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GB/T 42151.81-2023 PDF English

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GB/T 42151.81-2023EnglishRFQ ASK 3 days [Need to translate] Communication networks and systems for power utility automation - Part 8-1: Specific communication service mapping (SCSM) - Mappings to MMS(ISO 9506-1 and ISO 9506-2) and to ISO/IEC 8802-3 Valid

Standard similar to GB/T 42151.81-2023

GB/T 40588 | GB/T 40427 | GB/T 40609 | GB/T 42151.92 | GB/T 42151.71 | GB/Z 42151.77 |

Basic data

Standard ID GB/T 42151.81-2023 (GB/T42151.81-2023)
Description (Translated English) Communication networks and systems for power utility automation - Part 8-1: Specific communication service mapping (SCSM) - Mappings to MMS(ISO 9506-1 and ISO 9506-2) and to ISO/IEC 8802-3
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard F21
Classification of International Standard 29.240.01
Word Count Estimation 254,244
Date of Issue 2023-12-28
Date of Implementation 2024-07-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 42151.81-2023: Communication networks and systems for power utility automation - Part 8-1: Specific communication service mapping (SCSM) - Mappings to MMS(ISO 9506-1 and ISO 9506-2) and to ISO/IEC 8802-3




---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 29:240:01 CCSF21 National Standards of People's Republic of China Power automation communication network and system Part 8-1: Specific Communication Services Mapping (SCSM) Mapping to MMS (ISO 9506-1 and ISO 9506-2) and ISO /IEC 8802-3 (ISO 9506-1andISO 9506-2)andtoISO /IEC 8802-3 (IEC 61850-8-1:2020, MOD) Published on 2023-12-28 and implemented on 2024-07-01 State Administration for Market Regulation Released by the National Standardization Administration Committee

