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GB/T 18268.31-2022Electrical equipment for measurement, control and laboratory use - EMC requirements - Part 31: Immunity requirements for safety-related systems and for equipment intended to perform safety-related functions (functional safety) - General industrial applica (English PDF)

测量、控制和实验室用的电设备电磁兼容性要求第31部分：安全相关系统和预期执行安全相关功能（功能......

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

October 14, 2022

Implementation date

May 1, 2023

Scope

GB/T 18268.31-2022 is the English-translated version of 测量、控制和实验室用的电设备电磁兼容性要求第31部分：安全相关系统和预期执行安全相关功能（功能.......

GB/T 18268.31-2022 is the Chinese standard "Electrical equipment for measurement, control and laboratory use - EMC requirements - Part 31: Immunity requirements for safety-related systems and for equipment intended to perform safety-related functions (functional safety) - General industrial applica".

Its scope clause reads: This document covers all equipment within the scope of IEC 61326-1, however its scope is limited to those specified in IEC 61508 from SIL1 to SIL3 Industrial systems and equipment that are expected to perform safety functions.

The electromagnetic environment covered by this series of product standards refers to indoor and outdoor industrial locations, such as IEC 61000-6-2 or IEC 61326-1.

Industrial occasions described in 3.8 in.2012.This document does not cover equipment and systems intended for use in other electromagnetic environments, such as process industries or potential in an explosive atmosphere.

Equipment and systems certified for use in accordance with IEC 61508 or IEC 61511 are excluded from the scope of this document. Fire alarm systems and security alarm systems protecting buildings are outside the scope of this document.

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Document preview — GB/T 18268.31-2022

National Standard of the People's Republic of China

ICS: 25.040.40; 33.100.20
Classification: N 10

Issued by: State Administration for Market Regulation, China National Standardization Administration

Preface
Introduction
1 Scope
2 Normative references
3 Terms, Definitions and Abbreviations
3.1 Terms and Definitions
3.2 Abbreviations
4 Summary
5 Electromagnetic Compatibility Test Plan
5.1 General
5.2 Test description
5.3 EUT configuration during testing
5.4 EUT operating conditions during the test
5.5 Performance Criterion Specification
5.6 Test description
6 Performance criteria
6.1 Performance criteria DS
6.2 Application of Performance Criterion DS
6.3 Performance criteria DS needs to be considered in the application
7 Immunity requirements
8 EUT test arrangement and test principle related to functional safety
8.1 Testing of systems and equipment for safety-related systems
8.2 Test principles for equipment used in safety-related systems
8.3 Principles of testing for safety-related systems
8.4 Test configuration and test performance
8.5 Monitoring
9 Test results and test reports
Appendix A (informative) Methods of applying the IEC 61326-3 series of standards
Appendix B (Informative) Electromagnetic Environment Assessment
Appendix C (Informative) Allowable Effects in Immunity Test

1 Scope

This document covers all equipment within the scope of IEC 61326-1, however its scope is limited to those specified in IEC 61508 from SIL1 to

SIL3 Industrial systems and equipment that are expected to perform safety functions.

The electromagnetic environment covered by this series of product standards refers to indoor and outdoor industrial locations, such as IEC 61000-6-2 or IEC 61326-1.

Equipment and systems certified for use in accordance with IEC 61508 or IEC 61511 are excluded from the scope of this document.

Fire alarm systems and security alarm systems protecting buildings are outside the scope of this document.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document.

GB/T 17626.2-2018 Electromagnetic Compatibility Test and Measurement Technology Electrostatic Discharge Immunity Test (IEC 61000-4-2.2008, IDT)

GB/T 17626.3-2016 Electromagnetic compatibility test and measurement technology Radio frequency electromagnetic field radiation immunity test (IEC 61000-4-

3.2010, IDT)

GB/T 17626.4-2018 Electromagnetic Compatibility Test and Measurement Technology Electrical Fast Transient Burst Immunity Test (IEC 61000-

4-4.2012, IDT)

GB/T 17626.5-2019 Electromagnetic Compatibility Test and Measurement Technology Surge (Shock) Immunity Test (IEC 61000-4-5.2014, IDT)

GB/T 17626.6-2017 Electromagnetic Compatibility Test and Measurement Technology Conducted Disturbance Immunity Induced by Radio Frequency Fields (IEC 61000-

4-6.2013, IDT)

GB/T 17626.11-2008 Electromagnetic Compatibility Test and Measurement Technology Voltage Dips, Short Interruptions and Voltage Change Immunity

Test (IEC 61000-4-11.2004, IDT)

GB/T 17626.29-2006 Electromagnetic compatibility test and measurement technology DC power input port voltage dips, short-term interruptions and

Voltage variation immunity test (IEC 61000-4-29.2000, IDT)

GB/T 18268.32-2022 Electromagnetic Compatibility Requirements for Electrical Equipment for Measurement, Control and Laboratory Use Part 32.Safety Phases

Industrial applications where the immunity of systems and equipment expected to perform safety-related functions (functional safety) requires a specific electromagnetic environment (IEC 61326-3-2.2017, IDT)

GB/T 20438.2-2017 Functional Safety of Electrical/Electronic/Programmable Electronic Safety-Related Systems Part 2.Electrical/Electrical

Requirements for sub/programmable electronic safety-related systems (IEC 61508-4.2010, IDT)

GB/T 18268.1 | GB/T 18271.2 | GB/T 18271.1 | GB/T 18268.22 | GB/T 18268.32 | GB/T 18268.23 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 57 pages — is available in the English PDF.

Referenced standards

Normative references

IEC 61000 · IEC 61326 · IEC 61508

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