IEC 61158-4-24:2019
(Main)Industrial communication networks - Fieldbus specifications - Part 4-24: Data-link layer protocol specification - Type 24 elements
Industrial communication networks - Fieldbus specifications - Part 4-24: Data-link layer protocol specification - Type 24 elements
IEC 61158-4-24:2019 specifies procedures for the timely transfer of data and control information from one data-link user entity to a peer user entity, and among the data-link entities forming the distributed data-link service provider and the structure of the fieldbus DLPDUs used for the transfer of data and control information by the protocol of this standard, and their representation as physical interface data units. This second edition cancels and replaces the first edition published in 2014. This edition constitutes a technical revision with the following technical changes:
• patent declaration in the Introduction;
• corrections on transmission sequence of fixed-width time slot type in 4.3.2;
• technical extension for band sharing between I/O data exchange and message communication;
• spelling and grammar
Réseaux de communication industriels - Spécifications des bus de terrain - Partie 4-24: Spécification du protocole de la couche liaison de données - Eléments de type 24
L'IEC-61158-4-24:2019 spécifie
a) les procédures de transfert en temps opportun des données et des informations de commande entre une entité utilisateur de liaison de données et une entité utilisateur homologue et, parmi les entités de liaison de données formant le fournisseur de services distribués de liaison de données;
b) les procédures pour donner des opportunités de communication à toutes les entités DL participantes, séquentiellement et de manière cyclique pour le transfert déterministe et synchronisé à intervalles cycliques pouvant aller jusqu'à 64 ms;
c) les procédures pour donner les opportunités de communication disponibles pour la transmission de données prioritaires ainsi que pour la transmission de données non prioritaires, sans nuire à la transmission de données prioritaire;
d) les procédures pour donner des opportunités de communication cyclique et acyclique pour la transmission de données prioritaires avec accès hiérarchisés;
e) les procédures pour donner des opportunités de communication selon le contrôle d'accès au support physique normalisé par l'ISO/IEC/IEEE 8802 3, avec des dispositions pour les nœuds à ajouter ou à retirer lors du fonctionnement normal;
f) la structure des DLPDU de bus de terrain utilisées par le protocole du présent document pour le transfert des données et des informations de commande, et leur représentation sous forme d'unités de données d'interface physique.
General Information
Relations
Buy Standard
Standards Content (Sample)
IEC 61158-4-24 ®
Edition 2.0 2019-04
INTERNATIONAL
STANDARD
colour
inside
Industrial communication networks – Fieldbus specifications –
Part 4-24: Data-link layer protocol specification – Type 24 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
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.
IEC Central Office Tel.: +41 22 919 02 11
3, rue de Varembé info@iec.ch
CH-1211 Geneva 20 www.iec.ch
Switzerland
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 Electropedia - www.electropedia.org
The advanced search enables to find IEC publications by a The world's leading online dictionary on electrotechnology,
variety of criteria (reference number, text, technical containing more than 22 000 terminological entries in English
committee,…). It also gives information on projects, replaced and French, with equivalent terms in 16 additional languages.
and withdrawn publications. Also known as the International Electrotechnical Vocabulary
(IEV) online.
IEC Just Published - webstore.iec.ch/justpublished
Stay up to date on all new IEC publications. Just Published IEC Glossary - std.iec.ch/glossary
details all new publications released. Available online and 67 000 electrotechnical terminology entries in English and
once a month by email. French extracted from the Terms and Definitions clause of
IEC publications issued since 2002. Some entries have been
IEC Customer Service Centre - webstore.iec.ch/csc collected from earlier publications of IEC TC 37, 77, 86 and
If you wish to give us your feedback on this publication or CISPR.
need further assistance, please contact the Customer Service
Centre: sales@iec.ch.
