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GB/T 34658-2025 English PDF

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GB/T 34658: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 34658-2025	RFQ	ASK	3 days	Conformance test for communication protocols between off-board conductive charger and battery management system for electric vehicle	Valid
GB/T 34658-2017	285	Add to Cart	Auto, < 3 mins	Conformance test for communication protocols between off-board conductive charger and battery management system for electric vehicle	Valid

Basic data

Standard ID: GB/T 34658-2025 (GB/T34658-2025)
Description (Translated English): Conformance test for communication protocols between off-board conductive charger and battery management system for electric vehicle
Sector / Industry: National Standard (Recommended)
Date of Implementation: 2026-03-01
Older Standard (superseded by this standard): GB/T 34658-2017

GB/T 34658-2017: Conformance test for communication protocols between off-board conductive charger and battery management system for electric vehicle

---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.
Conformance test for communication protocols between off-board conductive charger and battery management system for electric vehicle ICS 29.200 K81 National Standards of People's Republic of China Non-vehicle conduction chargers and battery management for electric vehicles Communication protocol conformance testing between systems Published on October 10,.2017 2018-05-01 Implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Administration released Directory Preface I Introduction II 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Abbreviations 2 5 Conformance Test Requirements 3 6 Conformance Test System 4 7 Conformance test content 5 Appendix A (Normative) Protocol Conformance Test Static Document 30

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. Please note that some of the contents of this document may involve patents. The issuing agency of this document does not assume responsibility for identifying these patents. This standard is proposed and managed by the China Electricity Council. This standard is drafted by. State Grid Corporation of China, China Electricity Council, State Grid Electric Power Research Institute, China Automotive Technology Research Institute Center. Participated in the drafting of this standard. State Grid Electric Vehicle Service Co., Ltd., XJ Power Co., Ltd., Xuchang Kaipu Detection Technology Co., Ltd. Division, Shenzhen Aotexun Electric Power Equipment Co., Ltd., China Electric Power Research Institute, Shanghai Electric Apparatus Research Institute, Guangdong Power Grid Co., Ltd. Company Electric Power Research Institute, Putian New Energy Co., Ltd., Dongfeng Motor Co., Ltd. Dongfeng Nissan Passenger Car Company, State Grid Beijing Power Company, State Grid Shandong Electric Power Company, BYD Auto Industry Co., Ltd., Nanjing Nengrui Electric Power Technology Co., Ltd., Beijing Qunling Energy Technology Co., Ltd., Weikai Detection Technology Co., Ltd. The main drafters of this standard. Shen Jianxin, Liu Yongdong, Li Xuling, Li Xiaoqiang, Yu Bo, Ni Feng, Li Zhiming, Yan Qunfeng, Li Baosen, Xu Wei, Huang Hao, Ma Jianwei, Ye Jiancheng, Li Hongyan, Lu Guowei, Bai Ou, Wan Xinhang, Li Taoyong, Li Xinqiang, Deng Kai, He Chun, Huang Zhaokun, Zhu Jie, Liu Xiulan, Li Jianxiang, He Xuefeng, Ma Yanhua, Zhong Yilin, Sun Yibing, Zhang Jinbin.

Introduction

The protocol conformance test is a kind of functional test. It is based on a certain network environment and uses a set of test sequences to implement the tested protocol. Tests are conducted to determine the degree to which the measured performance is consistent with the description criteria by comparing the actual output with the expected output. by Protocol conformance testing can reduce the risk of mistakes when the product runs in the field. During the implementation of the protocol, due to 1) the description of the protocol standard is ambiguous, and there is an ambiguity in the understanding; 2) the programming method and the implementation of the protocol Different types; 3) Different equipment selection and configuration implemented by protocol, etc. There are certain differences in the implementation of different protocols, so the agreement is consistent. Sex testing is very necessary. The protocol conformance test is to detect the existence of errors instead of verifying that there is no error, relying on the consistency test alone does not absolutely guarantee that The interconnection and interoperability used should be based on this and carry out corresponding interoperability tests. Protocol conformance testing is the basis of interoperability testing. Only products that pass the protocol conformance test indicate that they meet the relevant protocol targets. Quasi-required, it makes sense to conduct interoperability testing. The protocol conformance test does not include the design evaluation of the protocol standard itself, nor does it include the performance and redundancy of the implementation body of the specific protocol. Degree, robustness and reliability assessment content. Non-vehicle conduction chargers and battery management for electric vehicles Communication protocol conformance testing between systems

