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GB/T 43192.1-2023 English PDF (GBT43192.1-2023)

GB/T 43192.1-2023 English PDF (GBT43192.1-2023)

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GB/T 43192.1-2023: Road vehicles - Interchange of digital information on electrical connections between towing and towed vehicles - Part 1: Physical and data-link layers

This document specifies the requirements for the data-link layer (DLL) and physical layer (PHY) based on CAN network interfaces that comply with GB/T 43192 (all parts). The data-link layer (DLL) includes: - DLL protocol entity requirements; - DLL device interface requirements; - DLL network system requirements. Typically, the physical signalling sublayer is implemented in the CAN protocol controller. The physical media connection sublayer is typically implemented in a CAN transceiver or system basis chip (SBC). On request it also includes additional protective circuits. Media-related sublayers include connectors and cables. Physical signalling (PS) includes: - PS entity requirements; - PS device interface requirements; - PS network system requirements. Physical media attachment (PMA) includes: - PMA protocol entity requirements; - PMA device interface requirements. Physical media dependent (PMD) include: - PMD entity requirements; - PMD device interface requirements; - PMD network system requirements. GB/T 43192.1-2023 www.ChineseStandard.net ? Buy True-PDF ? Auto-delivery. Page 9 of 34 This document applies to the communication design for digital information exchange between towing and towed vehicles, which have a maximum authorized total mass greater than 3500 kg.
GB/T 43192.1-2023
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 43.040.15
CCS T 36
GB/T 43192.1-2023 / ISO 11992-1:2019
Road vehicles - Interchange of digital information on
electrical connections between towing and towed vehicles -
Part 1: Physical and data-link layers
??????
(ISO 11992-1:2019, IDT)
ISSUED ON: SEPTEMBER 07, 2023
IMPLEMENTED ON: APRIL 01, 2024
Issued by: State Administration for Market Regulation.
Standardization Administration of PRC.
Table of Contents
Foreword ... 3
Introduction ... 4
1 Scope ... 8
2 Normative references ... 9
3 Terms and definitions ... 9
4 Symbols and abbreviations ... 13
5 Data-link layer (DLL) ... 13
5.1 Overview ... 13
5.2 DLL protocol entity requirements ... 14
5.3 DLL device interface requirements ... 14
6 Physical layer (PHY) ... 14
6.1 Overview ... 14
6.2 Physical signalling (PS) requirements ... 14
6.3 Physical media attachment (PMA) requirements ... 15
6.4 Physical Media Dependent (PMD) sublayer requirements ... 25
6.5 Network wiring harness system requirements ... 27
Appendix A (Informative) Implementation example of bus fault management ... 31 References ... 33
Road vehicles - Interchange of digital information on
electrical connections between towing and towed vehicles -
Part 1: Physical and data-link layers
1 Scope
This document specifies the requirements for the data-link layer (DLL) and physical layer (PHY) based on CAN network interfaces that comply with GB/T 43192 (all parts). The data-link layer (DLL) includes:
- DLL protocol entity requirements;
- DLL device interface requirements;
- DLL network system requirements.
Typically, the physical signalling sublayer is implemented in the CAN protocol controller. The physical media connection sublayer is typically implemented in a CAN transceiver or system basis chip (SBC). On request it also includes additional protective circuits. Media-related sublayers include connectors and cables.
Physical signalling (PS) includes:
- PS entity requirements;
- PS device interface requirements;
- PS network system requirements.
Physical media attachment (PMA) includes:
- PMA protocol entity requirements;
- PMA device interface requirements.
Physical media dependent (PMD) include:
- PMD entity requirements;
- PMD device interface requirements;
- PMD network system requirements.
This document applies to the communication design for digital information exchange between towing and towed vehicles, which have a maximum authorized total mass greater than 3500 kg.
2 Normative references
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, for dated reference documents, only the version corresponding to the date applies to this document; for undated reference documents, the latest version (including all amendments) applies to this document.
ISO 4141-1 Road vehicles - Multi-core connecting cables - Part 1: Test methods and requirements for basic performance sheathed cables
Note: GB/T 5054.1-2008 Road vehicles - Multi-core connecting cables - Part 1: Test methods and requirements for basic performance sheathed cables (ISO 4141-1:2005, IDT) ISO 11898-1 Road vehicles - Controller area network (CAN) - Part 1: Data-link layer and physical signalling
Note: GB/T 41588.1-2022 Road vehicles - Controller area network (CAN) - Part 1: Data link layer and physical signalling (ISO 11898-1:2015, IDT)
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
1-wire operation
Communication via CAN_L or CAN_H referenced to ground and Vs potential, in fault-tolerant operating mode.
3.2
2-wire operation
Communication of CAN_L and CAN_H referenced to ground and Vs potential, in normal (non-fault tolerant) operating mode.
3.3
Bus
A communication link between two communicating entities.
3.4
CAN_H CAN_H
CAN_L CAN_L
Special cables and/or terminals for communication connections.
3.5
Differential transmission
The transmission of digital information by voltage carrying between two electrically connected conductors.
3.6
Maximum authorized total mass
The maximum vehicle mass specified by the administrative authority according to the operating conditions.
Note: The maximum authorized total mass is also called the vehicle total mass rating or combined total mass rating.
[Source: GB/T 3730.2-1996, 4.8, with modifications]
3.7
DLL protocol entity
Data-link layer protocol entity
Complying with ISO 11898-1, the functional part of electronic components that implements the DLL protocol.
3.8
DLL device interface
Data-link layer device interface
Electronic device interface that complies with ISO 11898-1 optional function restrictions.
Example: Do not transmit remote frames or only transmit messages in extended frame format.
Physical media attachment interface
Electronic equipment interface including PMA entity and optional additional circuitry.
3.15
PMA network system
Physical media attachment network system
A network system containing two devices that conform to the physical media connection interfaces of this document.
3.16
PMD entities
Physical medium dependent entities
Connectors, cables, other electromechanical network components.
3.17
PMD device interface
Physical medium dependent device interface
Connectors, cables, other electromechanical components.
3.18
PMD network system
Physical medium dependent network system
Electromechanical interface of a single device.
3.19
Towed vehicle
An unpowered vehicle towed by a towing vehicle or other unpowered vehicle. [Source: GB/T 3730.1-2022, 3.4, with modifications]
3.20
Towing vehicle
A motor vehicle or unpowered vehicle towing an unpowered vehicle behind it. 4 Symbols and abbreviations
The following symbols and abbreviations apply to this document.
AC: Alternating current
CAN: Controller area network
CEFF: Classic extended frame format
Com: Communication successful (receiving and sending)
DC: Direct current
DLL: Data-link layer
ECU: Electronic control unit
FHP: Failure handling procedure
noCom: Communication interrupted (neither data received nor data sent)
PDU: Protocol data unit
PHY: Physical layer
PMA: Physical media attachment
PMD: Physical medium dependent
PS: Physical signalling
RXD: Receive data
TXD: Transmit data
1W-OM: 1-wire operation mode
5 Data-link layer (DLL)
5.1 Overview
The data-link layer provides functional and procedural methods for transmitting data between network devices; provides methods for detecting and possibly correcting errors

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