IEC_61158-6-3-2019.pdf

IEC 61158-6-3 Edition 4.0 2019-06 INTERNATIONAL STANDARD Industrial communication networks Fieldbus specifications Part 6-3:Application layer protocol specification Type 3 elements IEC 61158-6-3:2019-06(en)THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2019 IEC,Geneva,Switzerland 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 IECs 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 Varemb infoiec.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 The advanced search enables to find IEC publications by a variety of criteria(reference number,text,technical committee,).It also gives information on projects,replaced and withdrawn publications.IEC Just Published-webstore.iec.ch/justpublished Stay up to date on all new IEC publications.Just Published details all new publications released.Available online and once a month by email.IEC Customer Service Centre-webstore.iec.ch/csc If you wish to give us your feedback on this publication or need further assistance,please contact the Customer Service Centre:salesiec.ch.Electropedia-www.electropedia.org The worlds leading online dictionary on electrotechnology,containing more than 22 000 terminological entries in English and French,with equivalent terms in 16 additional languages.Also known as the International Electrotechnical Vocabulary(IEV)online.IEC Glossary-std.iec.ch/glossary 67 000 electrotechnical terminology entries in English and French extracted from the Terms and Definitions clause of IEC publications issued since 2002.Some entries have been collected from earlier publications of IEC TC 37,77,86 and CISPR.IEC 61158-6-3 Edition 4.0 2019-06 INTERNATIONAL STANDARD Industrial communication networks Fieldbus specifications Part 6-3:Application layer protocol specification Type 3 elements INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 25.040.40;35.100.70;35.110 ISBN 978-2-8322-7008-0 Registered trademark of the International Electrotechnical Commission Warning!Make sure that you obtained this publication from an authorized distributor.2 IEC 61158-6-3:2019 IEC 2019 CONTENTS FOREWORD.14 INTRODUCTION.16 1 Scope.17 1.1 General.17 1.2 Specifications.18 1.3 Conformance.18 2 Normative references.18 3 Terms,definitions,abbreviations,symbols and conventions.19 3.1 Referenced terms and definitions.19 3.1.1 ISO/IEC 7498-1 terms.19 3.1.2 ISO/IEC 8822 terms.19 3.1.3 ISO/IEC 9545 terms.19 3.1.4 ISO/IEC 8824-1 terms.20 3.1.5 Fieldbus Data Link Layer terms.20 3.2 Additional definitions.20 3.3 Abbreviations and symbols.23 3.4 Conventions.25 3.4.1 General concept.25 3.4.2 Abstract syntax conventions.25 3.4.3 Convention for the encoding of reserved bits and octets.26 3.4.4 Conventions for the common coding s of specific field octets.26 3.5 Conventions used in state machines.27 3.5.1 State machine conventions.27 4 FAL syntax description.29 4.1 APDU abstract syntax.29 4.2 Data types.34 4.2.1 Notation for the Boolean type.34 4.2.2 Notation for the Integer type.34 4.2.3 Notation for the Unsigned type.34 4.2.4 Notation for the Floating Point type.35 4.2.5 Notation for the OctetString type.35 4.2.6 Notation for VisibleString type.35 4.2.7 Notation for BinaryDate type.35 4.2.8 Notation for TimeOfDay type.35 4.2.9 Notation for TimeDifference type.35 4.2.10 Notation for Network Time type.35 4.2.11 Notation for Network Time Difference type.35 5 Transfer syntax.35 5.1 Coding of basic data types.35 5.1.1 Encoding of a Boolean value.35 5.1.2 Encoding of an Integer value.36 5.1.3 Encoding of an Unsigned value.36 5.1.4 Encoding of a Floating-Point value.36 5.1.5 Encoding of a Visible String value.36 5.1.6 Encoding of an Octet String value.36 5.1.7 Encoding of a BinaryDate value.36 IEC 61158-6-3:2019 IEC 2019 3 5.1.8 Encoding of a TimeOfDay with and without date indication value.36 5.1.9 Encoding of a Time Difference with and without date indication value.37 5.1.10 Encoding of a Network Time value.37 5.1.11 Encoding of a Network Time Difference value.37 5.1.12 Encoding of a Null value.37 5.2 Coding section related to data exchange PDUs.37 5.2.1 General.37 5.2.2 Coding of the