Table of contents

Preface Ⅺ Introduction XII 1 Scope 1 1:1 General 1 1:2 Namespaces and versions 1 1:3 Code component distribution 1 2 Normative references 2 3 Terms and Definitions 7 4 Abbreviations 8 5 Review 11 5:1 Overview 11 5:2 MMS communication protocol set 12 5:3 Non-MMS communication protocol set 12 5:4 MMS objects used12 6 Communication protocol stack 13 6:1 Overview of protocol usage 13 6:2 Client/Server Services and Communication Protocol Sets 14 6:3 GSE management and GOOSE service communication protocol set 17 6:4 Time synchronization 20 6:5 Sampling value management and service communication protocol set 21 7 Object 23 of IEC 61850 7:1 Server 23 7:2 Logical devices 24 7:3 Logical node 24 8 Mapping of IEC 61850-7-2 data attributes 26 8:1 Attribute mapping specified in IEC 61850-7-226 8:2 Mapping of quality common data attribute types specified in IEC 61850-7-350 9 Server Class Model 51 9:1 Server mapping 51 9:2 Server class attributes 51 9:3 Server services - reading server directory 51 10 Association Model 53 10:1 Correlations regarding communication protocol sets 53 10:2 Client/server communication protocol set bilateral association model 54 10:3 Bilateral association model for GSE management communication protocol set 56 10:4 Bilateral correlation model for time synchronization 56 10:5 Multicast association model 56 11 Logical device model 56 12 Logical node model 56 12:1 General logical node class 56 12:2 General logical node class attributes 56 12:3 General logical node services 57 13 Data objects, data attributes, and sub-data attribute models 59 13:1 Common Data Object Classes 59 13:2 Common data attribute classes 59 13:3 Common subdata attribute class 59 13:4 General Data Object Class Services 60 14 Dataset Class Model 61 14:1 Dataset Class 61 14:2 Dataset properties 61 14:3 Dataset Services 61 15 Service Tracking Model 64 15:1 Overview 64 15:2 Public Service Tracking 64 15:3 Cache Report Tracking Service Mapping 69 15:4 Uncached Report Tracking Service Mapping - UTS 70 15:5 Log control block tracking service mapping 71 15:6 Log tracking service mapping 72 15:7 GOOSE control block tracking service mapping 72 15:8 Settings Group Control Block Tracking Service Mapping 73 15:9 Multicast sample value control block tracking service mapping 73 15:10 Deprecated Unicast Sample Value Control Block Tracking Service Map 74 16 Setting group control class model 75 16:1 Setting group control block definition 75 16:2 Setting group control services 75 17 Reporting and logging model 76 17:1 Reporting Model - Reporting Control Block 76 17:2 Reporting Services 79 17:3 Log model 82 18 Mapping of the General Substation Event (GSE) model 89 18:1 Generic object-oriented substation events 89 19 Transmission of sampled value class models 100 19:1 Sample value 100 20 Control class model 105 20:1 Overview 105 20:2 Controlling Service Parameters 106 20:3 Mapping of control objects and control object references 106 20:4 Control Service Mapping 107 20:5 Select 109 20:6 Selection with value 110 20:7 Cancellation113 20:8 Operation 116 20:9 Command termination 118 20:10 Time activation operations 120 20:11 Additional cause diagnosis in negative control service response 124 20:12 Control Service Tracking 127 21 Time and time synchronization models 128 22 Naming convention 128 23 File Transfer 128 23:1 File transfer model 128 23:2 File Services 130 24 Consistency 136 24:1 Identification 136 24:2 PICS 137 24:3 PICS Statement 167 25 Substation Configuration Language (SCL) 169 25:1 SCL files and SCL extensions 169 25:2 Overview 169 25:3 SCSM specific address element definition 169 25:4 Subnet protocol types 173 25:5 SCSM namespace 173 Appendix A (normative) Application protocol specification for GOOSE and GSE management 174 A:1 ASN:1 definition 174 A:2 BER encoding rules 176 A:3 Fixed length encoded GOOSE message 177 A:4 Consistency181 Appendix B (informative) Multicast address selection 182 Appendix C (Normative) Overview of ISO /IEC 8802-3 frame structure for GSE management and GOOSE 183 C:1 Protocol Data Unit (PDU) 183 C:2 PDU field 189 Appendix D (Informative) SCL Conformance 192 Appendix E (informative) Time scale and epoch 193 Appendix F (Normative) Type extensions to ISO 9506-1:2003 and ISO 9506-2:2003 194 F:1 Overview 194 F:2 ISO 9506-1 (Service Definition) 194 F:3 ISO 9506-2 (protocol specification) 194 Appendix G (informative) SCL file use case 196 Appendix H (Informative) General Substation Status Event (GSSE) - Repealed 220 Appendix I (Informative) Certificate Management 221 Appendix J (Normative) Routable GOOSE and SV 222 J:1 Overview 222 J:2 Application Protocol Set 222 J:3 GOOSE, SV and Management Application Protocol Set 222 Appendix K (Normative) Compatibility of different versions of this document 232 K:1 Overview 232 K:2 Compatibility rules 232 of IEC 61850-8-1 K:3 Special Compatibility Rules 237 Reference 238 Figure 1 Overview of functions and protocol set11 Figure 2 OSI reference model and protocol set 13 Figure 3 Logical node mapping algorithm 24 Figure 4 Functional constraint sequence table 25 Figure 5 The relationship between LCB attributes and IEC 61850-7-2 log definition 83 Figure 6 GetGoReference service primitive 91 Figure 8 Event transmission time 96 Figure 9 SendGOOSEMessage service primitive 96 Figure 10 Publisher state machine of GOOSE service 97 Figure 11 Subscriber