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Similar standardsDB31T845-2020: Public data acquisition technical specifications for new energy vehicles---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/DB31T845-2020DB 31 NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA ICS 43.100 T47 Replacing DB 31/T 845-2014 Public data acquisition technical specifications for new energy vehicles Issued on: DECEMBER 17, 2020 Implemented on: APRIL 1, 2021 Issued by. Shanghai Municipal Administration for Market Regulation Table of ContentsForeword... 3 1 Scope... 5 2 Normative references... 5 3 Terms and definitions... 5 4 General requirements... 6 5 Communication connection... 6 6 Specimens... 6 7 Data unit format and definition... 7 8 Data acquisition and reporting... 12ForewordThis document was drafted in accordance with the provisions of GB/T 1.1-2020 Directives for standardization - Part 1.Rules for the structure and drafting of standardizing documents. This document replaces DB31/T 845-2014 Public data acquisition technical specifications for new energy vehicles and charging infrastructure. Compared with DB31/T 845-2014, in addition to structural adjustments and editorial changes, the main technical changes are as follows. a) The chapter "General requirements" is added (see Chapter 4); b) The requirements for the establishment of "communication connection", information transmission, statistical information reporting, disconnection and reissue mechanism are modified (see Chapter 5; see Chapter 4 of the 2014 edition); c) The data description, data packet structure, command unit and time requirements of "Data packet structure and definition" are modified (see Chapter 6; see Chapter 5 of the 2014 edition); d) The registration information in "Data unit format and definition" is modified to vehicle static information and the requirements for it are modified (see 7.1; see 6.1 of the 2014 edition); e) The requirements for real-time vehicle reporting information and vehicle abnormal alarm data in "Data unit format and definition" are modified (see 7.2; see 6.2 of the 2014 Edition); f) The vehicle logout, platform login, platform logout and requirements for them are added in "Data unit format and definition" (see 7.4, 7.5 and 7.6); g) The requirements for "Data acquisition interval" are modified (see Chapter 8; see Chapter 7 of the 2014 edition). Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed and implemented by Shanghai Municipal Commission of Economy and Information. This document is under the jurisdiction of Shanghai Technical Committee of New Energy Vehicle Application & Standardization. Public data acquisition technical specifications for new energy vehicles1 ScopeThis document specifies the technical requirements for data exchange between the integrated service and management platform of the new energy vehicle remote service and management system (referred to as the integrated platform) and the enterprise service and management platform (referred to as the enterprise platform, including the vehicle manufacturing enterprise platform and the charging pile/hydrogen station operation enterprise platform), including communication protocol structure, data packet structure and definition, data unit format and definition, data information collection interval, etc. This document applies to new energy vehicles and public and dedicated charging facilities registered in Shanghai. New energy vehicle models include passenger cars and commercial vehicles. NOTE. The new energy vehicles specified in this document refer to pure electric, plug-in hybrid, and fuel cell electric vehicles registered in Shanghai.2 Normative referencesThe provisions of the following documents constitute the essential clauses of this document through normative references in this text. Among them, for referenced documents with dates, only the versions corresponding to the dates are applicable to this document; for referenced documents without dates, the latest versions (including all amendments) are applicable to this document. GB/T 32960.3-2016 Technical specifications of remote service and management system for electric vehicles - Part 3.Communication protocol and data format3 Terms and definitionsThe terms and definitions defined in GB/T 32960.3 and the following apply to this document. 3.1 EV charging Station A site that is composed of one or more electric vehicle charging devices, which are used to charge electric vehicles, and in which the status of the charging devices during the charging process can be monitored. 3.2 AC charging spot A dedicated power supply device that uses conduction to provide AC power to electric vehicles with vehicle-mounted chargers. 3.3 DC charging spot A dedicated power supply device that uses conduction to provide DC power to electric vehicles with vehicle-mounted chargers.4 General requirements4.1 The TCP/IP network control protocol is used as the underlying communication protocol for the protocol structure, see Figure 1. 4.2 The connection and communication protocols between platforms shall comply with the provisions of Chapter 5, Chapter 6 and Chapter 7 of this document. 4.3 The communication protocol from the vehicle-mounted terminal to the platform refers to Appendix B of GB/T 32960.3-2016.5 Communication connectionThe establishment of communication connections, information transmission, statistical information reporting, disconnection and reissue mechanisms shall comply with the requirements of Chapter 5 of GB/T 32960.3-2016. 6 Data packet structure and definition 6.1 Data description The data structure type and transmission rules shall meet the requirements of Article 6.1 of GB/T 32960.3-2016. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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