IEC 61158-4-24 ®
Edition 2.0 2019-04
INTERNATIONAL
STANDARD
colour
inside
Industrial communication networks – Fieldbus specifications –
Part 4-24: Data-link layer protocol specification – Type 24 elements
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 25.040.40; 35.100.20; 35.110 ISBN 978-2-8322-6779-0
– 2 – IEC 61158-4-24:2019 © IEC 2019
CONTENTS
FOREWORD . 6
INTRODUCTION . 8
1 Scope . 10
1.1 General . 10
1.2 Specifications . 10
1.3 Procedures . 10
1.4 Applicability . 11
1.5 Conformance . 11
2 Normative references . 11
3 Terms, definitions, symbols, abbreviations and conventions . 12
3.1 Reference model terms and definitions . 12
3.2 Service convention terms and definitions . 13
3.3 Common terms and definitions . 13
3.4 Symbols and abbreviations . 16
3.5 Additional Type 24 symbols and abbreviations . 17
3.6 Common Conventions . 17
3.7 Additional Type 24 conventions . 18
3.7.1 Primitive conventions . 18
3.7.2 State machine conventions . 18
4 Overview of DL-protocol . 19
4.1 Characteristic feature of the DL-protocol . 19
4.2 DL layer component . 20
4.2.1 Cyclic transmission control (CTC) . 21
4.2.2 Send Receive Control (SRC) . 21
4.2.3 DL-management . 21
4.3 Timing sequence. 21
4.3.1 Overview . 21
4.3.2 Cyclic transmission mode . 21
4.3.3 Acyclic transmission mode . 29
4.4 Service assumed from the PhL . 30
4.4.1 General requirement . 30
4.4.2 DL_Symbols . 30
4.4.3 Assumed primitives of the PhS . 30
4.5 Local parameters, variables, counters, timers . 30
4.5.1 Overview . 30
4.5.2 Variables, parameters, counters and timers to support DLE function . 31
5 DLPDU structure . 35
5.1 Overview . 35
5.1.1 Transfer syntax for bit sequences . 35
5.1.2 Data type encodings . 36
5.1.3 Frame format . 36
5.2 Basic format DLPDU structure . 36
5.2.1 General . 36
5.2.2 Synchronous frame . 40
5.2.3 Output data or Input data frame . 40
5.2.4 Delay measurement start frame . 41
5.2.5 Delay measurement frame . 41
5.2.6 Message token frame . 42
5.2.7 Status frame . 42
5.2.8 Cycle Information frame . 43
5.2.9 Message frame . 44
5.3 Short format DLPDU structure. 45
5.3.1 General . 45
5.3.2 Synchronous frame . 47
5.3.3 Output data or Input data frame . 48
5.3.4 Message frame . 49
6 DLE element procedure . 49
6.1 Overview . 49
6.2 Cyclic transmission control sublayer . 49
6.2.1 General . 49
6.2.2 DLS-user interface . 49
6.2.3 Protocol machines in CTC . 50
6.2.4 CTC-DLM interface . 101
6.3 Send Receive Control . 102
6.3.1 General . 102
6.3.2 SRC-CTC interface . 103
6.3.3 Detailed specification of SRC . 104
6.3.4 SRC-DLM interface . 108
7 DL-management layer (DLM) . 109
7.1 Overview . 109
7.2 Primitive definitions . 109
7.2.1 Primitives exchanged between DLMS-user and DLM . 109
7.2.2 Parameters used with DLM primitives . 110
7.3 DLM protocol machine . 110
7.3.1 C1 master . 110
7.3.2 Slave and C2 master . 115
7.4 Functions . 119
Bibliography . 122
Figure 1 – Data-link layer component . 21
Figure 2 – Timing chart of fixed-width time slot type cyclic communication . 22
Figure 3 – Timing chart of configurable time slot type cyclic communication . 24
Figure 4 – Schematic diagram of cyclic event occurrence . 26
Figure 5 – Timing relationship between cyclic transmission and data processing . 29
Figure 6 – Timing chart example of acyclic communication . 29
Figure 7 – Basic format DLPDU structure. 37
Figure 8 – Short format DLPDU structure . 45
Figure 9 – The state diagram of the C1 master for fixed-width time slot . 51
Figure 10 – The state diagram of the C2 master for fixed-width time slot . 58
Figure 11 – The state diagram of the slave for fixed-width time slot . 62
Figure 12 – The state diagram of the C1 master for configurable time slot . 65
Figure 13 – The state diagram of the C2 master for configurable time slot . 74
Figure 14 – The state diagram of slave for configurable time slot . 77
– 4 – IEC 61158-4-24:2019 © IEC 2019
Figure 15 – The state diagram of message initiator for basic format . 82
Figure 16 – The state diagram of message responder for basic format . 86
Figure 17 – The state diagram of message initiator for short format . 90
Figure 18 – The state diagram of message responder for short format . 94
Figure 19 – The
...
