de terrain - Partie 5-4: Définition des services de la couche application - Éléments de type 4
L’IEC 61158-5-4:2019 fournit des éléments communs pour les communications de messagerie prioritaires et non prioritaires élémentaires entre les programmes d’application des environnements d’automatisation et le matériel spécifique au bus de terrain de type 4. On utilise le terme "prioritaire" pour traduire la présence d’une fenêtre temporelle, à l’intérieur de laquelle il est exigé qu'une ou plusieurs actions spécifiées soient terminées avec un niveau de certitude défini. Si les actions spécifiées ne sont pas réalisées dans la fenêtre temporelle, les applications demandant les actions risquent de connaître une défaillance, avec les risques que cela comporte pour les équipements, les installations et éventuellement la vie humaine.
La présente norme définit de manière abstraite le service visible de l'extérieur fourni par la couche application de bus de terrain de type 4 en termes
a) d’un modèle abstrait pour la définition des ressources d’application (objets) qui peuvent être manipulées par les utilisateurs par l'intermédiaire de l’utilisation du service FAL,
b) des actions primitives et des événements du service;
c) des paramètres associés à chaque action et événement primitif, et de la forme qu’ils peuvent prendre; et
d) des interrelations entre ces actions et événements, et de leurs séquences valides.
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IEC 61158-5-4 ®
Edition 3.0 2019-04
INTERNATIONAL
STANDARD
colour
inside
Industrial communication networks – Fieldbus specifications –
Part 5-4: Application layer service definition – Type 4 elements
All rights reserved. Unless otherwise specified, 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
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International Standards for all electrical, electronic and related technologies.
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IEC 61158-5-4 ®
Edition 3.0 2019-04
INTERNATIONAL
STANDARD
colour
inside
Industrial communication networks – Fieldbus specifications –
Part 5-4: Application layer service definition – Type 4 elements
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 25.040.40; 35.100.70; 35.110 ISBN 978-2-8322-6739-4
– 2 – IEC 61158-5-4:2019 © IEC 2019
CONTENTS
FOREWORD . 5
INTRODUCTION . 7
1 Scope . 8
1.1 General . 8
1.2 Specifications . 9
1.3 Conformance . 9
2 Normative references . 9
3 Terms, definitions, symbols, abbreviations and conventions . 10
3.1 ISO/IEC 7498-1 terms . 10
3.2 ISO/IEC 8822 terms . 10
3.3 ISO/IEC 9545 terms . 10
3.4 ISO/IEC 8824-1 terms . 11
3.5 Fieldbus data-link layer terms . 11
3.6 Fieldbus application layer specific definitions . 11
3.7 Abbreviations and symbols . 17
3.8 Conventions . 18
3.8.1 Overview . 18
3.8.2 General conventions . 19
3.8.3 Conventions for class definitions . 19
3.8.4 Conventions for service definitions . 20
4 Concepts . 21
4.1 Overview . 21
4.2 Architectural relationships . 22
4.2.1 Relationship to the Application Layer of the OSI basic reference model . 22
4.2.2 Relationships to other fieldbus entities . 22
4.3 Fieldbus Application Layer structure . 24
4.3.1 Overview . 24
4.3.2 Fundamental concepts . 24
4.3.3 Fieldbus application processes . 24
4.3.4 Application process objects . 28
4.3.5 Application entities . 30
4.3.6 Fieldbus application service elements . 31
4.3.7 Application relationships . 34
4.4 Fieldbus Application Layer naming and addressing . 36
4.4.1 General . 36
4.4.2 Identifying objects accessed through the FAL . 36
4.4.3 Addressing APs accessed through the FAL . 37
4.5 Architecture summary . 37
4.6 FAL service procedures . 37
4.6.1 FAL confirmed service procedures . 37
4.6.2 FAL unconfirmed service procedures . 38
4.7 Common FAL attributes . 38
4.8 Common FAL service parameters . 39
4.9 APDU size . 39
5 Type 4 communication model specification . 40
5.1 Concepts . 40
5.1.1 Overview . 40
5.1.2 Application entities . 40
5.1.3 Gateway and routing . 42
5.1.4 Architecture summary . 43
5.1.5 FAL service procedures and time sequence diagrams . 44
5.2 Variable ASE . 46
5.2.1 Variable types . 46
5.2.2 Variable model class specification . 48
5.2.3 Basic variable type specifications . 49
5.2.4 Constructed variable type specifications . 53
5.2.5 Route endpoint ASE . 57
5.2.6 Route endpoint ASE service specification . 60
5.3 Application relationship ASE . 64
5.3.1 Overview . 64
5.3.2 Application relationship class specification . 65
5.3.3 Application relationship ASE service specifications . 66
Bibliography . 71
Figure 1 – Relationship to the OSI basic reference model . 22
Figure 2 – Architectural positioning of the fieldbus Application Layer . 23
Figure 3 – Client/server interactions . 25
Figure 4 – Pull model interactions . 26
Figure 5 – Push model interactions . 27
Figure 6 – APOs services conveyed by the FAL . 29
Figure 7 – Application entity structure . 30
Figure 8 – Example FAL ASEs . 32
Figure 9 – FAL management of objects . 32
Figure 10 – ASE service conveyance . 33
Figure 11 – Defined and established AREPs . 36
Figure 12 – FAL architectural components . 37
Figure 13 – FAL AE . 41
Figure 14 – Summary of the FAL architecture . 43
Figure 15 – FAL service procedure overview. 44
Figure 16 – Time sequence diagram for the confirmed services . 45
Figure 17 – Time sequence diagram for unconfirmed services . 46
Table 1 – REQUEST service parameters . 60
Table 2 – RESPONSE service parameters . 61
Table 3 – Error codes by source . 62
Table 4 – Reserve REP service parameters . 63
– 4 – IEC 61158-5-4:2019 © IEC 2019
Table 5 – Free AREP service parameters . 63
Table 6 – Get REP attribute service parameters . 63
Table 7 – Set REP attribute service parameters . 64
Table 8 – AR send service parameters . 68
Table 9 – AR acknowledge service parameters . 68
Table 10 – AR get attributes service parameters . 69
Table 11 – AR set attributes service parameters . 69
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
INDUSTRIAL COMMUNICATION NETWORKS –
FIELDBUS SPECIFICATIONS –
Part 5-4: Application layer service definition –
Type 4 elements
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC Nationa
...