state machine of GOOSE service 97 Figure 12 Read multicast sample value reference service primitive 101 Figure 13 GetMsvElementNumber service primitive 103 Figure 14 Mapping from ACSI file reading to MMS file opening, file reading, and file closing 131 Figure 15 Mapping of ACSI write file service 134 Figure A:1 BER coding rule format 177 Figure A:2 Identification octet format 177 Figure C:1 GOOSE publisher’s ISO /IEC 8802-3 frame format 183 Figure C:2 ISO /IEC 8802:3 frame format for GOOSE publisher with HSR link redundancy 185 Figure C:3 ISO /IEC 8802:3 frame format for GOOSE publisher with PRP link redundancy 187 Figure C:4 VLAN flag 189 Figure C:5 Reserved 1 structure 191 Figure J:1 Universal byte order for session protocols 223 Figure J:2 Structure of the routable GOOSE/SV session protocol 224 Figure J:3 IP header format 231 Figure J:4 TOS byte field definition of RFC2474 and RFC3168 231 Table 1 MMS objects and services used in this document12 Table 2 Services that require the use of the client/server communication protocol set14 Table 3 Services and protocols for client/server communication application protocol set15 Table 4 Services and protocols for the client/server TCP/IP transport protocol set17 Table 5 Services requiring GSE management and GOOSE communication protocol set 18 Table 6 Services and protocols for GSE management and GOOSE communication application protocol set 18 Table 7 RFC1240 application protocol set option 18 Table 8 GOOSE/GSE transport protocol set 19 Table 9 UDP domain implementation requirements 20 Table 10 Time synchronization application protocol set 20 Table 11 Time synchronization transmission protocol set 21 Table 12 Services that require the use of sampled value management and sampled value communication protocol sets 21 Table 13 Services and protocols of the sample value management and multicast sample value communication application protocol set 22 Table 14 MSV transport protocol set 22 Table 15 ACSI basic type mapping 27 Table 16 Physical communication address structure for layer 2 communication 30 Table 17 Associated ACSI service error mapping 31 Table 18 Release service error map 32 Table 19 Read name list conflicts with IEC 61850 object class and object range 32 Table 20 Read Name List Service Error Mapping 33 Table 21 Reading named variable list object error mapping 34 Table 22 Writing named variable list object error mapping 34 Table 23 Define named variable list service error mapping 35 Table 24 Read Named Variable List Attribute Service Error Mapping 36 Table 25 Delete named variable list service error mapping 37 Table 26 Read service error mapping 38 Table 27 Write service error mapping 39 Table 28 Read variable access attribute service error mapping 41 Table 29 Log Service error mapping 41 Table 30 File Directory Service Error Mapping 42 Table 31 ACSI service error to get file service error mapping 43 Table 32 Mapping of open file service errors to ACSI service errors 43 Table 33 ACSI service error to read file service error mapping 44 Table 34 ACSI service error to close file service error mapping 44 Table 35 ACSI service error to delete file service error mapping 45 Table 36 IEC 61850-7-2 time quality encoding 46 Table 37 Trigger condition code 47 Table 38 Report contains reason code 47 Table 39 Log contains reason code 47 Table 40 Physical communication address 48 for UDP/IP communication Table 41 Report control block option encoding 49 Table 42 Sample value option encoding 49 Table 43 Detection condition code 49 Table 44 IEC 61850-7-3 quality code 50 Table 45 ACSI read server (logical device) to MMS mapping 52 Table 46 ACSI read server directory (file) to MMS mapping 53 Table 47 Communication protocol set corresponding to the association model 53 Table 48 ACSI associated service to MMS mapping 54 Table 49 ACSI release service to MMS mapping 55 Table 50 Read Named Table Class 57 for reading logical node directory services Table 51 ACSI read logical node directory (data object) service to MMS mapping 57 Table 52 ACSI read all data value service to MMS mapping 59 Table 53 Mapping of read data value service parameters 60 Table 54 Mapping of write data value service parameters 60 Table 55 Mapping of read data directory service parameters 61 Table 56 Mapping of read data set value service parameters 62 Table 57 Mapping of write data set value service parameters 62 Table 58 Create mapping of data set service parameters 63 Table 59 Deleting the mapping of data set service parameters 63 Table 60 Mapping of directory service parameters of read data set 64 Table 61 Mapping of common data class CST to MMS type definition 65 Table 62 Mapping of ACSI service type values 65 Table 63 Mapping of ACSI service error values 68 Table 64 Mapping of public data class BTS to MMS type definition 69 Table 65 Mapping of public data class UTS to MMS type definition 70 Table 66 Mapping of public data class LTS to MMS type definition 71 Table 67 Mapping of public data class GTS to MMS type definition 72 Table 68 Mapping of public data class STS to MMS type definition 73 Table 69 Mapping of public data class MTS to MMS type definition 73 Table 70 Mapping of public data class NTS to MMS type definition 74 Table 71 SGCB to MMS type definition mapping 75 Table 72 BRCB to MMS type definition mapping 76 Table 73 URCB to MMS type definition mapping 78 Table 