1、 INTERNATIONAL STANDARD IEC61850-9-2 First edition2004-04 Communication networks and systems in substations Part 9-2:Specific Communication Service Mapping(SCSM)Sampled values over ISO/IEC 8802-3 Reference number IEC 61850-9-2:2004(E)Copyright International Electrotechnical Commission Provided by IH
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9、,-,-INTERNATIONAL STANDARD IEC61850-9-2 First edition2004-04 Communication networks and systems in substations Part 9-2:Specific Communication Service Mapping(SCSM)Sampled values over ISO/IEC 8802-3 IEC 2004 Copyright-all rights reserved No part of this publication may be reproduced or utilized in a
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12、license from IHS-,-,-2 61850-9-2 IEC:2004(E)CONTENTS FOREWORD.4 INTRODUCTION.6 1 Scope.7 2 Normative references.7 3 Terms and definitions.9 4 Abbreviations.9 5 Communication stack.10 5.1 Overview of the protocol usage.10 5.2 Client/server services and communication profiles.11 5.3 SV service and com
13、munication profile.13 5.4 Restrictions.15 6 Mapping of IEC 61850-7-2 and IEC 61850-7-3 Data Attributes.16 7 Mapping of IEC 61850-7-2 classes and services.16 7.1 Classes of SV data sets.16 7.2 Definition of SV data sets.16 8 Mapping of the model for the transmission of sampled values.16 8.1 Overview.
14、16 8.2 Mapping of the multicast sampled value control block class and services.16 8.3 Mapping of the unicast sampled value control block class and services.17 8.4 Mapping of the update of the sampled value buffer.19 8.5 Additional definitions for the transmission of sampled values.19 8.6 Definitions
15、 for basic data types.21 9 Conformance.21 9.1 Notation.21 9.2 PICS.21 10 Substation Configuration language(SCL).23 Annex A(informative)ISO/IEC 8802-3 frame format and ASN.1 basic encoding rules.24 Annex B(informative)Process bus architectures.27 Annex C(informative)Multicast address selection.28 Fig
16、ure 1 OSI reference model and profiles.10 Figure 2 Structure of the tag header.14 Figure 3 Concatenation of several ASDUs into one frame.19 Figure A.1 ISO/IEC 8802-3 frame format.24 Figure A.2 Basic encoding rules format.25 Figure A.3 Format of the tag octets.25 Figure A.4 Example for an ASN.1 coded APDU frame structure.26 Figure B.1 Alternative process bus architectures.27 Copyright International Electrotechnical Commission Provided by IHS under license with IECNot for ResaleNo reproduction or
