IEC 61158-6-25:2019
(Main)Industrial communication networks - Fieldbus specifications - Part 6-25: Application layer protocol specification - Type 25 elements
Industrial communication networks - Fieldbus specifications - Part 6-25: Application layer protocol specification - Type 25 elements
IEC 61158-6-25:2019 provides common elements for basic time-critical and non-time-critical messaging communications between application programs in an automation environment and material specific to Type 2 fieldbus. The term “time-critical” is used to represent the presence of a time-window, within which one or more specified actions are required to be completed with some defined level of certainty. Failure to complete specified actions within the time window risks failure of the applications requesting the actions, with attendant risk to equipment, plant and possibly human life.
This International Standard specifies interactions between remote applications and defines the externally visible behavior provided by the Type 2 fieldbus application layer. The purpose of this document is to define the protocol provided to
a) define the wire-representation of the service primitives defined in this document, and
b) define the externally visible behavior associated with their transfer. This document specifies the protocol of the Type 2 fieldbus application layer, in conformance with the OSI Basic Reference Model (ISO/IEC 7498-1) and the OSI application layer structure (ISO/IEC 9545).
Réseaux de communication industriels - Spécifications des bus de terrain - Partie 6-25: Spécification du protocole de la couche application - Éléments de type 25
L'IEC 61158-6-25:2019 La couche application de bus de terrain (FAL, Fieldbus Application Layer) fournit aux programmes d’utilisateur un moyen d’accéder à l’environnement de communication du bus de terrain. A cet égard, la FAL peut être vue comme une "fenêtre entre des programmes d'application correspondants".
L'IEC 61158-6-25:2019 fournit les éléments communs pour les communications de messagerie de base prioritaires et non prioritaires entre des programmes d'application dans un environnement d'automation et le matériau spécifique au bus de terrain de type 25. On utilise le terme "prioritaire" pour traduire la présence d’une fenêtre temporelle, à l’intérieur de laquelle une ou plusieurs actions spécifiées doivent être 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.
Le présent document définit de manière abstraite le comportement, visible par un observateur externe, assuré par les différents types de la couche application de bus de terrain, en termes
a) de syntaxe abstraite définissant les unités de données de protocole de la couche application, transmises entre les entités d'application en communication;
b) de syntaxe de transfert définissant les unités de données de protocole de la couche application, transmises entre les entités d'application en communication;
c) de diagramme d'états de contexte d'application définissant le comportement de service d'application observable entre les entités d'application en communication; et
d) de diagrammes d'états de relations d'applications définissant le comportement de communication visible entre les entités d'application en communication.
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IEC 61158-6-25
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Edition 1.0 2019-06
INTERNATIONAL
STANDARD
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Industrial communication networks – Fieldbus specifications –
Part 6-25: Application layer protocol specification – Type 25 elements
IEC 61158-6-25:2019-06(en)
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IEC 61158-6-25
®
Edition 1.0 2019-06
INTERNATIONAL
STANDARD
colour
inside
Industrial communication networks – Fieldbus specifications –
Part 6-25: Application layer protocol specification – Type 25 elements
INTERNATIONAL
ELECTROTECHNICAL
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ICS 25.040.40; 35.100.70; 35.110 ISBN 978-2-8322-7015-8
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® Registered trademark of the International Electrotechnical Commission
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– 2 – IEC 61158-6-25:2019 © IEC 2019
CONTENTS
FOREWORD . 7
INTRODUCTION . 9
1 Scope . 10
1.1 General . 10
1.2 Specification . 11
1.3 Conformance . 11
2 Normative references . 11
3 Terms, definitions, symbols, abbreviations and conventions . 12
3.1 Reference model terms and definitions . 12
3.1.1 ISO/IEC 7498-1 terms . 12
3.1.2 ISO/IEC 8822 terms . 12
3.1.3 ISO/IEC 9545 terms .
...
IEC 61158-6-25
®
Edition 1.0 2019-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Industrial communication networks – Fieldbus specifications –
Part 6-25: Application layer protocol specification – Type 25 elements
Réseaux de communication industriels – Spécifications des bus de terrain –
Partie 6-25: Spécification du protocole de la couche application – Éléments
de type 25
IEC 61158-6-25:2019-06(en-fr)
---------------------- Page: 1 ----------------------
THIS PUBLICATION IS COPYRIGHT PROTECTED
Copyright © 2019 IEC, Geneva, Switzerland
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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 Electropedia - www.electropedia.org
The advanced search enables to find IEC publications by a The world's leading online dictionary on electrotechnology,
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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.
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