GA/T 920-2010 English PDF

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GA/T 920-2010: Communication protocol between road traffic signal controller and vehicle detector

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Basic data

Standard ID: GA/T 920-2010 (GA/T920-2010)
Description (Translated English): Communication protocol between road traffic signal controller and vehicle detector
Sector / Industry: Public Security (Police) Industry Standard (Recommended)
Classification of Chinese Standard: R85
Classification of International Standard: 93.080.30
Word Count Estimation: 17,162
Date of Issue: 2010-12-05
Date of Implementation: 2011-03-01
Quoted Standard: GB 25280-2010; GA/T 509-2004; IEEE 802.2/3
Regulation (derived from): Industry Standard Record Announcement No
Issuing agency(ies): Ministry of Public Security
Summary: This standard specifies the data exchange procedures between the serial interface and the Ethernet interface between the road traffic signal controller and the vehicle detector. This standard applies to road traffic signal control and vehicle detectors.

GA/T 920-2010: Communication protocol between road traffic signal controller and vehicle detector

---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.
Communication protocol between road traffic signal controller and vehicle detector ICS 93.080.30 R85 People's Republic of China Public Security Industry Standards Road traffic signal controller and vehicle Communication protocol between the detector Issued on. 2010-12-05 2011-03-01 implementation People's Republic of China Ministry of Public Security

Table of Contents

Preface Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 requires the physical layer interface 2 5 Data Frame 2 Communication procedures 4 6 Communication contents 5 7 References 14

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. Please note that some content of this document may involve patents, the issuing authority of this document does not assume responsibility for the identification of these patents. This standard is proposed and managed by the Ministry of Public Security Traffic Management Standardization Technical Committee. This standard is drafted by. Ministry of Public Security Traffic Management Research Institute. Participated in the drafting of this standard. Nanjing Raflatac transport facilities limited liability company. The main drafters of this standard. Hu Jiabin, Ho Jin, Qiu Hongtong, sink mark, learn new square, Zhang Zhiyun, Li Jinlong. Road traffic signal controller and vehicle Communication protocol between the detector

1 Scope

This standard specifies the serial interface of road traffic signal controller and vehicle detectors and the data exchange protocol between the Ethernet interface. This standard applies to road traffic signal controller and vehicle detector.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB 25280-2010 Road Traffic Signal Controller GA/T 509-2004 urban traffic signal control systems - IEEE802.2/3 LAN protocol

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Road traffic signal controller roadtrafficsignalcontroler Road traffic signal to change the order, regulate and control means road traffic lights running time with. [GB 25280-2010, Definition 3.1] 3.2 Vehicle detector vehicledetector And means for detecting the presence of a vehicle by the state. [GA/T 509-2004, the definition 2.5] 3.3 Data frame dataframe Data link layer transmitted smallest independent unit of data. 3.4 Traffic trafficvolume; trafficcount Or the number of pedestrians per unit of time by way of a cross-section of the vehicle. [GA/T 509-2004, the definition 3.6] 3.5 Time share occupancy Share Detection of a road section or a car presence detection zone time and statistical ratio of the total time. [GA/T 509-2004, the definition 3.9] ......

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