ISO/FDIS 14982-2
(Main)Agricultural and forestry machinery - Electromagnetic compatibility - Part 2: Additional EMC requirements for functional safety
Agricultural and forestry machinery - Electromagnetic compatibility - Part 2: Additional EMC requirements for functional safety
Machines agricoles et forestières — Compatibilité électromagnétique — Partie 2: Exigences CEM supplémentaires relatives à la sécurité fonctionnelle
General Information
- Status
- Not Published
- Technical Committee
- ISO/TC 23/SC 2 - Common tests
- Drafting Committee
- ISO/TC 23/SC 2/WG 10 - Revision of ISO 14982 (EMC)
- Current Stage
- 5000 - FDIS registered for formal approval
- Start Date
- 15-Feb-2022
- Completion Date
- 19-Nov-2021
Relations
- Consolidates
ISO 24213:2017 - Metallic materials - Sheet and strip - Method for springback evaluation in stretch bending - Effective Date
- 06-Jun-2022
- Effective Date
- 17-Jul-2021
Overview
ISO/FDIS 14982-2 - "Agricultural and forestry machinery - Electromagnetic compatibility - Part 2: Additional EMC requirements for functional safety" is a draft international standard that specifies test methods and acceptance criteria to evaluate electromagnetic compatibility (EMC) for tractors and mobile agricultural, forestry, landscaping and gardening machinery, and their electrical/electronic sub‑assemblies (ESAs). It focuses on EMC effects that can impair functional safety (i.e., safety‑related control functions assessed per ISO 25119) and applies to machines and ESAs manufactured after publication.
Key topics
- Scope and applicability
- Targets functions with a risk-assessed integrity level ≥ AgPLr b (ISO 25119‑2) where EMC failures can affect safety.
- Excludes machines directly supplied from public low‑voltage mains.
- EMC phenomena evaluated
- Radiated electromagnetic fields from off‑board sources and from portable transmitters (antenna inside/outside).
- Wire‑conducted electrical fields and electrostatic discharge (ESD).
- Test methods and acceptance criteria
- Defines test procedures, acceptance criteria, alternate methods and machine/ESA immunity reference limits (see Clauses 6–9).
- Requires demonstration that a machine either maintains intended function or safely transitions to a defined safe state under EMC disturbance.
- ESA testing
- Requires assessment of machine‑level behavior when an ESA fails (e.g., corrupted controller signals impacting braking/steering).
- Reporting and lifecycle
- Specifies required test report contents (Clause 10) and includes informative annexes on installation/maintenance (Annex A) and portable transmitter testing (Annex B).
Applications
- Who uses it
- Machine manufacturers validating EMC for safety‑related controls.
- ESA suppliers designing components intended for agricultural and forestry machinery.
- Regulatory and health & safety bodies, conformity assessors, and market surveillance organizations.
- Maintenance/service providers and fleet operators concerned with EMC‑related risks.
- Practical uses
- Integrate into design validation and verification for safety‑related control systems.
- Build EMC requirements into procurement specifications and supplier contracts.
- Support risk assessments under ISO 25119 and demonstrate compliance for conformity and market access.
- Guide mitigation measures (shielding, filtering, grounding, layout, software fault handling).
Related standards
- ISO 14982‑1 (Part 1: General EMC requirements)
- ISO 25119 (Safety‑related parts of control systems)
- ISO 10605 (ESD test methods)
- ISO 11451 series and ISO 11452 series (radiated and component EMC test methods, BCI, TEM cell, etc.)
Keywords: ISO/FDIS 14982-2, electromagnetic compatibility, EMC, agricultural and forestry machinery, functional safety, ESA, ISO 25119, ESD, radiated fields, portable transmitters, immunity testing.
