ChinaAutoRegs|GB/T 32895-2025英文版翻译 电动汽车快换电池箱通信协议

Communication protocols for swapping battery pack of electric vehicle

CONTENTS

Foreword

1 Scope

2 Normative References

3 Terms and Definitions

4 General Principles

5 Physical Layer

6 Data Link Layer

7 Application Layer

8 General Communication Process

9 CAN Messages

10 Interchangeability Requirements

Annex A (Informative) Charging CAN Messages

Annex B (Informative) Monitoring CAN Messages

Annex C (Informative) Battery Pack Network Topology Chart

Annex D (Informative) Battery Pack Address Configuration

Annex E (Informative) Requirements for Battery Pack Swapping Process in Battery Swap Station

Annex F (Informative) Conditions for Start of Transmission and End of Transmission of Charging CAN Messages

Bibliography

1 SCOPE

This document specifies the physical layer, data link layer and application layer of the Controller Area Network (CAN2.0/CAN FD) based communication for swapping battery pack of electric vehicle (hereinafter referred to as “battery pack”), the overall communication process, CAN Messages, and the interchangeability requirements.

This document is applicable to the communications between the battery pack and the battery swap station charging system (hereinafter referred to as “battery swap station”).

2 NORMATIVE REFERENCES

The following normative documents contain provisions which, through normative reference in this text, constitute essential provision of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendment) applies.

GB/T 19596 Terminology of electric vehicles

GB/T 27930 Digital communication protocols between off-board conductive charger and electric vehicle

GB/T 29317 Terminology of electric vehicle charging/battery swap infrastructure

ISO 11898-1 Road vehicles – Controller area network (CAN) – Part 1: Data link layer and physical coding sublayer

ISO 11898-2 Road vehicles – Controller area network (CAN) – Part 2: High-speed physical medium attachment (PMA) sublayer

ISO 11898-5 Road vehicles – Controller area network (CAN) – Part 5: High-speed medium access unit with low-power mode

SAE J1939-11 Recommended practice for serial control and communication vehicle network – Part 11: Physical layer – 250kbits/s, twisted shielded pair

SAE J1939-73: 2006 Recommended practice for serial control and communication vehicle network – Part 73: Application Layer— Diagnostics

SAE J1939-81: 2006 Recommended practice for serial control and communication vehicle network – Part 81: Network Management

3 TERMS AND DEFINITIONS

For the purpose of this document, the terms and definitions established in GB/T 19596 and GB/T 29317, as well as the following apply.

3.1 frame

a series of ordered data bits that make up a complete information

Note: The frame is divided into several fields, each of which contains the predefined types of data.

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