WG 4 - TC 65/SC 65A/WG 4

IEC 61326-2-7:2025 specifies the EMC test requirements for process automation equipment using at least one Ethernet APL (Ethernet ADVANCED PHYSICAL LAYER) compliant port according IEC TS 63444. The type of equipment covered by this document includes INFRASTRUCTURE DEVICES such as switches as well as measurement and control devices. This document provides requirements for the EMC test setups of the APL interface for devices intended for use in process control and process measurement.
The other functions of the equipment remain covered by other parts of the IEC 61326 series.
NOTE Ethernet-APL uses IEEE Std. 802.3 2022 Ethernet Physical Layer 10BASE-T1L, suitable to be used for full-duplex communication over a single balanced pair of conductors.
The test levels are based on the intended environment as stated in the product’s specification or user documentation and selected appropriately from IEC 61326-1.

IEC 61326-2-6:2025 applies to the BASIC SAFETY and ESSENTIAL PERFORMANCE of IN VITRO DIAGNOSTIC MEDICAL ELECTRICAL EQUIPMENT (IVD MEE). This part of IEC 61326 applies to the BASIC SAFETY and ESSENTIAL PERFORMANCE of IVD MEE in the presence of electromagnetic disturbances and to electromagnetic disturbances emitted by IVD MEE.
BASIC SAFETY with regard to electromagnetic disturbances is applicable to all IVD MEE.
NOTE 1 Performance with respect to electromagnetic disturbances other than ESSENTIAL PERFORMANCE is the subject of IEC 61326-1:2020
NOTE 2 IT equipment can be a part of an IVD MEE, if it is required to maintain BASIC SAFETY or ESSENTIAL PERFORMANCE.
This edition includes the following significant technical changes with respect to the previous edition:
- Update of the document with respect to test levels and documentation.

IEC 61326-2-5:2020 treats the particular features for EMC testing of field devices with field bus interfaces. This part of IEC 61326 covers only the field bus interface of the equipment. This part refers only to field devices intended for use in process control and process measuring. In this document, field devices with interfaces according to IEC 61784-1:2019, CP 3/2 and CP 1/1 as defined in IEC 61784 are covered. Other field bus interfaces may be included in future editions of this document.

IEC 61326-2-6:2020 specifies minimum requirements for immunity and emissions regarding electromagnetic compatibility for IN VITRO DIAGNOSTIC (IVD) MEDICAL EQUIPMENT, taking into account the particularities and specific aspects of this electrical equipment and their electromagnetic environment.

IEC 61326-2-4:2020 specifies more detailed test configurations, operational conditions and performance criteria than IEC 61326-1 for equipment for
- insulation monitoring according to IEC 61557-8;
- insulation fault location according to IEC 61557-9.
This applies to insulation monitoring devices and for equipment for insulation fault location systems permanently or semi-permanently connected to the distribution system.

IEC 61326-2-3:2020 specifies more detailed test configurations, operational conditions and performance criteria for transducers with integrated or remote signal conditioning. This document applies only to transducers characterized by their ability to transform, with the aid of an auxiliary energy source, a non-electric quantity to a process-relevant electrical signal, and to output the signal at one or more PORTS. This document includes transducers for electrochemical and biological measured quantities. The transducers covered by this document can be powered by AC or DC voltage and/or by battery or with internal power supply.

IEC 61326:2020 specifies requirements for immunity and emissions regarding electro¬magnetic compatibility (EMC) for electrical equipment, operating from a supply or battery of less than 1 000 V AC or 1 500 V DC or from the circuit being measured. Equipment intended for professional, industrial-process, industrial-manufacturing and educational use is covered by this part. It includes equipment and computing devices for
- measurement and test;
- control;
- LABORATORY use;
- accessories intended for use with the above (such as sample handling equipment),
intended to be used in industrial and non-industrial locations.

IEC 61326-2-2:2020 specifies more detailed test configurations, operational conditions and performance criteria for equipment covered by Annex A of IEC 61326-1:2020 which is:
- used for testing, measuring or monitoring of protective measures in low-voltage distribution systems, and;
- powered by battery and/or from the circuit measured, and
- portable.
Examples of such EUTs include, but are not limited to, voltage detectors, insulation testers, earth continuity testers, earth resistance testers, leakage current clamps, loop impedance testers, “residual-current-device-testers” (RCD-testers) and phase sequence testers as defined in IEC 61557 (all parts).