ISO/FDIS 14982-2 - Agricultural and forestry machinery — Electromagnetic compatibility — Part 2: Additional EMC requirements for functional safety Released:14. 02. 2025
REDLINE ISO/FDIS 14982-2 - Agricultural and forestry machinery — Electromagnetic compatibility — Part 2: Additional EMC requirements for functional safety Released:14. 02. 2025
Frequently Asked Questions
ISO/FDIS 14982-2 is a draft published by the International Organization for Standardization (ISO). Its full title is "Agricultural and forestry machinery - Electromagnetic compatibility - Part 2: Additional EMC requirements for functional safety". This standard covers: Agricultural and forestry machinery - Electromagnetic compatibility - Part 2: Additional EMC requirements for functional safety
Agricultural and forestry machinery - Electromagnetic compatibility - Part 2: Additional EMC requirements for functional safety
ISO/FDIS 14982-2 is classified under the following ICS (International Classification for Standards) categories: 33.100.01 - Electromagnetic compatibility in general; 65.060.01 - Agricultural machines and equipment in general. The ICS classification helps identify the subject area and facilitates finding related standards.
ISO/FDIS 14982-2 has the following relationships with other standards: It is inter standard links to ISO 24213:2017, ISO 14982:1998. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
ISO/FDIS 14982-2 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
FINAL DRAFT
International
Standard
ISO/TC 23/SC 2
Agricultural and forestry
Secretariat: ANSI
machinery — Electromagnetic
Voting begins on:
compatibility —
2025-02-21
Part 2:
Voting terminates on:
2025-04-18
Additional EMC requirements for
functional safety
Machines agricoles et forestières — Compatibilité
électromagnétique —
Partie 2: Exigences CEM supplémentaires relatives à la sécurité
fonctionnelle
RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT,
WITH THEIR COMMENTS, NOTIFICATION OF ANY
RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE
AND TO PROVIDE SUPPOR TING DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/CEN PARALLEL PROCESSING LOGICAL, COMMERCIAL AND USER PURPOSES, DRAFT
INTERNATIONAL STANDARDS MAY ON OCCASION HAVE
TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL
TO BECOME STAN DARDS TO WHICH REFERENCE MAY BE
MADE IN NATIONAL REGULATIONS.
Reference number
FINAL DRAFT
International
Standard
ISO/TC 23/SC 2
Agricultural and forestry
Secretariat: ANSI
machinery — Electromagnetic
Voting begins on:
compatibility —
2025-02-21
Part 2:
Voting terminates on:
2025-04-18
Additional EMC requirements for
functional safety
Machines agricoles et forestières — Compatibilité
électromagnétique —
Partie 2: Exigences CEM supplémentaires relatives à la sécurité
fonctionnelle
RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT,
WITH THEIR COMMENTS, NOTIFICATION OF ANY
RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE
AND TO PROVIDE SUPPOR TING DOCUMENTATION.
© ISO 2025
IN ADDITION TO THEIR EVALUATION AS
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/CEN PARALLEL PROCESSING
LOGICAL, COMMERCIAL AND USER PURPOSES, DRAFT
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
INTERNATIONAL STANDARDS MAY ON OCCASION HAVE
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL
or ISO’s member body in the country of the requester.
TO BECOME STAN DARDS TO WHICH REFERENCE MAY BE
MADE IN NATIONAL REGULATIONS.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland Reference number
ii
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms, definitions, and abbreviated terms . 2
4 General principles . 2
5 EMC phenomena. 3
6 Specifications for the immunity of machines to electromagnetic radiation . 4
6.1 Test method .4
6.2 Acceptance criteria .5
6.3 Alternate test methods .5
6.4 Machine immunity reference limits .5
7 Specifications for the immunity of machines to ESD. 6
7.1 General .6
7.2 Reference limits .6
8 Specifications for the immunity of ESA’s to electromagnetic radiation . 6
8.1 Test method .6
8.2 ESA immunity reference limits .7
9 Specifications for the immunity of ESA’s to ESD . 7
9.1 Powered up test .7
9.2 Packaging and handling .8
10 Test report . 8
Annex A (informative) Installation and maintenance aspects .10
Annex B (informative) Immunity to radiated electromagnetic fields from portable transmitters .11
Annex ZA (informative) Relationship between the European Standard and the essential
requirements of Directive 2006/42/EC aimed to be covered .12
Bibliography .13
iii
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out through
ISO technical committees. Each member body interested in a subject for which a technical committee
has been established has the right to be represented on that committee. International organizations,
governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely
with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are described
in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the different types
of ISO document should be noted. This document was drafted in accordance with the editorial rules of the
ISO/IEC Directives, Part 2 (see www.iso.org/directives).