1 Scope

This standard stipulates non-vehicle conduction type chargers (hereinafter referred to as chargers) and battery management systems (hereinafter referred to as BMS) for electric vehicles. Communication protocol conformance testing requirements, conformance testing systems, and conformance testing content. This standard applies to protocol conformance testing of products declared to comply with GB/T 27930-2015.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. GB/T 17178.1-1997 Information technology open system interconnection conformance testing method and framework Part 1. Basic concepts GB/T 27930-2015 Communication protocol between non-vehicle conduction charger and battery management system for electric vehicles

3 Terms and Definitions

The terms and definitions defined in GB/T 17178.1-1997 and the following terms apply to this document. 3.1 Abstract test case abstracttestcase Defined at the level of abstraction of a particular abstract test method, a complete and independent action required to obtain special test purposes The specification. It starts and ends in a stable test state. [GB/T 17178.1-1997, definition 3.3.3] 3.2 Abstract test suite abstracttestsuite;ATS A test suite consisting of abstract test cases. [GB/T 17178.1-1997, definition 3.3.6] 3.3 Measured to achieve implementationundertest;IUT An implementation of a protocol with a provider relationship. Note. Rewrite GB/T 17178.1-1997, definition 3.3.43. 3.4 Conformance testing The test IUT is the degree to which a consistent implementation has been achieved. [GB/T 17178.1-1997, definition 3.3.23] 3.5 Executable test case executabletestcase Abstract test case implementation. [GB/T 17178.1-1997, definition 3.3.31] 3.6 Executable test suite executabletestsuite;ETS A test suite consisting of executable test cases. [GB/T 17178.1-1997, definition 3.3.33] 3.7 Implementation Conformance Statement implementationconformancestatement;ICS Statements made by providers who claim to be in compliance with the given specification or system, state what capabilities have been achieved. [GB/T 17178.1-1997, definition 3.3.39] 3.8 Implementation Conformance Statement [ICS] Formal Table implementationconformancestatement[ICS]proforma Documents that appear as questionnaires become ICS when completed for an implementation or system. [GB/T 17178.1-1997, definition 3.3.40] 3.9 Test implementation additional information implementationextrainformationfortesting;IXIT Statement made by the provider or implementer of the IUT, which includes or references all information related to the IUT and its test environment (Except for the information given by the ICS), this statement allows the test laboratory to run the appropriate test suite for the IUT. [GB/T 17178.1-1997, definition 3.3.41] 3.10 Test Implementation Additional Information [IXIT] Form Table implementation extrainformationfortesting[IXIT]proforma Documents that appear as questionnaires become IXIT when completed for an IUT. [GB/T 17178.1-1997, definition 3.3.42] 3.11 Protocol Implementation Conformance Statement protocolimplementationconformancestatement;PICS ICS that claims an implementation or system consistent with a given protocol specification. [GB/T 17178.1-1997, definition 3.3.80] 3.12 Test protocol implementation additional information protocolimplementationextrainformationfortesting;PIXIT IXIT related to conformance testing for a given protocol specification. [GB/T 17178.1-1997, definition 3.3.81] 3.13 Test case testcase Abstract or executable test case. [GB/T 17178.1-1997, definition 3.3.107] 3.14 Test laboratory Institution performing compliance testing.

4 Abbreviations

The following abbreviations apply to this document. ATS. abstract testcase BCL. BMS charging request message (BMS charging request message) BCP. BMS charging parameter message (BMS charging parameter message) BCS. BMS charging status message (BMS charging status message) BEM. BMS error message (BMS error message) BHM. Vehicle handshake message (BMS handshake message) BMS. battery management system (battery management system) BMT. BMS temperature information message BMV. BMS voltage integration message BRM.BMS and Vehicle Identification Messages (BMSrecognitionmessage) BRO. BMSreadiness status message (BMSreadiness status message) BSD. BMS statistics data message (BMS statistics data message) BSM. BMS status message (BMS status message) BSP. BMSstatuspreservedmessage BST. BMS stopping charging message (BMSstoppingchargingmessage) CCS. chargerchargingstatusmessage CEM. Charger error message (charger error message) CHM. Charger handshake message (charger handshake message) CML. Charger maximum/minimum output parameter message CRM. chargerrecognitionmessage CRO. charger readiness status message (chargerreadiness status message) CSD. Charger statistics data message (charger statistics data message) CST. chargers chargingchargingmessage CTS. charger time synchronization message (chargertimesynchronizationmessage) ETS. Executable test suite (executable test suite) ICS. Implementation Conformance Statement IUT. Implemented under test (implementation undertest) IXIT. test implementation additional information (implementationextrainformationfortesting) PICS. Protocol Implementation Conformance Statement (protocol implementation conformance statement) PIXIT. test protocol implementation additional information (protocolimplementationextrainformationfortesting)

