IEC 61784-2-2019 PDF
Name in English:
St IEC 61784-2-2019
Name in Russian:
Ст IEC 61784-2-2019
Original standard IEC 61784-2-2019 in PDF full version. Additional info + preview on request
Full title and description
Industrial communication networks - Profiles - Part 2: Additional fieldbus profiles for real-time networks based on ISO/IEC/IEEE 8802-3. This edition specifies performance indicators and classification schemes for Real‑Time Ethernet (RTE), defines communication profile families (CPFs) and associated network components that operate over ISO/IEC/IEEE 8802-3 (Ethernet) and references the IEC 61158 series and IEC 61784-1 for fieldbus/profile mappings.
Abstract
IEC 61784-2:2019 (Edition 4.0) defines Real‑Time Ethernet communication profiles: classification criteria, performance indicators and profile families (CPF) that enable deterministic, real‑time communication over Ethernet for industrial automation. The 2019 revision updated references to ISO/IEC/IEEE 8802-3, revised CPF selection tables, refined CPF3 conformance/timing requirements and added new CPF families (CPF 20 and CPF 21).
General information
- Status: Replaced / withdrawn (replaced by a set of IEC 61784-2-xx parts published in 2023).
- Publication date: 10 April 2019.
- Publisher: International Electrotechnical Commission (IEC).
- ICS / categories: 35.100.20; 35.240.50.
- Edition / version: 4.0 (fourth edition, 2019).
- Number of pages: 344.
Scope
This part of IEC 61784 specifies performance indicators supporting classification schemes for Real‑Time Ethernet (RTE) requirements; the communication profiles and related network components based on ISO/IEC/IEEE 8802-3 and the IEC 61158 series; and RTE solutions able to run in parallel with conventional Ethernet applications. It addresses conformance classes, timing and IO device requirements and gives selection tables for CPF families.
Key topics and requirements
- Definition of Real‑Time Ethernet (RTE) communication profile families (CPF) and selection tables for CPFs (CPF 2, 3, 4, 8, 17 and added CPF 20, CPF 21).
- Performance indicators and classification schemes for deterministic behaviour over Ethernet.
- Requirements and conformance classes for CPF3 (including updated timing and IO device requirements).
- Mapping and interaction with IEC 61158 fieldbus types, IEC 61784‑1 profiles and ISO/IEC/IEEE 8802-3 (Ethernet) components.
- Guidance for parallel operation of RTE profiles with standard Ethernet applications and amendments where RTE features require changes to referenced standards.
Typical use and users
Used by industrial automation architects, device and network equipment manufacturers, system integrators, test and certification laboratories, and standards committees. Typical applications include motion control, factory and process automation, and any system needing deterministic real‑time Ethernet communication. Engineers use the standard to select appropriate CPFs, ensure conformance, and design networks meeting timing and performance classes.
Related standards
Key related documents include IEC 61784-1 (fieldbus profiles — general), the IEC 61158 series (fieldbus protocols), ISO/IEC/IEEE 8802-3 (Ethernet / IEEE 802.3), IEC 61784-5 series, IEC 61918 and IEEE/IEC timing references (for example IEC 61588). Note: the 2019 edition of IEC 61784-2 was later superseded by a set of IEC 61784-2-xx parts published in 2023 that split and update CPF-specific content.
Keywords
Real‑Time Ethernet; RTE; fieldbus profiles; CPF (Communication Profile Family); CPF3; deterministic Ethernet; IEC 61784; IEC 61158; IEEE 802.3; industrial automation; conformance classes; timing requirements.
FAQ
Q: What is this standard?
A: IEC 61784-2:2019 is Part 2 of IEC 61784 and defines additional fieldbus profiles for Real‑Time Ethernet (RTE) based on ISO/IEC/IEEE 8802-3 (Ethernet). It standardizes profile families, performance indicators and conformance requirements for deterministic Ethernet communications.
Q: What does it cover?
A: It covers classification schemes and performance indicators for RTE, definitions and selection tables for Communication Profile Families (CPFs), conformance classes (notably updates to CPF3), timing and IO device requirements, and guidance on running RTE profiles alongside conventional Ethernet applications.
Q: Who typically uses it?
A: Device and network equipment manufacturers, system integrators, automation engineers, test laboratories and standards bodies use it to design, select, test and certify real‑time industrial Ethernet solutions.
Q: Is it current or superseded?
A: The 2019 edition (Edition 4.0, published 10 April 2019) has been replaced/withdrawn and its content reorganized into multiple IEC 61784-2-xx parts published in 2023; the IEC record shows a withdrawal date of 5 May 2023. Users seeking the most current CPF-specific rules should consult the 2023 split parts.
Q: Is it part of a series?
A: Yes — IEC 61784 is a multi‑part series of standards on industrial communication network profiles. Part 1 covers general fieldbus profiles and Part 2 covers additional Real‑Time Ethernet profiles; other parts (for example the -5 series and later -2-xx parts) cover specialty topics and CPF-specific rules.
Q: What are the key keywords?
A: Real‑Time Ethernet, CPF, fieldbus profile, deterministic Ethernet, conformance class, IEC 61158, IEEE 802.3, industrial automation, timing requirements.