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GB/T 43671-2024: Space data and information transfer systems - CAN data bus communication protocol on spacecraft
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Space data and information transfer systems - CAN data bus communication protocol on spacecraft
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GB/T 43671-2024
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Basic data | Standard ID | GB/T 43671-2024 (GB/T43671-2024) | | Description (Translated English) | Space data and information transfer systems - CAN data bus communication protocol on spacecraft | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | V75 | | Classification of International Standard | 49.140 | | Word Count Estimation | 30,388 | | Date of Issue | 2024-03-15 | | Date of Implementation | 2024-07-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 43671-2024: Space data and information transfer systems - CAN data bus communication protocol on spacecraft
---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.
ICS 49.140
CCSV75
National Standards of People's Republic of China
Space data and information transmission system
Spacecraft CAN bus communication protocol
Released on 2024-03-15
2024-07-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Abbreviations 2
5 General Principles 2
5.1 Protocol Stack 2
5.2 Bus topology 3
6 Physical layer protocol 3
6.1 Electrical characteristic parameters 3
6.2 Bit Timing Requirements 4
6.3 Code rate 5
6.4 Bus Cable 5
6.5 Connection method 6
6.6 Socket contact assignment 6
6.7 Terminal resistance 7
7 Data Link Layer Protocol 7
7.1 Function 7
7.2 Frame Format 7
8 Bus Communication Process and Protocol 8
8.1 General 8
8.2 Bus Communication Process 9
8.3 Standard Frame Format Protocol 10
8.4 Extended Frame Format Protocol 13
9 Reliability Design Requirements 17
9.1 Topology 17
9.2 Anti-interference and recovery measures 18
9.3 Dual Redundant Bus Selection and Switching 18
10 Management Information Base 19
Appendix A (Informative) Node Address Assignment and Data Filtering Example 20
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed and coordinated by the National Technical Committee for Standardization of Aerospace Technology and Its Applications (SAC/TC425).
This document was drafted by. Aerospace Dongfanghong Satellite Co., Ltd., Beijing Space Vehicle General Design Department, Xi'an Space Radio Technology Research Institute
Institute, China Aerospace Standardization Institute, Yuhuan Tianrun Aviation Machinery Manufacturing Co., Ltd., State Grid Siji Location Services Co., Ltd., Zhejiang Huilong
WAFER TECHNOLOGY LIMITED.
The main drafters of this document are. Yan Guorui, Li Junyu, Li Zhigang, Ning Jinzhi, He Xiongwen, Su Chenguang, Han Yandong, Shi Jian, Wang Qining, Zhang Hongjun,
Xiong Haolun, Tian Shuaihu, Li Guojun, Li Xiao, Liu Xiaoning, Zhang Jianhua, Dong Zhenhui, Qi Zheng, Wang Jian, Zhou Yuxia, Yuan Yuan, Chen Jinhong, Zhao Jianwei,
Ye Guoping.
Space data and information transmission system
Spacecraft CAN bus communication protocol
1 Scope
This document describes the topology, physical layer protocol, data link layer protocol, bus communication of CAN bus communication on spacecraft.
Processes and protocols, reliability design requirements and management information base.
This document is applicable to the development of related equipment and systems using CAN bus communication on spacecraft.
use.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 5271.9 Information technology vocabulary Part 9.Data communications
GB/T 42041 Aerospace terminology Space data and information transmission
3 Terms and definitions
The terms and definitions defined in GB/T 5271.9, GB/T 42041 and the following apply to this document.
3.1
node
A device that is connected to a communication network and can communicate through the network according to a communication protocol.
3.2
masternode
A node used to control and manage other nodes during the communication process.
3.3
slavenode
A node that is controlled by the master node during the communication process.
3.4
Polling
The process of asking each slave node one by one whether to send data.
3.5
selecting
The process of asking one or more nodes to receive data.
3.6
dominant
Represents the logic 0 state in CAN bus communication.
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