ISO draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). ISO takes no position concerning the evidence, validity or applicability of any claimed patent
rights in respect thereof. As of the date of publication of this document, ISO had not received notice of (a)
patent(s) which may be required to implement this document. However, implementers are cautioned that
this may not represent the latest information, which may be obtained from the patent database available at
www.iso.org/patents. ISO shall not be held responsible for identifying any or all such patent rights.
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and expressions
related to conformity assessment, as well as information about ISO's adherence to the World Trade
Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www.iso.org/iso/foreword.html.
This document was prepared by Technical Committee ISO/TC 23, Tractors and machinery for agriculture
and forestry, Subcommittee SC 2, Common tests, in collaboration with the European Committee for
Standardization (CEN) Technical Committee CEN/TC 144, Agricultural machinery, in accordance with the
Agreement on technical cooperation between ISO and CEN (Vienna Agreement).
This document was prepared by Technical Committee ISO/TC 23, Tractors and machinery for agriculture and
forestry, Subcommittee SC 2, Common tests.
1)
This first edition of ISO 14982-2, together with ISO/FDIS 14982-1:— , cancels and replaces ISO 14982:1998,
which has been technically revised.
The main changes are as follows:
— the provisions have been brought up to date with technological change;
— normative references have been updated to the latest editions.
A list of all parts in the ISO 14982 series can be found on the ISO website.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www.iso.org/members.html.
1) Under development. Stage at the date of publication: ISO/FDIS 14982-1:2025.
iv
Introduction
This document is a type-C standard as stated in ISO 12100:2010.
This document is of relevance for the following stakeholder groups representing the market players with
regard to machinery safety:
— machine manufacturers;
— health and safety bodies (regulators, accident prevention organizations, market surveillance etc.).
Others can be affected by the level of machinery safety achieved with the means of the document by the
above-mentioned stakeholder groups:
— machine users/employers;
— machine users/employees (e.g. trade unions, organizations for people with special needs);
— service providers, e.g. for maintenance;
— consumers (in case of machinery intended for use by consumers).
The above-mentioned stakeholder groups have been given the possibility to participate at the drafting
process of this document.
The machinery concerned and the extent to which hazards, hazardous situations or hazardous events are
covered are indicated in the Scope of this document.
When requirements of this type-C standard are different from those which are stated in type-A or type-B
standards, the requirements of this type-C standard take precedence over the requirements of the other
standards for machines that have been designed and built according to the requirements of this type-C
standard.
v
FINAL DRAFT International Standard ISO/FDIS 14982-2:2025(en)
Agricultural and forestry machinery — Electromagnetic
compatibility —
Part 2:
Additional EMC requirements for functional safety
1 Scope
This document specifies test methods and acceptance criteria for evaluating the electromagnetic
compatibility of tractors, and all kinds of mobile (including hand-held) agricultural machinery, forestry
machinery, landscaping, and gardening machinery [referred to hereafter as machine(s)] as supplied by the
machine manufacturer. It is applicable to machines and electrical/electronic sub-assemblies (ESA's) which
are manufactured after the date of publication of this document.
It specifies additional EMC requirements under aspect of functional safety for machinery, ESA and separate ESAs.
This document is only relevant for functions of machine control system failures which when risk assessed to
the relevant ISO 25119 part (or the equivalent when other electronic functional safety standards are used),
are greater than or equal to AgPLr b (or the equivalent).
