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GB/T 20965-2025Control network HBES technical specification - Home and building control system (English PDF)

控制网络HBES技术规范住宅和楼宇控制系统

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

February 28, 2025

Implementation date

September 1, 2025

Scope

GB/T 20965-2025 is the English-translated version of 控制网络HBES技术规范住宅和楼宇控制系统.

GB/T 20965-2025 is the Chinese standard "Control network HBES technical specification - Home and building control system".

Its scope clause reads: This document establishes the concept of an event-based distributed bus system (Home and Building Electronic System, HBES) The overall structure of HBES was established, and the management procedures for HBES were formulated, which stipulated the requirements for the medium-independent layer and the medium-dependent layer, product compliance testing and evaluation.

Criteria and standards for assessment and installation requirements. This document applies to the design, manufacture, integration, installation and maintenance of automation control systems and products, especially to residential and building control systems. System field.

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Document preview — GB/T 20965-2025

National Standard of the People's Republic of China

ICS: 25.040
Classification: N 10
Replacing: GB/T 20965-2013

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

Preface
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Abbreviations
5 System
5.1 Architecture
5.1.1 Overview
5.1.2 HBES reference model
5.1.3 Reference points and functional groups
5.1.4 Interface standardization of specific reference points
5.1.5 System Characteristics
5.2 General technical requirements
5.2.1 Overview
5.2.2 Topology, wiring and power supply for devices connected to twisted pair or coaxial media
5.2.3 Security
5.2.4 Environmental conditions
5.2.5 Electromagnetic compatibility requirements for equipment connected to twisted pair or coaxial cable
5.2.6 Reliability
5.3 General functional safety requirements for HBES products
5.3.1 General
5.3.2 General requirements
5.3.3 Functional safety requirements
6 Application Features
6.1 Application Structure
6.1.1 Overview
6.1.2 Application Structure
6.2 Type 1 HBES User Process
6.2.1 Overview
6.2.2 Object Model
6.2.3 Group Object Server
6.2.4 Interface Object Server
7 Dielectric Independent Layer
7.1 Type 1 HBES application layer
7.1.1 Overview
7.1.2 Application layer services
7.1.3 Application Layer Protocol Data Unit (APDU)
7.1.4 Application layer services
7.1.5 Application layer parameters
7.2 Common parts of transport layer, network layer and data link layer of Class 1 HBES
7.2.1 Overview
7.2.2 Requirements for the Media-Independent Data Link Layer
7.2.3 Network Layer Requirements
7.2.4 Transport layer requirements
7.3 KNXnet/IP communication
7.3.1 Overview
7.3.2 Requirement
7.4 HBES Safety
7.4.1 General Introduction
7.4.2 Norm
7.5 Network Services
7.5.1 General Principles
7.5.2 Introduction to General Technology of HBES Network Services
7.5.3 Overview
7.5.4 HBES Information Model
7.5.5 HBES Network Interface OBIX
7.5.6 HBES Gateway OBIX
7.5.7 Gateway Profile
8 Medium and medium-related layers
8.1 Class 1 HBES Power Line
8.1.1 Overview
8.1.2 Requirements for Class 1 HBES, Power Line PL110
8.1.3 Requirements for Class 1 HBES, Power Line PL132
8.2 Twisted Pair Cables for Class 1 HBES Networks
8.2.1 Overview
8.2.2 Requirements for Class 1 HBES, Twisted Pair Type 0 (TP0)
8.2.3 Requirements for Class 1 HBES, Twisted Pair Type 1 (TP164 and TP1256)
8.3 HBESRF
8.3.1 General
8.3.2 HBESRF Physical Layer
8.3.3 Physical Layer 400 of HBESRFMulti
8.3.4 HBESRF Data Link Layer
8.3.5 Compatibility between HBESReady and HBESMulti
9 Management Regulations
9.1 Overview
9.2 Network Management Procedures
9.2.1 General Principles
9.2.2 NM_IndividualAddress_Read
9.2.3 NM_IndividualAddress_Write
9.2.4 NM_SerialNumberDefaultIA_Scan
9.2.5 NM_IndividualAddress_SerialNumber_Read
9.2.6 NM_IndividualAddress_SerialNumber_Write
9.2.7 NM_DomainAddress_Read
9.2.8 NM_DomainAddress_Write
9.2.9 NM_DomainAddress_Scan
9.2.10 NM_Router_Scan
9.2.11 NM_SubnetworkDevices_Scan

1 Scope

This document establishes the concept of an event-based distributed bus system (Home and Building Electronic System, HBES)

The overall structure of HBES was established, and the management procedures for HBES were formulated, which stipulated the requirements for the medium-independent layer and the medium-dependent layer, product compliance testing and evaluation.

Criteria and standards for assessment and installation requirements.

This document applies to the design, manufacture, integration, installation and maintenance of automation control systems and products, especially to residential and building control systems.

System field.

2 Normative references

The contents of the following documents constitute essential clauses of this document through normative references in this document.

For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to

This document.

GB/T 2423.1 Environmental testing for electric and electronic products Part 2.Test methods Test A. Low temperature

GB/T 2423.2 Environmental testing for electric and electronic products Part 2.Test methods Test B. High temperature

GB/T 2423.3 Environmental testing Part 2.Test method Test Cab. Steady state damp heat test

GB/T 2423.4 Environmental testing for electric and electronic products Part 2.Test method Test Db. Cyclic damp heat (12h 12h cycle)

GB/T 2423.5 Environmental testing Part 2.Test method Test Ea and guidance. Impact

GB/T 2423.10 Environmental testing Part 2.Test methods Test Fc. Vibration (sinusoidal)

GB/T 2423.22 Environmental testing Part 2.Test method Test N. Temperature change

GB/T 4798.3 Classification of environmental conditions Classification of environmental parameter groups and their severity classification Part 3.Climate-protected locations

Fixed use

GB/T 5023.1 Polyvinyl chloride insulated cables with rated voltage up to and including 450/750V Part 1.General requirements

GB/T 5023.2 Thermoplastic insulated cables with rated voltage up to and including 450/750V Part 2.Test methods

GB/T 7289-2017 Reference conditions for reliability failure rate of electrical components and stress model for failure rate conversion

GB/T 9387.1 Information technology Open Systems Interconnection Basic Reference Model Part 1.Basic Model

GB/T 16895.3 Low voltage electrical installations Part 5-54.Selection and installation of electrical equipment Grounding arrangements and protective conductors

GB/T 16895.6 Low voltage electrical installations Part 5-52.Selection and installation of wiring systems for electrical equipment

GB/T 16895.21-2020 Low voltage electrical installations Part 4-41.Safety protection Protection against electric shock

GB/T 16935.1-2023 Insulation coordination for equipment in low-voltage power supply systems Part 1.Principles, requirements and tests

GB/T 17045-2020 Common parts for electric shock protection devices and equipment

GB/T 17625.2 Electromagnetic compatibility limits for equipment with a rated current of <=16A per phase and unconditionally connected to the public low-voltage power supply

Limitation of voltage changes, voltage fluctuations and flickers generated in the system

GB/T 20438.4 | GB/T 20438.5 | GB/T 20438.6 | GB/T 45616.1 | GB/T 11605 | […]

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 578 pages — is available in the English PDF.

Referenced standards

Normative references

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