IEC 61158-5-4 ®
Edition 3.0 2019-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Industrial communication networks – Fieldbus specifications –
Part 5-4: Application layer service definition – Type 4 elements
Réseaux de communication industriels – Spécifications des bus de terrain –
Partie 5-4: Définition des services de la couche application – Eléments de type 4
All rights reserved. Unless otherwise specified, 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
either IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC
copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or
your local IEC member National Committee for further information.
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About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.
About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
latest edition, a corrigendum or an amendment might have been published.
IEC publications search - webstore.iec.ch/advsearchform IEC online collection - oc.iec.ch
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IEC 61158-5-4 ®
Edition 4.0 2019-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Industrial communication networks – Fieldbus specifications –
Part 5-4: Application layer service definition – Type 4 elements
Réseaux de communication industriels – Spécifications des bus de terrain –
Partie 5-4: Définition des services de la couche application – Eléments de type 4
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 25.040.40; 35.100.70; 35.110 ISBN 978-2-8322-9265-5
– 2 – IEC 61158-5-4:2019 © IEC 2019
CONTENTS
FOREWORD . 5
INTRODUCTION . 7
1 Scope . 8
1.1 General . 8
1.2 Specifications . 9
1.3 Conformance . 9
2 Normative references . 9
3 Terms, definitions, symbols, abbreviations and conventions . 10
3.1 ISO/IEC 7498-1 terms . 10
3.2 ISO/IEC 8822 terms . 10
3.3 ISO/IEC 9545 terms . 10
3.4 ISO/IEC 8824-1 terms . 11
3.5 Fieldbus data-link layer terms . 11
3.6 Fieldbus application layer specific definitions . 11
3.7 Abbreviations and symbols . 17
3.8 Conventions . 18
3.8.1 Overview . 18
3.8.2 General conventions . 19
3.8.3 Conventions for class definitions . 19
3.8.4 Conventions for service definitions . 20
4 Concepts . 21
4.1 Overview . 21
4.2 Architectural relationships . 22
4.2.1 Relationship to the Application Layer of the OSI basic reference model . 22
4.2.2 Relationships to other fieldbus entities . 22
4.3 Fieldbus Application Layer structure . 24
4.3.1 Overview . 24
4.3.2 Fundamental concepts . 24
4.3.3 Fieldbus application processes . 24
4.3.4 Application process objects . 28
4.3.5 Application entities . 30
4.3.6 Fieldbus application service elements . 31
4.3.7 Application relationships . 34
4.4 Fieldbus Application Layer naming and addressing . 36
4.4.1 General . 36
4.4.2 Identifying objects accessed through the FAL . 36
4.4.3 Addressing APs accessed through the FAL . 37
4.5 Architecture summary . 37
4.6 FAL service procedures . 37
4.6.1 FAL confirmed service procedures . 37
4.6.2 FAL unconfirmed service procedures . 38
4.7 Common FAL attributes . 38
4.8 Common FAL service parameters . 39
4.9 APDU size . 39
5 Type 4 communication model specification . 40
5.1 Concepts . 40
5.1.1 Overview . 40
5.1.2 Application entities . 40
5.1.3 Gateway and routing . 42
5.1.4 Architecture summary . 43
5.1.5 FAL service procedures and time sequence diagrams . 44
5.2 Variable ASE . 46
5.2.1 Variable types . 46
5.2.2 Variable model class specification . 48
5.2.3 Basic variable type specifications . 49
5.2.4 Constructed variable type specifications . 53
5.2.5 Route endpoint ASE . 57
5.2.6 Route endpoint ASE service specification . 60
5.3 Application relationship ASE . 64
5.3.1 Overview . 64
5.3.2 Application relationship class specification . 65
5.3.3 Application relationship ASE service specifications . 66
Bibliography . 71
Figure 1 – Relationship to the OSI basic reference model . 22
Figure 2 – Architectural positioning of the fieldbus Application Layer . 23
Figure 3 – Client/server interactions . 25
Figure 4 – Pull model interactions . 26
Figure 5 – Push model interactions . 27
Figure 6 – APOs services conveyed by the FAL . 29
Figure 7 – Application entity structure . 30
Figure 8 – Example FAL ASEs . 32
Figure 9 – FAL management of objects . 32
Figure 10 – ASE service conveyance .
...
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