Electrical and electronic components or separate ESAs intended to be used in the applicable machinery
control functions are also dealt with by this document.
The following electromagnetic disturbance phenomena are evaluated:
— radiated electromagnetic field by off-board sources with various field strength and frequency;
— radiated electromagnetic field by portable transmitters (antenna inside/outside) with various field
strength and frequency;
— electrical field (wire conducted electrical fields);
— electrostatic discharge.
Annex A provides additional information regarding the effects of life cycle and ageing on EMC performance.
Annex B provides additional information for performing the portable transmitter test.
This document is not applicable to machines directly supplied with low voltage current from public
electrical mains.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content constitutes
requirements of this document. For dated references, only the edition cited applies. For undated references,
the latest edition of the referenced document (including any amendments) applies.
ISO 10605, Road vehicles — Test methods for electrical disturbances from electrostatic discharge
ISO 11451-1:2015, Road vehicles — Vehicle test methods for electrical disturbances from narrowband radiated
electromagnetic energy — Part 1: General principles and terminology
ISO 11451-2:2015, Road vehicles — Vehicle test methods for electrical disturbances from narrowband radiated
electromagnetic energy — Part 2: Off-vehicle radiation sources
ISO 11451-4:2013, Road vehicles — Vehicle test methods for electrical disturbances from narrowband radiated
electromagnetic energy — Part 4: Bulk current injection (BCI)
ISO 11452-2:2019, Road vehicles — Component test methods for electrical disturbances from narrowband
radiated electromagnetic energy — Part 2: Absorber-lined shielded enclosure
ISO 11452-3:2016, Road vehicles — Component test methods for electrical disturbances from narrowband
radiated electromagnetic energy — Part 3: Transverse electromagnetic (TEM) cell
ISO 11452-4:2020, Road vehicles — Component test methods for electrical disturbances from narrowband
radiated electromagnetic energy — Part 4: Harness excitation methods
ISO 11452-5:2002, Road vehicles — Component test methods for electrical disturbances from narrowband
radiated electromagnetic energy — Part 5: Stripline
ISO 12100:2010, Safety of machinery — General principles for design — Risk assessment and risk reduction
2)
ISO/FDIS 14982-1:— , Agricultural and forestry machinery — Electromagnetic compatibility — Part 1:
General EMC requirements
ISO 25119-1:2018, Tractors and machinery for agriculture and forestry — Safety-related parts of control
systems — Part 1: General principles for design and development
ISO 25119-2:2019, Tractors and machinery for agriculture and forestry — Safety-related parts of control
systems — Part 2: Concept phase
3 Terms, definitions, and abbreviated terms
For the purposes of this document, the terms and definitions given in ISO 12100:2010 and ISO 14982-1:— apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at https:// www .electropedia .org/
4 General principles
The EMC requirements defined in this document shall be evaluated in terms of their effect on the functional
safety of the machine in order to represent to totality of all significant technically and known such
phenomena.
The performance parameters linked to these EMC phenomena thereby represent the current generally
known implemented technical performance measure (magnitude).
The user of this document shall test to the levels in Clause 5 to all functions with a greater than or equal to
AgPLr b as defined in ISO 25119-2:2019 (or equivalent). The machine shall either maintain the function as
intended by the manufacturer or to perform a changeover into the “safe state” as implied in ISO 25119-1:2018
(or equivalent).
If analysis or simulation is used as an alternative to testing in accordance with Clause 5, data proving that
the machine changes to one of the defined states mentioned above shall be included in the test report or
compliance statement of this document.
For ESA testing it is required to determine the machine level behavior of immunity failures for the device
under test, such as a corrupted signal from a controller can cause a loss of braking or steering.
Safety related functions require compliance to ISO/FDIS 14982-1:— and this document.
2) Under development. Stage at the date of publication: ISO/FDIS 14982-1:2025.
