1、 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 rese
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9、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 eleme
10、nts 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 FOREWOR
11、D.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
12、 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 fo
13、r 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 th
14、e 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 t
15、ype.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
16、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
