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GB/T 47961-2026Communication protocol between station control system and charging and discharging equipment of battery swap station for electric commercial vehicles (English PDF)

电动商用车电池更换站站控系统与充放电设备通信协议

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

July 30, 2026

Implementation date

February 1, 2027

Scope

GB/T 47961-2026 is the English-translated version of 电动商用车电池更换站站控系统与充放电设备通信协议.

GB/T 47961-2026 is the Chinese standard "Communication protocol between station control system and charging and discharging equipment of battery swap station for electric commercial vehicles".

Its scope clause reads: This document specifies the general requirements for TCP/IP-based communication between the control system of electric commercial vehicle battery swapping stations and charging/discharging equipment.

Interaction methods and message requirements. This document applies to the communication between the battery swapping station control system (hereinafter referred to as the "station control system") and the charging and discharging equipment of electric commercial vehicle battery swapping stations. Its clauses include terms and definitions.

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Document preview — GB/T 47961-2026

National Standard of the People's Republic of China

ICS: 29.200
Classification: K 81

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1.Scope
2 Normative References
3.Terms and Definitions
4.Abbreviations
5.General Requirements
6.Interaction methods
6.1 Connection Authentication and Heartbeat
6.2 Charge/Discharge Start-up and Stop
6.4 Data Acquisition and Transmission
7.Message Requirement
7.1 General Requirements
7.2 Connection Authentication and Heartbeat Messages
7.3 Charge/discharge start and stop messages
7.4 Operating Mode and Parameter Setting Message
7.5 Data Acquisition and Message Transmission
Appendix A (Normative) Time Format
Appendix B (Informative) Charging and Discharging Equipment Code
Appendix C (Informative) Example 63 of Additional Supplementary Data Messages for 95H-Charge/Discharge Interface
References

1 Scope

This document specifies the general requirements for TCP/IP-based communication between the control system of electric commercial vehicle battery swapping stations and charging/discharging equipment.

Interaction methods and message requirements.

This document applies to the communication between the battery swapping station control system (hereinafter referred to as the "station control system") and the charging and discharging equipment of electric commercial vehicle battery swapping stations.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

DL/T 634.5104-2009 Telecontrol Equipment and Systems - Part 5-104.Transmission Protocol Adopting Standard Transmission Protocol Sets

IEC 60870-5-101 Network Access

3 Terms and Definitions

The following terms and definitions apply to this document.

3.1 Battery swap station

Battery swapping station

A facility that provides battery swapping services for electric vehicles.

[Source. GB/T 29317-2021, 3.1.2.1, with modifications]

3.2

To realize the business services, dispatch management, operation monitoring, data collection, statistical analysis, and operational decision-making related to electric vehicle charging and battery swapping.

system.

Note. The charging and swapping operation service system can consist of a charging and swapping monitoring platform, a charging and swapping service platform, and a charging and swapping service client.

[Source. GB/T 29317-2021, 9.4, with modifications]

3.3 station control system

Deployed at battery swapping stations, it manages charging and discharging equipment, electric vehicles, vehicle guidance systems, and battery swapping systems within the station, enabling charging and swapping...

A system that controls the electrical process and supports interaction with the charging and swapping operation service system.

3.4

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 59 pages — is available in the English PDF.

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