5 EMC phenomena
With the increasing use of electronic devices in areas where agricultural and forestry machinery operates,
there is a need to ensure that the machinery is provided with adequate immunity to electromagnetic
disturbances.
The electrical and high frequency disturbances as described in this document refer to electromagnetic
effects caused due to technical appliances (man-made effects). These effects generally can be considered as
singular ones and additionally located and restricted to defined narrow areas.
While these effects on machinery cannot be considered as being general, their consequences on machinery
still need to be considered. They might be generated within a large frequency range with different electrical
characteristics or by conduction or radiation, and then imparted to other electrical/electronic devices and
systems by conduction or radiation. Narrowband, and sometimes broadband, signals generated by sources
of interference inside or outside the machinery may also be coupled in electrical/electronic systems and
influence the normal function of electrical/electronic devices. These strong electromagnetic disturbances
may cause systematic or “common cause” faults.
Electrostatic discharges are relevant to the machinery because control elements can be positioned outside
the operator station where potential differences may emerge at contact points. Conducted transients in
power supply wir
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Style Definition
ISO/DIS 14982-2:2021 (E)
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ISO TC 23/SC 2/WG 10
ISO/TC 23/SC 2
Secretariat: ANSIANSI
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Date: 2025-02-14
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Agricultural and forestry machinery — Electromagnetic .
compatibility —
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Part 2:
English (United Kingdom)
Additional EMC requirements for functional safety
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Machines agricoles et forestières - — Compatibilité électromagnétique - —
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Partie 2: Exigences CEM supplémentaires pourrelatives à la sécurité fonctionnelle
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Warning
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This document is not an ISO International Standard. It is distributed for review and comment. It is
subject to change without notice and may not be referred to as an International Standard.
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Recipients of this draft are invited to submit, with their comments, notification of any relevant patent
rights of which they are aware and to provide supporting documentation.
ii © ISO 2021 – All rights reserved
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FDIS stage
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may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, Formatted: Left: 1.5 cm, Right: 1.5 cm, Top: 1.4 cm,
Bottom: 1 cm, Header distance from edge: 1.27 cm,
or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO
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at the address below or ISO’s member body in the country of the requester.
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ISO copyright office
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CP 401 • Ch. de Blandonnet 8
between Asian text and numbers, Border: Left: (No
CH-1214 Vernier, Geneva
border), Right: (No border)
Phone: + 41 22 749 01 11
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EmailE-mail: copyright@iso.org
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Published in Switzerland
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Contents
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Foreword . iv
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Introduction . vi
1 Scope . 1
2 Normative references . 1
3 Terms, definitions, and abbreviated terms . 2
4 General principles . 2
5 EMC phenomena . 3
5.1 General . 3
6 Specifications for the immunity of machines to electromagnetic radiation . 5
6.1 Test method . 5
6.2 Acceptance criteria . 5
6.3 Alternate test methods . 5
6.4 Machine immunity reference limits . 6
7 Specifications for the immunity of machines to ESD . 6
7.2 Reference limits . 6
8 Specifications for the immunity of ESA’s to electromagnetic radiation . 7
8.1 Test method . 7
8.2 ESA immunity reference limits. 7
9 Specifications for the immunity of ESA’s to ESD . 8
9.1 Powered up test . 8
9.2 Packaging and handling . 8
10 Test report . 9
(informative) Installation and maintenance aspects . 10
(informative) Immunity to radiated electromagnetic fields from portable
transmitters. 11
Annex ZA (informative) Relationship between the European Standard and the essential
requirements of Directive 2006/42/EC aimed to be covered . 12
Bibliography . 13
Foreword .vii
Introduction . ix
1 Scope . 1
2 Normative references . 1
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3 Terms, definitions, and abbreviated terms . 2
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4 General principles . 3
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6 Specifications for the immunity of machines to electromagnetic radiation . 5
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7 Specifications for the immunity of machines to ESD . 7
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8 Specifications for the immunity of ESA’s to electromagnetic radiation . 7
9 Specifications for the immunity of ESA’s to ESD . 9
10 Test report . 9
Annex A (informative) Installation and maintenance aspects. 11
Annex B (informative) Immunity to radiated electromagnetic fields from portable transmitters13
Annex ZA (informative) Relationship between the European Standard and the essential
requirements of Directive 2006/42/EC aimed to be covered . 14
Bibliography . 15
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ISO/DISFDIS 14982-2:2021 (E2025(en) Formatted
...