IEC 61326:2020 specifies more detailed test configurations, operational conditions and performance criteria for equipment with test and measurement circuits (internal or, external to the equipment, or both) that are not EMC protected for operational and/or functional reasons, as specified by the manufacturer. The manufacturer specifies the environment for which the product is intended to be used and selects the appropriate test level specifications of IEC 61326-1:2020.

IEC 61326-3-1:2017 covers all equipment within the scope of IEC 61326-1, but is limited to systems and equipment for industrial applications intended to perform safety functions as defined in IEC 61508 with SIL 1-3.
This second edition cancels and replaces the first edition published in 2008. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- extension of the frequency range up to 6 GHz for the radio-frequency electromagnetic field test according to IEC 61000-4-3,
- replacement of the performance criterion FS with DS according to the generic standard IEC 61000-6-7,
- adding Table 1 - Aspects to be considered during application of performance criterion DS,
- including immunity tests for devices with current consumption > 16 A according to IEC 61000-4-34,
- updating Table 8 - Frequency ranges of mobile transmitters and ISM equipment,
- updating Figure A.1 and Figure 1 for better readability.

IEC 61326-3-2:2017 covers all equipment within the scope of IEC 61326-1, but is limited to systems and equipment for industrial applications within a specified electromagnetic environment and intended to perform safety functions as defined in IEC 61508 with SIL 1-3.
This second edition cancels and replaces the first edition published in 2008. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- extension of the frequency range up to 6 GHz for the radio-frequency electromagnetic field test according to IEC 61000-4-3,
- replacement of the performance criterion FS with DS according to the generic standard IEC 61000-6-7,
- adding Table 1 - Aspects to be considered during application of performance criterion DS,
- including immunity tests for devices with current consumption > 16 A according to IEC 61000-4-34,
- updating Figure A.1 and Figure 1 for better readability,
- adding tests according to IEC 61000-4-16 to replace the tests according to IEC 61000-4-6 in the frequency range between 10 kHz and 150 kHz.

IEC 61326-2-5:2012 treats the particular features for EMC testing of field devices with field bus interfaces. This part of IEC 61326 covers only the field bus interface of the equipment. This second edition cancels and replaces the first edition published in 2005. This edition constitutes a technical revision. The main technical changes are: Update with respect to IEC 61326-1:2012.
This publication is to be read in conjunction with IEC 61326-1:2012.

IEC 61326-2-1:2012 specifies more detailed test configurations, operational conditions and performance criteria for equipment with test and measurement circuits (both internal and/or external to the equipment) that are not EMC protected for operational and/or functional reasons, as specified by the manufacturer. This second edition cancels and replaces the first edition published in 2005. This edition constitutes a technical revision. The main technical changes are: Update with respect to IEC 61326-1:2012.
This publication is to be read in conjunction with IEC 61326-1:2012.

IEC 61326-2-2:2012 specifies more detailed test configurations, operational conditions and performance criteria for equipment covered by Annex A of IEC 61326-1 which is used for testing, measuring or monitoring of protective measures in low-voltage distribution systems, and; powered by battery and/or from the circuit measured, and portable. This second edition cancels and replaces the first edition published in 2005. This edition constitutes a technical revision. The main technical changes are: Update with respect to IEC 61326-1:2012.
This publication is to be read in conjunction with IEC 61326-1:2012.

IEC 61326-2-3:2012 specifies detailed test configurations, operational conditions and performance criteria for transducers with integrated or remote signal conditioning. It applies only to transducers characterized by their ability to transform, with the aid of an auxiliary energy source, a non-electric quantity to a process-relevant electrical signal, and to output the signal at one or more ports. It includes transducers for electrochemical and biological measured quantities. The transducers covered by this standard may be powered by a.c. or d.c. voltage and/or by battery or with internal power supply. This second edition cancels and replaces the first edition published in 2006. It constitutes a technical revision and includes the following significant technical change with respect to the previous edition: update of the document with respect to IEC 61326-1:2012.
This publication is to be read in conjunction with IEC 61326-1:2012.

