Standard No.:	GB/T 43229-2023
English Name:	Determination of arsenic in solid biofuels
Chinese Name:	交通信号控制机与车辆检测器间通信协议
Chinese Classification:	R85    Traffic information management
Professional Classification:	GB    National Standard
ICS Classification:	93.080.30 93.080.30    Road equipment and installations 93.080.30
Issued by:	SAMR; SAC
Issued on:	2023-9-7
Implemented on:	2024-4-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	18500 words
Price(USD):	700.0
Delivery:	via email in 1~5 business day

Communication protocol between road traffic signal controller and vehicle detectors 1 Scope This document specifies the general principles, information formats, communication procedures, and message contents for the communication between road traffic signal controller and vehicle detectors. This document is applicable to communications between road traffic signal controllers and both motor and non-motor vehicle detectors. It also serves as a reference for communications between road traffic signal controllers and pedestrian detectors. 2 Normative references The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies. GB/T 2260 Codes for the administrative divisions of the People's Republic of China GB/T 2312 Code of Chinese graphic character set for information interchange - Primary set GB/T 31418 Terminology of road traffic signal control system GB/T 35789.1-2017 General specification for the electronic identification of motor vehicles - Part 1: Automobile GA/T 16.4 Road traffic management information code - Part 4: Code of vehicle type GA/T 16.7 Road traffic management information code - Part 7: Code of vehicle license plate GA/T 543.5 The data elements for public security (5) 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 31418 apply. 4 Abbreviations For the purposes of this document, the following abbreviation applies. CRC: Cyclical Redundancy Check IP: Internet Protocol TCP: Transmission Control Protocol UDP: User Datagram Protocol UTC: Coordinated Universal Time

Contents Foreword I 1 Scope 2 Normative references 3 Terms and definitions 4 Abbreviations 5 General principles 6 Information format 7 Communication procedures 8 Message content Annex A (Normative) Communication procedures Annex B (Normative) Information format Annex C (Informative) Communication protocol between road traffic signal controller and pedestrian detectors Bibliography