Formatted
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Formatted
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Foreword
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ISO (the International Organization for Standardization) is a worldwide federation of national standards Formatted
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bodies (ISO member bodies). The work of preparing International Standards is normally carried out through
Formatted
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ISO technical committees. Each member body interested in a subject for which a technical committee has been
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established has the right to be represented on that committee. International organizations, governmental and
non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the Formatted
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International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
Formatted
...
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The procedures used to develop this document and those intended for its further maintenance are described .
in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the different types of
Formatted
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ISO documentsdocument should be noted. This document was drafted in accordance with the editorial rules
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of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
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Attention is drawnISO draws attention to the possibility that some of the elementsimplementation of this
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document may beinvolve the subjectuse of (a) patent(s). ISO takes no position concerning the evidence,
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However, implementers are cautioned that this may not represent the latest information, which may be
Formatted
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obtained from the patent database available at www.iso.org/patents. ISO shall not be held responsible for
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identifying any or all such patent rights. Details of any patent rights identified during the development of the
document will be in the Introduction and/or on the ISO list of patent declarations received (see Formatted
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www.iso.org/patents).
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Any trade name used in this document is information given for the convenience of users and does not .
constitute an endorsement.
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For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and expressions
related to conformity assessment, as well as information about ISO's adherence to the World Trade
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Organization (WTO) principles in the Technical Barriers to Trade (TBT), see
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www.iso.org/iso/foreword.htmlwww.iso.org/iso/foreword.html.
Formatted
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This document was prepared by Technical Committee ISO/TC 23, Tractors and machinery for agriculture and
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forestry, Subcommittee SC 2, Common tests, in collaboration with the European Committee for Standardization
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(CEN) Technical Committee CEN/TC 144, Agricultural machinery, in accordance with the Agreement on
technical cooperation between ISO and CEN (Vienna Agreement).
Formatted
...
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...
This document was prepared by Technical Committee ISO/TC 23, Tractors and machinery for agriculture and
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forestry, Subcommittee SC 2, Common tests. .
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1)
This first edition of ISO 14982-2, together with ISO/FDIS 14982-1,:— , cancels and replaces ISO 14982:1998,
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...
which has been technically revised.
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...
The main changes compared to the previous edition are as follows:
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...
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— — the provisions have been brought up to date with technological change; .
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...
— — normative references have been updated to the latest editions.
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A list of all parts in the ISO 14982 series can be found on the ISO website. Formatted
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1)
Under development. Stage at the date of publication: ISO/FDIS 14982-1:2025. Formatted
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vii
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Any feedback or questions on this document should be directed to the user’s national standards body. A
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complete listing of these bodies can be found at www.iso.org/members.html.
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A list of all parts in the ISO 14982 series can be found on the ISO website.
Formatted: English (United Kingdom)
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viii © ISO 2021 – All rights reserved
ISO/DISFDIS 14982-2:2021 (E2025(en) Formatted: Font: 11 pt, Bold
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Introduction
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This document is a type-C standard as stated in ISO 12100:2010.
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This document is of relevance for the following stakeholder groups representing the market players with
regard to machinery safety:
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⎯— machine manufacturers;
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⎯— health and safety bodies (regulators, accident prevention organizations, market surveillance etc.). Asian text, Adjust space between Asian text and
numbers
Others can be affected by the level of machinery safety achieved with the means of the document by the above-
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mentioned stakeholder groups:
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⎯— machine users/employers;
numbers
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⎯— machine users/employees (e.g.,. trade unions, organizations for people with special needs);
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⎯— service providers, e.g.,. for maintenance;
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⎯— consumers (in case of machinery intended for use by consumers).
