HJ 1239.1-2021 Translated English of Chinese Standard (HJ1239.1-2021): Technical specification for emission remote supervision system of heavy-duty vehicles - Part 1: On-board terminal [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]https://www.chinesestandard.net, 2022. 8. 21. - 23ÆäÀÌÁö This standard specifies the technical requirements for on-board terminals of emission remote monitoring systems of heavy-duty vehicle, including functions, performance requirements, test methods. This standard applies to equipment, which is installed on heavy-duty vehicles, for collecting, storing, transmitting vehicle's OBD information and engine emission data. |
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4 | |
5 | |
General requirements | 6 |
Functional requirements | 7 |
Performance requirements | 11 |
Test methods | 12 |
Implementation requirements | 13 |
Appendix A Normative Test method of onboard terminal | 14 |
Appendix B Normative Test of onboard terminal security | 17 |
Normative Test of data transmission positioning data consistency | 20 |
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antenna authoritative vulnerability board terminal chip ID collection frequency communication protocol cryptographic Data collection data flow information data transmission device under test differential base station differential positioning receiver digital signature downstream of three-way Ecology and Environment electromagnetic compatibility emission remote monitoring encryption engine's maximum base enterprise platform Friction torque GM/T GNSS simulator heavy-duty vehicles high-precision RTK differential hybrid electric vehicles installed km/h management system maximum base torque meet the requirements Ministry of Ecology NMEA NOx sensor downstream OBD communication device OBD information OBD interface on-board terminal output of NOx Output of oxygen oxygen sensor passes the test performance test positioning accuracy private key public key retransmission RTK differential base RTK differential positioning security chip self-test specified in GB/T standard stored system of heavy-duty Table C.1 terminal shall meet Test contents test method test sample test vehicle testing platform three-way catalytic converter transmitted Vehicle identification whole vehicle