GB/T 20999-2017 English PDF

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GB/T 20999-2017: Data communication protocol between traffic signal controller and control center
Status: Valid

GB/T 20999: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 20999-2017	1239	Add to Cart	8 days	Data communication protocol between traffic signal controller and control center	Valid
GB/T 20999-2007	RFQ	ASK	5 days	Data communication protocol between traffic signal controller and control center	Obsolete

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Basic data

Standard ID: GB/T 20999-2017 (GB/T20999-2017)
Description (Translated English): Data communication protocol between traffic signal controller and control center
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: L79
Classification of International Standard: 35.100.01
Word Count Estimation: 62,667
Date of Issue: 2017-12-29
Date of Implementation: 2018-07-01
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 20999-2017: Data communication protocol between traffic signal controller and control center

---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.
Data communication protocol between traffic signal controller and control center ICS 35.100.01 L79 National Standards of People's Republic of China Replacing GB/T 20999-2007 Between the traffic signal controller and the host computer Data Communication Protocol Published on.2017-12-29 2018-07-01 Implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Administration released Directory Preface I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Data Communication Protocol Structure 2 5 Physical Layer 3 6 Data Link Layer 3 7 Network Layer 4 8 Application Layer 4 Appendix A (Normative) Communication Frame Structure and Specification Definition 5 Appendix B (Normative) Object ID Number Definition 11 Appendix C (Normative) Detailed definition of data types 24 Appendix D (Normative) Communication Protocols and Message Examples 52 Reference 59

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 20999-2007 "Data Communication Protocol between Traffic Signal Controller and Host Computer" and GB/T 20999- Compared with.2007, the main technical changes except editorial changes are as follows. --- Added terms such as phase green interval time, phase phase, phase phase transition constraints, and phase phase chain; --- Removed the term output channel and the empty interval; --- Modify the contents of the coordination control for the central coordination control and local coordination control; --- Appendix A, Appendix B, and Appendix C specify the communication procedures, state constants, data tables, and data fields; --- Added Appendix D for illustration. This standard is proposed and managed by the National Intelligent Transportation System Standardization Technical Committee (SAC/TC268). This standard was drafted by. Public Security Bureau of Beijing Public Security Bureau, Beijing Jiaotong Guotong Intelligent Transportation System Technology Co., Ltd., Beijing Bo Yan Zhi Tong Technology Co., Ltd., North China University of Technology, Qingdao Hisense Network Technology Co., Ltd., China Software Testing Center. The main drafters of this standard. Fan Yongqiang, Zhuo Wei, Wei Ran, Chen Danong, Kong Tao, Zhang Jisheng, Shen Hui, Xu Dajiang, Zhao Xin, Zhang Fusheng, Zhang Yongzhong, Yin Shengchao, Zhou Runsong, Tian Liting, Qi Xiaodong. The previous versions of the standard replaced by this standard are. ---GB/T 20999-2007. Between the traffic signal controller and the host computer Data Communication Protocol

1 Scope

This standard specifies the structure of the data communication protocol between the traffic signal controller and the host computer, the physical layer, the data link layer, and the network layer. Application layer requirements. This standard is applicable to the data communication between the signal generator and the host computer in the traffic signal control system.

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 15126-2008 Information Technology Open System Interconnection Network Service Definition GB/T 17547-1998 Information technology open system interconnection data link service definition RFC0768 UDP Protocol (Userdatagramprotocol) RFC0791 IP Protocol (Internet protocol) RFC0793 TCP Protocol (Transmissioncontrolprotocol) IEEE802.2/3.1985 LAN Protocol Standard (EthernetLAN Protocol)

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Upper computer control center In a traffic signal control system, an upper device that can communicate with and monitor and monitor multiple semaphores. 3.2 Traffic Signal Controllers roadtrafficsignalcontroler A device capable of changing the order of road traffic signals, adjusting the timing, and controlling the operation of road traffic lights (may be referred to simply as a signal). 3.3 Phase phase A signal sequence consisting of red, yellow, green, or red and green changes assigned to one or more traffic flows (the pedestrian light set has no yellow light). 3.4 Phase offset offset In coordination control, the difference between the specified reference intersection and the start time or end time of the phase of the coordination intersection. 3.5 Signal group signallightgroup A complete combination of red, yellow, and green headlights or pedestrian red and green headlights. The signal group corresponds to the output of one phase. ......

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