74 Access result sequence 80 for variable list name reporting Table 75 MMS log control block definition 83 Table 76 Mapping of log enable values 84 Table 77 ACSI log entry mapping 85 Table 78 Generic mapping for ACSI log model services 87 Table 79 Mapping of query log request parameters by time 88 Table 80 Mapping of response parameters 88 Table 81 Mapping of query log request parameters by time point 88 Table 82 Log consistency requirements 89 Table 83 MMS type description definition for GoCB MMS structure 90 Table 84 Read GOOSE reference service mapping 92 Table 85 Read GOOSE reference 92 Table 86 Read GOOSE element number service mapping 94 Table 87 Read GOOSE element number 95 Table 88 GOOSE service parameter mapping 98 Table 89 Read sample value reference service mapping 101 Table 90 Read sample value reference service 102 Table 91 Read sample value element sequence number service mapping 103 Table 92 Read sample value element number 104 Table 93 Control service parameters 106 Table 94 Mapping of IEC 61850-7-2 control model to MMS control components 106 Table 95 Control service mapping 107 Table 96 Select service parameter mapping 109 Table 97 Select service mapping 109 Table 98 Select parameter mapping with value 110 Table 99 Select service mapping with value 111 Table 100 Access result specification with value selection, operation and cancellation 113 Table 101 Cancel service parameter mapping 113 Table 102 Unmapping service 114 Table 103 Operation service parameter mapping 116 Table 104 Operation service mapping 117 Table 105 Command to terminate service mapping 119 Table 106 Time activation operation service parameter mapping 120 Table 107 Time activation operation service mapping 121 Table 108 Time activation operation termination service mapping 123 Table 109 Final application error variable structure definition 125 Table 110 Mapping of ACSI extra reason values 126 Table 111 Mapping of public data class CTS to MMS type definition 128 Table 112 Mapping of ACSI file classes to MMS file objects 129 Table 113 Reserved file suffix 129 Table 114 Mapping of ACSI read file service parameters 132 Table 115 ACSI read file service mapping 132 Table 116 Mapping between read file service errors and MMS service errors 133 Table 117 Mapping of ACSI write file parameters 134 Table 118 ACSI delete file service mapping 135 Table 119 Mapping of ACSI read file attribute value parameters 135 Table 120 Mapping of ACSI directory entry list 136 Table 121 Application protocol set PICS 137 Table 122 Time synchronization application protocol set PICS 138 Table 123 Transmission protocol set PICS 138 Table 124 MMS initialization request general parameters 139 Table 125 MMS initialization response common parameters 140 Table 126 MMS initialization error common parameters 141 Table 127 Conformance of MMS support services Table 141 Table 128 MMS parameters CBB 147 Table 129 Read name table consistency statement 148 Table 130 Reading capability table conformance statement 149 Table 131 Read domain attribute consistency statement 150 Table 132 State consistency statement 151 Table 133 Cancellation of conformance statement 151 Table 134 indicates conformance statement 152 Table 135 Environmental and General Management Conformity Statement 152 Table 136 End of Conformance Statement 153 Table 137 Variable access consistency statement 154 Table 138 Variable access selection consistency statement 154 Table 141 Non-uniform variable access specification I 157 Table 142 Non-uniform variable access specification II 157 Table 143 Variable access specification for LDevice/MHAI1:HA:phsAHar(7)[MX] 158 Table 144 Variable access specification for LDevice/MHAI1:HA:phsAHar(7)[MX] 158 Table 145 Variable access specification conformance statement 159 Table 146 Variable specification conformance statement 159 Table 147 Read Service Conformance Statement 160 Table 148 Writing Service Conformance Statement 160 Table 149 Information Reporting Conformity Statement 161 Table 150 Obtain variable access attribute conformance statement 161 Table 151 Define named variable list conformance statement 162 Table 152 Obtaining the consistency statement of the named variable list attribute 162 Table 153 Delete named variable list consistency statement 163 Table 154 Read log consistency statement 163 Table 155 Entry content consistency statement 165 Table 156 File directory consistency statement 165 Table 157 Open file consistency statement 166 Table 158 Read file consistency statement 167 Table 159 Close file consistency statement 167 Table 160 GOOSE Conformity Statement 168 Table 161 Conformance Statement for Multicast Sampled Values 169 Table 162 P type definitions that can be used for client/server addressing 170 Table 163 GSE2 layer SCL definition 171 Table 164 GSE/SMV based on UDP/IPSCL definition 172 Table A:1 Fixed length GOOSE header encoding 178 Table A:2 All data encoding of fixed-length GOOSE messages - basic data type 179 Table A:3 Data encoding example 179 Table B:1 Examples of suggested multicast addresses182 Table C:1 VLANID and priority 190 Table C:2 Ethernet type value assignment 190 Table D:1 SCL conformance level 192 Table D:2 ACSI services supported for SCL:2192 Table J:1 SPDU length encoding example 226 Table J:2 IPv4 network protocol consistency implementation description based on transport protocol set (PICS) 230