5 Conformance test requirements

5.1 Overview This standard is to verify whether IUT meets the requirements of GB/T 27930-2015, that is, to verify the conformity of IUT with the standard in the implementation of the protocol. degree. 5.2 Test Procedure The entire test process is shown in Figure 1. Preparations for testing include filling in static documents, building test systems, and so on. PICS files and PIXIT The document was completed by the IUT provider and test lab. After confirming that all devices are normally started, you can turn on the upper computer to test the software. Parts for follow-up test operations. After the test is completed, a test report is generated and the test conclusion is drawn. Figure 1 Protocol Conformance Test Procedure 5.3 Test Content Classification The test content is classified as follows. a) Must The mandatory item is to declare the test content that the IUT must possess in the PICS file, and a conformance test should be conducted. b) Options The optional option is to declare the IUT optional test content in the PICS file. If there is a statement of the test content, it should be consistent. Sex test. c) Additional items Additional items are additional test content provided by the IUT provider in the PICS file, through IUT providers and test labs Make a test.

6 Conformance Test System

6.1 Overview The structure of the communication protocol conformance test system is shown in Figure 2. Figure 2 Protocol Conformance Test System Architecture 6.2 Abstract Test Suite Write test objectives according to the technical requirements of the protocol standards, form abstract test cases, and abstract tests covering all technical requirements of the protocol standards The collection of cases constitutes an abstract test suite. 6.3 Static Documents Static documents include PICS and PIXIT. PICS shall be provided by the IUT provider stating that the IUT's achieved capabilities and options have been fulfilled The PIXIT should include all information related to the IUT and its test environment (except for information given by the PICS), as detailed in Table A.1, Table A.2. 6.4 Executable Test Suite Executable test suites consist of executable test cases. Executable test cases are implementations of abstract test cases. According to the static document provided by the Ministry With the subparameters and additional information, the test laboratory can sort abstract test cases into executable test cases, and finally combine them into executable test cases. carry out testing. 6.5 Tested to achieve The measured implementation is a CAN physical layer, data link layer, and application layer product that meets the requirements of GB/T 27930-2015. The IUTs referred to in this standard mainly include non-vehicle chargers (or controllers) and BMSs that use conductive charging methods. Electric control functions of other vehicle control units) etc.