The above-mentioned stakeholder groups have been given the possibility to participate at the drafting process
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of this document.
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numbers
The machinery concerned and the extent to which hazards, hazardous situations or hazardous events are
covered are indicated in the Scope of this document.
When requirements of this type-C standard are different from those which are stated in type-A or type-B
standards, the requirements of this type-C standard take precedence over the requirements of the other
standards for machines that have been designed and built according to the requirements of this type-C
standard.
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ix
ISO/DISFDIS 14982-2:2021 (E2025(en) Formatted: Font: 11 pt, Bold
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Agricultural and forestry machinery — Electromagnetic
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compatibility —
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Part 2:
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Additional EMC requirements for functional safety
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1 Scope
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This document specifies test methods and acceptance criteria for evaluating the electromagnetic compatibility
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of tractors, and all kinds of mobile (including hand-held) agricultural machinery, forestry machinery,
landscaping, and gardening machinery [referred to hereafter as machine(s)] as supplied by the machine
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manufacturer. It is applicable to machines and electrical/electronic sub-assemblies (ESA's) which are
manufactured after the date of publication of this document.
It specifies additional EMC requirements under aspect of functional safety for machinery, ESA and separate
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ESAs.
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This document is only relevant for functions of machine control system failures which when risk assessed to
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the relevant ISO 25119 part (or the equivalent when other electronic functional safety standards are used),
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are greater than or equal to AgPLr b (or the equivalent).
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Electrical and electronic components or separate ESAs intended to be used in the applicable machinery control
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functions are also dealt with by this document.
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The following electromagnetic disturbance phenomena are evaluated:
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⎯— radiated electromagnetic field by off-board sources with various field strength and frequency;
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⎯— radiated electromagnetic field by portable transmitters (antenna inside/outside) with various field
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strength and frequency;
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⎯— electrical field (wire conducted electrical fields);
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⎯— electrostatic discharge.
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Annex AAnnex A provides additional information regarding the effects of life cycle and ageing on EMC
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performance.
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Annex BAnnex B provides additional information for performing the portable transmitter test.
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This document is not applicable to machines directly supplied with low voltage current from public electrical Formatted
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mains.
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2 Normative references
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The following documents are referred to in the text in such a way that some or all of their content constitutes
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requirements of this document. For dated references, only the edition cited applies. For undated references,
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the latest edition of the referenced document (including any amendments) applies.
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ISO 10605, Road vehicles — Electrical disturbance — Test methods for electrical disturbances from electrostatic
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discharge
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ISO 11451-2ISO 11451-1:2015, Road vehicles — Vehicle test methods for electrical disturbances from
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narrowband radiated electromagnetic energy — Part 1: General principles and terminology
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ISO 11451-2:2015, Road vehicles — Vehicle test methods for electrical disturbances from narrowband radiated
electromagnetic energy — Part 2: Off-vehicle radiation sources
ISO 11451-4:2013, Road vehicles — Vehicle test methods for electrical disturbances from narrowband radiated
electromagnetic energy — Part 4: Bulk current injection (BCI)
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ISO 11452-2:2019, Road vehicles — Electrical disturbances by narrowband radiated electromagnetic energy —
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Component test methods — Part 2: Absorber-lined chamber
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numbers
ISO 11452-3, Road vehicles — Component test methods for electrical disturbances from narrowband radiated
electromagnetic energy — Part 3: Transverse Electromagnetic (TEM) Cell2: Absorber-lined shielded enclosure
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ISO 11452-43:2016, Road vehicles — Component test methods for electrical disturbances from narrowband
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radiated electromagnetic energy — Part 3: Transverse electromagnetic (TEM) cell
