GB/T 47014.2-2026Industrial communication networks - Fieldbus specifications - Type 2 elements: EtherNet/IP,ControlNet and DeviceNet specifications - Part 2: Data-link layer protocol specification (English PDF)
工业通信网络 现场总线规范 类型2元素：EtherNet/IP，ControlNet和DeviceNet规范 第2部分：数据链路层协议规范
Also coversGB/T47014.2-2026 + GBT47014.2-2026
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
January 28, 2026
Implementation date
August 1, 2026
Scope
GB/T 47014.2-2026 is the English-translated version of 工业通信网络 现场总线规范 类型2元素：EtherNet/IP，ControlNet和DeviceNet规范 第2部分：数据链路层协议规范.
Industrial automation networks depend on precisely defined protocols, and this document is Part 2 of the fieldbus specifications for type 2 elements covering EtherNet/IP, ControlNet and DeviceNet. This part contains the data-link layer protocol specification. It is a recommended national standard and a large technical document.
Developers of controllers, drives, sensors and network interface products, protocol stack engineers, test laboratories and system integrators who work with these networks are the intended readers. Engineers who need a formal definition of data-link behaviour, rather than a product manual, will want to consult it.
It was issued on 28 January 2026 and took effect on 1 August 2026, so it is already in force. No earlier edition is identified in the available record.
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Document preview — GB/T 47014.2-2026
National Standard of the People's Republic of China
- ICS
- 25.040
- Classification
- N10
Issued by: State Administration for Market Regulation; Standardization Administration of China
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
Foreword
GB/T 47014.2-2026 is a recommended national standard (GB/T) of the People's Republic of China, issued on 28 January 2026 by the State Administration for Market Regulation and the Standardization Administration of China, with effect from 1 August 2026.
The document adopts an international standard (ISO or IEC).
It is under the responsibility of the China Machinery Industry Federation.
Classification: ICS 25.040; CCS N10.
1 Scope
Industrial automation networks depend on precisely defined protocols, and this document is Part 2 of the fieldbus specifications for type 2 elements covering EtherNet/IP, ControlNet and DeviceNet. This part contains the data-link layer protocol specification. It is a recommended national standard and a large technical document.
Developers of controllers, drives, sensors and network interface products, protocol stack engineers, test laboratories and system integrators who work with these networks are the intended readers. Engineers who need a formal definition of data-link behaviour, rather than a product manual, will want to consult it.
It was issued on 28 January 2026 and took effect on 1 August 2026, so it is already in force. No earlier edition is identified in the available record.
Remaining clauses in the full document
- 2 Normative references
- 3 Terms and definitions
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 350 pages — is available in the English PDF.
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Related Standards
GB/T 47014.1-2026 — Industrial communication networks - Fieldbus specifications - Type 2 elements: EtherNet/IP, ControlNet and DeviceNet specifications - Part 1: Data-link layer service definition
GB/T 47014.3-2026 — Industrial communication networks - Fieldbus specifications - Type 2 elements: EtherNet/IP, ControlNet and DeviceNet specifications - Part 3: Applicatoin layer service definition
GB/T 47014.4-2026 — Industrial communication networks - Fieldbus specifications - Type 2 elements: EtherNet/IP, ControlNet and DeviceNet specifications - Part 4: Applicatoin layer protocol specification
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GB/T 47014.2-2026
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