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GB/T 35031.4-2022Customer energy management system - Part 4: Specification for information exchange between host and gateways (English PDF)

用户端能源管理系统第4部分：主站与网关信息交互规范

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

October 12, 2022

Implementation date

May 1, 2023

Scope

GB/T 35031.4-2022 is the English-translated version of 用户端能源管理系统第4部分：主站与网关信息交互规范.

GB/T 35031.4-2022 is the Chinese standard "Customer energy management system - Part 4: Specification for information exchange between host and gateways".

Its scope clause reads: This document specifies the information exchange method and information exchange method for communication between the CEMS master station and the gateway based on the MQTT communication protocol. information interaction interface.

This document is applicable to the information exchange between CEMS main station and subsystem interface gateway. Its clauses include terms and definitions, abbreviations.

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Document preview — GB/T 35031.4-2022

National Standard of the People's Republic of China

ICS: 29.020
Classification: K00

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

Preface
Introduction
1 Scope
2 Normative references
3 Terms and Definitions, Abbreviations
3.1 Terms and Definitions
3.2 Abbreviations
4 Agreement
4.1 Product and equipment agreement
4.2 Protocol and Message Language Conventions
4.3 MQTT Convention
4.4 Agreement on resuming transmission after network disconnection
4.5 Device connection authentication interface agreement
4.6 General return code convention on the device side
5 CEMS Subject Description
5.1 Topic name and topic parameters
5.2 CEMS Subject Classification
5.3 Basic parameters of event-related topics and attribute-related topics
5.4 Topic example
5.5 Topic Name Analysis
5.6 Analysis of theme parameters
5.7 List of CEMS topics
6 CEMS subject specification
6.1 Device commands
6.2 Device messages
6.3 Communication port
6.4 Monitoring point
6.5 Meter readings
6.6 Device properties
6.7 Software and firmware upgrade
6.8 File upload/download
6.9 Device Time
6.10 Device Information
6.11 Device logs
6.12 Device alarm
6.13 Resume transmission after network disconnection

1 Scope

This document specifies the information exchange method and information exchange method for communication between the CEMS master station and the gateway based on the MQTT communication protocol.

information interaction interface.

This document is applicable to the information exchange between CEMS main station and subsystem interface gateway.

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references

For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document.

GB /Z 32500-2016 General requirements for data interface of smart grid user end system

GB/T 35031.1-2018 Client energy management system Part 1.Guidelines

GB/T 35031.2-2018 Client energy management system Part 2.Master station functional specification

GB /Z 35031.8-2021 Client energy management system Part 8.Use cases

GB/T 35031.301-2019 Client Energy Management System Part 3-1.General Requirements for Subsystem Interface Gateway

GB/T 35031.302-2022 Client Energy Management System Part 3-2.Subsystem Interface Gateway Data Configuration

MQTT-3.1.1-CN.2014 Message Queue Telemetry Transport Protocol

3 Terms and definitions, abbreviations

3.1 Terms and Definitions

GB/T 35031.1-2018, GB/T 35031.2-2018, GB/T 35031.301-2019, GB /Z 35031.8-2021,

The following terms and definitions defined in GB /Z 32500-2016 apply to this document.

3.1.1 product

A collection of devices with the same capabilities or characteristics.

Note 1.The products in this document only refer to the gateway products defined in GB/T 35031.302-2022.

Note 2.The relationship between the product and the equipment, the product is like a product series, and the equipment is like a certain type of equipment under the series.

3.1.2 device

An entity with a specific function is an instance of a product.

3.1.3 product model

JSON format file used to describe device capabilities. This file builds an abstract model of a device in the master station, so that the master station can understand the

Attribute information supported by the device.

Note 1.Defining the product model is to define the basic attributes of the equipment, the message format of reporting data and issuing commands.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 131 pages — is available in the English PDF.

Referenced standards

Normative references

GB /Z 32500-2016 General requirements for data interface of smart grid user end system · GB /Z 35031.8-2021 Client energy management system Part 8.Use cases

Cited by

Similar standards

GB 38031-2025|GB/T35031.4-2022|GB/T 1.1-2020|GB/T 35031|GB/T 35031.1-2018|GB/T 35031.2-2018|GB/T 35031.301-2019|GB/T 35031.302-2022

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