IEC 61326-2-6:2012 specifies minimum requirements for immunity and emissions regarding electromagnetic compatibility for in vitro diagnostic medical equipment, taking into account the particularities and specific aspects of this electrical equipment and their electromagnetic environment. This second edition cancels and replaces the first edition published in 2005 and constitutes a technical revision. It includes the following significant technical change: update of the document with respect to IEC 61326-1:2012.
This publication is to be read in conjunction with IEC 61326-1:2012.

IEC 61326-1:2012 specifies requirements for immunity and emissions regarding electromagnetic compatibility (EMC) for electrical equipment, operating from a supply or battery of less than 1 000 V a.c. or 1 500 V d.c. or from the circuit being measured. Equipment intended for professional, industrial-process, industrial-manufacturing and educational use is covered by this part. This second edition cancels and replaces the first edition, published in 2005. It constitutes a technical revision. The significant technical changes with respect to the previous edition are:
- the immunity test levels and performance criteria have been reviewed;
- requirements for portable test and measurement equipment have been clarified and amended;
- the description of the electromagnetic environments has been improved.

IEC 61236-2-4:2012 specifies detailed test configurations, operational conditions and performance criteria for equipment for insulation monitoring according to IEC 61557-8 and insulation fault location according to IEC 61557-9. This applies to insulation monitoring devices and insulation fault location systems permanently or semi-permanently connected to the distribution system. This second edition cancels and replaces the first edition published in 2006 and constitutes a technical revision. It includes the following significant technical change: update of the document with respect to IEC 61326-1:2012.
This publication is to be read in conjunction with IEC 61326-1:2012.

IEC 61326-1 applies to this part of IEC 61326 but is limited to systems and equipment for industrial applications intended to perform safety functions as defined in IEC 61508 with SIL 1-3. The electromagnetic environments encompassed by this product family standard are industrial, both indoor and outdoor, as described for industrial locations in IEC 61000-6-2 or defined in 3.7 of IEC 61326-1. Equipment and systems intended for use in other electromagnetic environments, for example, in the process industry or in environments with potentially explosive atmospheres, are excluded from the scope of this product family standard, IEC 61326-3-1. The contents of the corrigendum of September 2008 have been included in this copy.

IEC 61326-1 applies to this part of IEC 61326 but is limited to systems and equipment for industrial applications within a specified electromagnetic environment and intended to perform safety functions as defined in IEC 61508 with SIL 1-3. The electromagnetic environments encompassed by this product family standard are industrial, both indoor and outdoor, as they can be found in industrial applications with an electromagnetic environment having specified characteristics (for example, process industry). The difference between the electromagnetic environment covered by this standard compared to the general industrial environment (see IEC 61326-3-1) is due to the mitigation measures employed against electromagnetic phenomena leading to a specified electromagnetic environment. The contents of Interpretation Sheet 1 of June 2013 have been included in this copy.

treats the particular features for EMC testing of field devices with interfaces according to IEC 61784-1, CP 3/2. This part of IEC 61326 covers only the field-bus interface of the equipment. traite les aspects particuliers des essais CEM pour les dispositifs ayant des interfaces conformes à la CEI 61784-1, CP 3/2.

specifies more detailed test configurations, operational conditions and performance criteria than IEC 61326-1 for equipment for - insulation monitoring according to IEC 61557-8 -insulation fault location according to IEC 61557-9; This applies to insulation monitoring devices and insulation fault location systems permanently or semi-permanently connected to the distribution system.

specifies minimum requirements for immunity and emissions regarding electromagnetic compatibility for in vitro diagnostic medical equipment, taking into account the particularities and specific aspects of this electrical equipment and their electromagnetic environment. The contents of the corrigendum of September 2007 have been included in this copy.

this part of IEC 61326 specifies more detailed test configurations, operational conditions and performance criteria for equipment which is used for testing, measuring or monitoring of protective measures in low-voltage distribution systems, and powered by battery and/or from the circuit measured, and portable The contents of the corrigendum of November 2007 have been included in this copy.

specifies more detailed test configurations, operational conditions and performance criteria for equipment with test and measurement circuits (both internal and/or external to the equipment) that are not EMC protected for operational and/or functional reasons, as specified by the manufacturer.

specifies minimum requirements for immunity and emissions regarding electromagnetic compatibility (EMC) for electrical equipment, operating from a supply of less than 1 000 V a.c. or 1 500 V d.c. or from the circuit being measured, intended for professional, industrial-process and educational use, including equipment and computing devices. The contents of the corrigendum of July 2002 have been included in this copy.