Foreword

This document complies with the provisions of GB/T 1:1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting: This document is Part 8-1 of GB/T 42151 "Power Automation Communication Networks and Systems": GB/T 42151 has issued the following part: ---Part 5: Functional communication requirements and device model; ---Part 8-1: Specific Communication Services Mapping (SCSM) mapping to MMS (ISO 9506-1 and ISO 9506-2) and ISO / IEC 8802-3: This document is equivalent to IEC 61850-8-1:2020 "Power automation communication networks and systems - Part 8-1: Specific communication service mapping" (SCSM) is mapped to MMS (ISO 9506-1 and ISO 9506-2) and ISO /IEC 8802-3: The technical differences between this document and IEC 61850-8-1:2020 and their reasons are as follows: a) Added the abbreviation "x: exclude, indicating that the application should not implement this item (exclude)" (see Chapter 4); b) Delete "This application protocol set should comply with ISO /ISP14226-1, ISO /ISP14226-2, ISO /ISP14226-3, ISO / "Convention of IEC ISP11188-1 and ISO /IEC ISP11188-3" (see 6:2:2:2), the normatively cited standards have been abolished and deleted: The removal will not cause ambiguity and will not affect use: Please note that some content in this document may be subject to patents: The publisher of this document assumes no responsibility for identifying patents: This document is proposed by the China Electricity Council: This document is under the jurisdiction of the National Electric Power System Management and Information Exchange Standardization Technical Committee (SAC/TC82): This document was drafted by: Beijing Sifang Relay Automation Co:, Ltd:, Nari Group Co:, Ltd:, State Grid Co:, Ltd: Electric Power Dispatch Control Center, China Electric Power Research Institute Co:, Ltd:, China Southern Power Grid Electric Power Technology Co:, Ltd:, State Grid Zhejiang Electric Power Co:, Ltd:, State Grid Jiangsu Electric Power Co:, Ltd:, State Grid Jilin Electric Power Co:, Ltd:, Xuji Electric Co:, Ltd:, Nanjing Nari Relay Protection Electric Co:, Ltd:, Tianjin Jinrail Huihai Technology Development Co:, Ltd:, Guodian Nanjing Automation Co:, Ltd:, Shanghai Siyuan Hongrui Automation Co:, Ltd:, Nanjing Dianyan Electric Power Automation Co:, Ltd: The main drafters of this document: Ren Yanming, Shen Jian, Wang Yongfu, Du Jun, Liao Zeyou, Tang Yongjian, Yin Jun, Zhou Bin, Chen Dehui, Zhang Chunxiao, Du Qiwei, Yang Song, Li Jinsong, Zhang Qibing, Sun Yimin, Peng Zhiqiang, Feng Shanqiang, Peng Qi, Sun Dan, Wei Jieru, Han Wei, Zhou Shaoliang, Wu Qian, Hu Daoxu:

Introduction

GB/T 42151 "Power Automation Communication Networks and Systems" aims to provide interoperability for all devices in the power automation system: simulate Consists of the following parts: ---Part 1: Introduction: The purpose is to provide an overview of this document: ---Part 2: Terminology: The purpose is to list terms and definitions used in this document: ---Part 3: General requirements: The purpose is to introduce the overall requirements of communication networks, focusing on quality requirements: ---Part 4: Systems and Project Management: The purpose is to describe the requirements for systems and project management processes and for engineering and test Requirements for dedicated support tools required: ---Part 5: Communication requirements for functional and device models: The purpose is to specify the communication requirements for each function of the power automation system: ---Part 6: Configuration description language for device communication in power automation systems: The purpose is to communicate in some compatible way Descriptions of capabilities for exchanging intelligent electronic devices and descriptions of power automation systems between tools provided by different manufacturers: ---Part 7: Basic communication structure of power automation system: The purpose is to define a hierarchical class model and the services to implement communication between devices: ---Part 8: Specific Communication Service Mapping SCSM: The purpose is to provide substation station control layer and bay layer and station control layer and Communication mapping between bay layers: ---Part 9: Specific Communication Service Mapping SCSM: The purpose is to provide substation bay level and process level and bay level and Communication mapping between process layers: ---Part 10: Conformance testing: The purpose is to specify standard techniques for implementing conformance testing and to be used when proposing performance parameters: specific measurement techniques: GB/T 42151 "Power Automation Communication Networks and Systems" defines communication networks and systems for power automation systems, especially power substations: Communication architecture of subsystems such as station automation systems: The sum of all these subsystems can also contribute to the communication body of the entire power system management: The architecture describes the communication between devices in these subsystems and the communication between subsystems in the entire power automation system: Starting from the core needs of the power station, it meets a large number of requirements for all functions in the power automation system: Organize data in a data model These requirements are raised in the data exchange and data exchange that generates services: The performance of data exchange means not only the transmission time of data exchange, but also It also means the quality of data exchange, thereby avoiding the loss of information during communication: This document specifies the data model and abstract communication service interface and manufacturing message specification (MMS) of the GB/T 42151 series of standards and Implementation details of mapping between Ethernet technologies, such as the correspondence between ACSI communication services and MMS communication services, etc:, at the same time this article The software also considers support for network security and accurate time synchronization technical solutions: This document is intended for manufacturers, users and It is of great significance for the quality inspection center to correctly implement, use and test the products and systems of GB/T 42151: Power automation communication network and system Part 8-1: Specific Communication Services Mapping (SCSM) Mapping to MMS (ISO 9506-1 and ISO 9506-2) and ISO /IEC 8802-3

1 Scope

1:1 General This document specifies the real-time and non-real-time capabilities of local area networks by mapping ACSI to MMS and ISO /IEC 8802-3 frames: Methods of data exchange: MMS services and protocols are specified to run over a fully compatible set of OSI and TCP communication protocols: MMS supports both centralized and Distributed architecture data exchange: This document includes the exchange of real-time data indications, control operations, and report notifications: This document specifies ACSI (Abstract Communications Services Interface, IEC 61850-7-2) objects and services to MMS (Manufacturing Message Specification, Mapping of ISO 9506) and ISO /IEC 8802-3 frames: This document also specifies the mapping of real-time information to non-MMS protocols: The semantics of this protocol are specified in IEC 61850-7-2: This article The document contains protocol syntax, specifications, mapping to ISO /IEC 8802-3 frame format, and tools related to the use of ISO /IEC 8802-3: body method: The mapping from ACSI to MMS specifies how to use MMS concepts, objects and services to implement ACSI concepts, objects and services: This mapping enables interoperability between functions implemented by different manufacturers: This document specifies the standard method for data exchange using ISO 9506 services: For those specified in IEC 61850-7-2 For ACSI services directed to MMS, this document will specify other protocols: This document uses an object-oriented approach and is based on the external application of the actual device: Conforms to data and behavior, describing the actual device: These objects themselves are abstract and can be applied in a wider range of applications: This application has exceeded The application scope of power automation communication has been expanded: This document provides a mapping of objects and services specified in IEC 61850-7-2, IEC 61850-7-3 and IEC 61850-7-4: 1:2 Namespaces and versions This document is required for any IEC 61850 namespace (as defined in IEC 61850-7-1): Parameters used to identify namespace versions: ---Namespace version:2003; ---Namespace revision:A; ---Namespace name: "IEC 61850-8-1:2003": Version Release DateIEC Web Store Namespace Version 1:0:2004-05 IEC 61850-8-1:2004 IEC 61850-8-1:2003 Version 2:0:2011-06 IEC 61850-8-1:2011 IEC 61850-8-1:2003 Revision 1 of version 2:0 2020-02 IEC 61850-8-1:2011/AMD1:2020 IEC 61850-8-1:2003 Version 2:1 2020-02 IEC 61850-8-1:2011 AMD1:2020CSV IEC 61850-8-1:2003 1:3 Code component distribution Code components are available in both simplified and full versions:
GB/T 42151.81-2023 English cover page

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