QC/T 1204.5-2024 Compatibility of on-board battery swap system for battery electric passenger vehicles - Part 5 : Communication between electric vehicle and battery pack (English Version)
Compatibility of on-board battery swap system for battery electric passenger vehicles - Part 5 : Communication between electric vehicle and battery pack
QC/T 1204.5-2024 Compatibility of on-board battery swap system for battery electric passenger vehicles - Part 5: Communication between electric vehicle and battery pack
1 Scope
This document specifies the rules and requirements for communication between electric vehicle and battery pack of battery swap system for battery electric passenger vehicles.
This document is applicable to the communication between electric vehicle and battery pack for on-board battery swap system for battery electric passenger vehicles.
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 of the referenced document (including any amendments) applies.
GB/T 19596 Terminology of electric vehicles
GB/T 32960.3 Technical specifications of remote service and management system for electric vehicles - Part 3: Communication protocol and data format
GB/T 34014 Coding regulation for automotive traction battery
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 19596 and the following apply.
3.1
battery management system; BMS
system capable of monitoring the state (e.g. temperature, voltage and state of charge) of battery and providing communication, safety, cell equalization and management control for battery as well as providing the communication interface with application equipment
3.2
frame
set of data bits constituting a complete message
3.3
messages
one or more "CAN/CANFD data frames" having the same parameter group number
3.4
available energy
energy that can be released from the current battery according to the specified discharge conditions
3.5
insulation resistance
equivalent resistance of high voltage system to ground
3.6
electronic control unit; ECU
on-board computer composed of microcomputer and peripheral circuit
3.7
diagnostic trouble code; DTC
4-byte value used to identify the type of failure, associated failure mode, and the number of occurrences
3.8
unified diagnostic services; UDS
uniform diagnostic service standards performed by ECU with diagnostic function
4 General provisions
4.1 CAN2.0B/CAN FD/wireless communication protocols shall be adopted for the communication network between the electric vehicle and the swappable battery pack BMS.
4.2 The communication between the electric vehicle and the swappable battery pack BMS shall comply with the UDS diagnostic protocol.
4.3 The swappable battery pack BMS shall realize the monitoring and reporting of high voltage insulation resistance.
4.4 The swappable battery pack BMS shall monitor and report the high voltage interlock status.
4.5 The swappable battery pack BMS with battery thermal management function shall realize the temperature monitoring of battery cooling interface.
4.6 Refer to ISO 14229 and ISO 15765 for diagnostic services.
Contents Foreword III Introduction IV 1 Scope 2 Normative references 3 Terms and definitions 4 General provisions 5 Network topology 6 Format and requirements for communication topology message between vehicle and BMS network Annex A (Informational) Format of network management message Bibliography
QC/T 1204.5-2024 Compatibility of on-board battery swap system for battery electric passenger vehicles - Part 5 : Communication between electric vehicle and battery pack (English Version)
Standard No.
QC/T 1204.5-2024
Status
valid
Language
English
File Format
PDF
Word Count
11500 words
Price(USD)
345.0
Implemented on
2025-1-1
Delivery
via email in 1~5 business day
Detail of QC/T 1204.5-2024
Standard No.
QC/T 1204.5-2024
English Name
Compatibility of on-board battery swap system for battery electric passenger vehicles - Part 5 : Communication between electric vehicle and battery pack
QC/T 1204.5-2024 Compatibility of on-board battery swap system for battery electric passenger vehicles - Part 5: Communication between electric vehicle and battery pack
1 Scope
This document specifies the rules and requirements for communication between electric vehicle and battery pack of battery swap system for battery electric passenger vehicles.
This document is applicable to the communication between electric vehicle and battery pack for on-board battery swap system for battery electric passenger vehicles.
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 of the referenced document (including any amendments) applies.
GB/T 19596 Terminology of electric vehicles
GB/T 32960.3 Technical specifications of remote service and management system for electric vehicles - Part 3: Communication protocol and data format
GB/T 34014 Coding regulation for automotive traction battery
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 19596 and the following apply.
3.1
battery management system; BMS
system capable of monitoring the state (e.g. temperature, voltage and state of charge) of battery and providing communication, safety, cell equalization and management control for battery as well as providing the communication interface with application equipment
3.2
frame
set of data bits constituting a complete message
3.3
messages
one or more "CAN/CANFD data frames" having the same parameter group number
3.4
available energy
energy that can be released from the current battery according to the specified discharge conditions
3.5
insulation resistance
equivalent resistance of high voltage system to ground
3.6
electronic control unit; ECU
on-board computer composed of microcomputer and peripheral circuit
3.7
diagnostic trouble code; DTC
4-byte value used to identify the type of failure, associated failure mode, and the number of occurrences
3.8
unified diagnostic services; UDS
uniform diagnostic service standards performed by ECU with diagnostic function
4 General provisions
4.1 CAN2.0B/CAN FD/wireless communication protocols shall be adopted for the communication network between the electric vehicle and the swappable battery pack BMS.
4.2 The communication between the electric vehicle and the swappable battery pack BMS shall comply with the UDS diagnostic protocol.
4.3 The swappable battery pack BMS shall realize the monitoring and reporting of high voltage insulation resistance.
4.4 The swappable battery pack BMS shall monitor and report the high voltage interlock status.
4.5 The swappable battery pack BMS with battery thermal management function shall realize the temperature monitoring of battery cooling interface.
4.6 Refer to ISO 14229 and ISO 15765 for diagnostic services.
Contents of QC/T 1204.5-2024
Contents
Foreword III
Introduction IV
1 Scope
2 Normative references
3 Terms and definitions
4 General provisions
5 Network topology
6 Format and requirements for communication topology message between vehicle and BMS network
Annex A (Informational) Format of network management message
Bibliography