IEC 61158-4-24 ®
Edition 2.0 2019-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Industrial communication networks – Fieldbus specifications –
Part 4-24: Data-link layer protocol specification – Type 24 elements
Réseaux de communication industriels – Spécifications des bus de terrain –
Partie 4-24: Spécification du protocole de la couche liaison de données –
Eléments de type 24
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.
Droits de reproduction réservés. Sauf indication contraire, aucune partie de cette publication ne peut être reproduite
ni utilisée sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique, y compris la photocopie
et les microfilms, sans l'accord écrit de l'IEC ou du Comité national de l'IEC du pays du demandeur. Si vous avez des
questions sur le copyright de l'IEC ou si vous désirez obtenir des droits supplémentaires sur cette publication, utilisez
les coordonnées ci-après ou contactez le Comité national de l'IEC de votre pays de résidence.
IEC Central Office Tel.: +41 22 919 02 11
3, rue de Varembé info@iec.ch
CH-1211 Geneva 20 www.iec.ch
Switzerland
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 Electropedia - www.electropedia.org
The advanced search enables to find IEC publications by a The world's leading online dictionary on electrotechnology,
variety of criteria (reference number, text, technical containing more than 22 000 terminological entries in English
committee,…). It also gives information on projects, replaced and French, with equivalent terms in 16 additional languages.
and withdrawn publications. Also known as the International Electrotechnical Vocabulary
(IEV) online.
IEC Just Published - webstore.iec.ch/justpublished
Stay up to date on all new IEC publications. Just Published IEC Glossary - std.iec.ch/glossary
details all new publications released. Available online and 67 000 electrotechnical terminology entries in English and
once a month by email. French extracted from the Terms and Definitions clause of
IEC publications issued since 2002. Some entries have been
IEC Customer Service Centre - webstore.iec.ch/csc collected from earlier publications of IEC TC 37, 77, 86 and
If you wish to give us your feedback on this publication or CISPR.
need further assistance, please contact the Customer Service
Centre: sales@iec.ch.
A propos de l'IEC
La Commission Electrotechnique Internationale (IEC) est la première organisation mondiale qui élabore et publie des
Normes internationales pour tout ce qui a trait à l'électricité, à l'électronique et aux technologies apparentées.
A propos des publications IEC
Le contenu technique des publications IEC est constamment revu. Veuillez vous assurer que vous possédez l’édition la
plus récente, un corrigendum ou amendement peut avoir été publié.
Recherche de publications IEC - Electropedia - www.electropedia.org
webstore.iec.ch/advsearchform Le premier dictionnaire d'électrotechnologie en ligne au
La recherche avancée permet de trouver des publications IEC monde, avec plus de 22 000 articles terminologiques en
en utilisant différents critères (numéro de référence, texte, anglais et en français, ainsi que les termes équivalents dans
comité d’études,…). Elle donne aussi des informations sur les 16 langues additionnelles. Egalement appelé Vocabulaire
projets et les publications remplacées ou retirées. Electrotechnique International (IEV) en ligne.