7 Conformance test content

7.1 Test Case Encoding Rules The coding rules of the communication protocol conformance test items are shown in Figure 3. Figure 3 coding rules for test cases The test cases are divided into. a) Positive test. In order to verify the IUT response under ideal communication conditions; b) Negative test. In order to verify the response of the IUT in abnormal communication state. Tests are conducted from simple tests to negative tests, from simple to complex tests. Note. The IUT receives packets whose message types, message contents, and message lengths do not match the standard definition and does not require immediate downtime. 7.2 Test Message Time Error Requirements The IUT periodically sends messages during the communication process and receives the other party's messages at the same time. If the IUT receives no messages from the other party within the timeout period, If the correct message is not received, it will be judged to time out and send an error message. Table 1 shows the packet timeout time and cycle time error requirements. Table 1 packet time error requirements Parameter nominal value t Error range Packet timeout 1s 0.2s 5s 0.5s ≥10s 3s Packet cycle time 10ms ±3ms 􀪋 􀪋 ≥50ms ± (t×10%)ms 􀪋 􀪋 7.3 Other requirements Other requirements are as follows. a) In the operation not specified in GB/T 27930-2015, the IUT's handling should meet the safety requirements; b) In the process of communication, after the current message reaches the suspension of the transmission condition, the IUT shall stop sending the message within 500ms; c) In the negative test, the test system will send a message that does not match the definition of a certain message type. The content of the "disagreement" includes message priority. Level, reserved bit, data page, PDU format, destination address, and source address. 7.4 BMS Test Cases 7.4.1 Low Voltage Auxiliary Power Up and Charge Handshake Phase The test system simulates the communication logic of the charger and the measured BMS performs the information exchange. Low voltage assisted power-on and charge handshaking phases The test case is shown in Table 2. The test mainly focuses on the communication logic, BHM message and BRM message at this stage. Table 2 BMS Test Cases - Low Voltage Auxiliary Power Up and Charge Handshake Phase Test case number BP.1001 Preconditions (1) The CAN communication rate of the test system and the BMS is set to 250 kbit/s; (2) The physical connection between the test system and the BMS is completed and locked; (3) Test system low-voltage auxiliary power circuit contactor K3K4 closed Test step expected result The test system sends CHM messages in a period of 250ms. The format, content and cycle are in line with GB/T 27930-2015 9.1 And 10.1.1 requirements After the BMS receives the CHM message, it sends it in a 250ms cycle. BHM message, SPN2601 is the maximum allowable charge for BMS Pressure, message format, content and cycle in line with GB/T 27930-2015 In the requirements of 9.1 and 10.1.2, the length of the message is 2 bytes. Table 2 (continued) Test Case Number BP.1002 Precondition 1 ) Test system and BMS complete handshake confirmation; 2) Test system completes insulation monitoring Test step expected result The test system stops sending CHM messages according to a period of 250ms. Send CRM message, SPN2560=0x00, message format, internal The volume and cycle are in accordance with 9.1 and 10.1.3 of GB/T 27930-2015 Requirements 1) The BMS received the CRM message with SPN2560=0x00 After that, stop sending BHM messages; 2) The BMS uses the transmission protocol function to send BRM messages. The format, content and cycle are in line with GB/T 27930-2015 9.1 With the requirement of 10.1.4, the message length is 49 bytes Test case number BP.1003 Precondition test system receives BRM packets Test step expected result The test system sends SPN2560=0xAA in a 250ms cycle CRM message, format, content and cycle of the message comply with GB/T Requirements of 9.1 and 10.1.3 in 27930-2015 1) BMS receives CRM message with SPN2560=0xAA After that, stop sending BRM messages; 2) Enter the configuration stage communication process Test Case No. BN.1001 Preconditions 1) The CAN communication speed of the test system and BMS is set to 250 kbit/s; 2) The physical connection between the test system and the BMS is completed and locked; 3) Test system low-voltage auxiliary power circuit contactor K3K4 closed Test step expected result The test system does not send messages and does not start insulation monitoring. 1) The BMS does not send anything within 60 seconds after it is started from the BMS system. Message 2) For more than 60s, the BMS sends a BEM report with SPN3901=01 Text, message format, content and period are in line with GB/T 27930- 2015 9.5 and 10.5.1 requirements Test Case No. BN.1002 Preconditions 1) The CAN communication speed of the test system and BMS is set to 250 kbit/s; 2) The physical connection between the test system and the BMS is completed and locked; 3) Test system low-voltage auxiliary power circuit contactor K3K4 closed Test step expected result The test system sends a report that does not match the definition of the CHM message type Text, and does not start insulation monitoring 1) The BMS does not send anything within 60 seconds from the start of the BMS system Message 2) For more than 60s, the BMS sends a BEM report with SPN3901=01 Text, message format, content and period are in line with GB/T 27930- 2015 9.5 and 10.5.1 requirements Table 2 (continued) Test Case No. BN.1003 Precondition 1 ) Test system and BMS complete handshake confirmation; 2) Test system completes insulation monitoring Test step expected result The test system stops sending packets. 1) Within 30 s since the first time the CHM packet was received, the BMS presses Send a BHM message in a period of 250ms. 2) For more than 30s, the BMS sends a BEM report with SPN3901=01 Text, message format, content and period are in line with GB/T 27930- 2015 9.5 and 10.5.1 requirements Test Case No. BN.1004 Precondition 1 ) Test system and BMS complete handshake confirmation; 2) Test system completes insulation monitoring Test step expected result The test system sends a CRM message class with a period of 250ms ......

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