IEC Just Published - webstore.iec.ch/justpublished Glossaire IEC - std.iec.ch/glossary
Restez informé sur les nouvelles publications IEC. Just 67 000 entrées terminologiques électrotechniques, en anglais
Published détaille les nouvelles publications parues. et en français, extraites des articles Termes et Définitions des
Disponible en ligne et une fois par mois par email. publications IEC parues depuis 2002. Plus certaines entrées
antérieures extraites des publications des CE 37, 77, 86 et
Service Clients - webstore.iec.ch/csc CISPR de l'IEC.
Si vous désirez nous donner des commentaires sur cette
publication ou si vous avez des questions contactez-nous:
sales@iec.ch.
IEC 61158-4-24 ®
Edition 2.0 2019-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Industrial communication networks – Fieldbus specifications –
Part 4-24: Data-link layer protocol specification – Type 24 elements
Réseaux de communication industriels – Spécifications des bus de terrain –
Partie 4-24: Spécification du protocole de la couche liaison de données –
Eléments de type 24
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 25.040.40; 35.100.20; 35.110 ISBN 978-2-8322-9159-7
– 2 – IEC 61158-4-24:2019 © IEC 2019
CONTENTS
FOREWORD . 6
INTRODUCTION . 8
1 Scope . 10
1.1 General . 10
1.2 Specifications . 10
1.3 Procedures . 10
1.4 Applicability . 11
1.5 Conformance . 11
2 Normative references . 11
3 Terms, definitions, symbols, abbreviations and conventions . 12
3.1 Reference model terms and definitions . 12
3.2 Service convention terms and definitions . 13
3.3 Common terms and definitions . 13
3.4 Symbols and abbreviations . 16
3.5 Additional Type 24 symbols and abbreviations . 17
3.6 Common Conventions . 17
3.7 Additional Type 24 conventions . 18
3.7.1 Primitive conventions . 18
3.7.2 State machine conventions . 18
4 Overview of DL-protocol . 19
4.1 Characteristic feature of the DL-protocol . 19
4.2 DL layer component . 20
4.2.1 Cyclic transmission control (CTC) . 21
4.2.2 Send Receive Control (SRC) . 21
4.2.3 DL-management . 21
4.3 Timing sequence. 21
4.3.1 Overview . 21
4.3.2 Cyclic transmission mode . 21
4.3.3 Acyclic transmission mode . 29
4.4 Service assumed from the PhL . 30
4.4.1 General requirement . 30
4.4.2 DL_Symbols . 30
4.4.3 Assumed primitives of the PhS . 30
4.5 Local parameters, variables, counters, timers . 30
4.5.1 Overview . 30
4.5.2 Variables, parameters, counters and timers to support DLE function . 31
5 DLPDU structure . 35
5.1 Overview . 35
5.1.1 Transfer syntax for bit sequences . 35
5.1.2 Data type encodings . 36
5.1.3 Frame format . 36
5.2 Basic format DLPDU structure . 36
5.2.1 General . 36
5.2.2 Synchronous frame . 40
5.2.3 Output data or Input data frame . 40
5.2.4 Delay measurement start frame . 41
5.2.5 Delay measurement frame . 41
5.2.6 Message token frame . 42
5.2.7 Status frame . 42
5.2.8 Cycle Information frame . 43
5.2.9 Message frame . 44
5.3 Short format DLPDU structure. 45
5.3.1 General . 45
5.3.2 Synchronous frame . 47
5.3.3 Output data or Input data frame . 48
5.3.4 Message frame . 49
6 DLE element procedure . 49
6.1 Overview . 49
6.2 Cyclic transmission control sublayer . 49
6.2.1 General . 49
6.2.2 DLS-user interface . 49
6.2.3 Protocol machines in CTC . 50
6.2.4 CTC-DLM interface . 101
6.3 Send Receive Control . 102
6.3.1 General . 102
6.3.2 SRC-CTC interface . 103
6.3.3 Detailed specification of SRC . 104
6.3.4 SRC-DLM interface . 108
7 DL-management layer (DLM) . 109
7.1 Overview . 109
7.2 Primitive definitions .
...
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.