Asian text, Adjust space between Asian text and
numbers
ISO 11452-4:2020, Road vehicles — Component test methods for electrical disturbances from narrowband
radiated electromagnetic energy — Part 4: Harness excitation methods
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ISO 11452-5:2002, Road vehicles — Electrical — Component test methods for electrical disturbances byfrom
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narrowband radiated electromagnetic energy — Component test methods — Part 5: Stripline
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ISO 14982-1,ISO 12100:2010, Safety of machinery — General principles for design — Risk assessment and risk
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reduction
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2)
ISO/FDIS 14982-1:— , Agricultural and forestry machinery — Electromagnetic compatibility — Part 1: Asian text, Adjust space between Asian text and
General EMC requirements numbers
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ISO 25119-1: 2018, Tractors and machinery for agriculture and forestry — Safety-related parts of
control systems — Part 1: General principles for design and development
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ISO 25119-2: 2019, Tractors and machinery for agriculture and forestry — Safety-related parts of
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control systems — Part 2: Concept phase
numbers
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ISO 12100, Safety of machinery -- General principles for design -- Risk assessment and risk reduction
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3 Terms, definitions, and abbreviated terms
bullets or numbering, Hyphenate
For the purposes of this document, the terms and definitions given in ISO 12100:2010 and ISO 14982-1:— Formatted: English (United Kingdom)
apply.
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Kingdom)
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
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⎯— ISO Online browsing platform: available at https://www.iso.org/obp
Field Code Changed
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Kingdom)
2)
Under development. Stage at the date of publication: ISO/FDIS 14982-1:2025. Formatted: FooterPageRomanNumber
ISO/DISFDIS 14982-2:2021 (E2025(en) Formatted: Font: 11 pt, Bold
Formatted: Font: 11 pt, Bold
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⎯— IEC Electropedia: available at http://www.electropedia.org/https://www.electropedia.org/
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4 General principles
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The EMC requirements defined in this document shall be evaluated in terms of their effect on the functional
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safety of the machine in order to represent to totality of all significant technically and known such phenomena.
Kingdom)
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The performance parameters linked to these EMC phenomena thereby represent the current generally known
implemented technical performance measure (magnitude). Formatted: Space After: 0 pt, Line spacing: single, No
bullets or numbering, Hyphenate
The user of this document shall test to the levels in Clause 5Clause 5 to all functions with a greater than or
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equal to AgPLr b as defined in ISO 25119-2:2019 (or equivalent). The machine shall either maintain the
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function as intended by the manufacturer or to perform a changeover into the “safe state” as implied in
ISO 25119-1:2018 (or equivalent). Formatted
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If analysis or simulation is used as an alternative to testing in accordance with Clause 5,Clause 5, data proving
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that the machine changes to one of the defined states mentioned above shall be included in the test report or
compliance statement of this document.
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For ESA testing it is required to determine the machine level behavior of immunity failures for the device
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under test, e.g.such as a corrupted signal from a controller can cause a loss of braking or steering.
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Safety related functions require compliance to ISO/FDIS 14982-1:— and ISO 14982-2this document.
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5 EMC phenomena Formatted: English (United Kingdom)
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5.11.1 General
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With the increasing use of electronic devices in areas where agricultural and forestry machinery operates,
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there is a need to ensure that the machinery is provided with adequate immunity to electromagnetic
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disturbances.
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The electrical and high frequency disturbances as described in this document refer to electromagnetic effects
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caused due to technical appliances (man-made effects). These effects generally can be considered as singular
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ones and additionally located and restricted to defined narrow areas.
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While these effects on machinery cannot be considered as being general, their consequences on machinery
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still need to be considered. They might be generated within a large frequency range with different electrical
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characteristics or by conduction or radiation, and then imparted to other electrical/electronic devices and
systems by conduction or radiation. Narrowband, and sometimes broadband, signals generated by sources of
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interference inside or outside the machinery may also be coupled in electrical/electronic systems and
influence the normal function of electrical/electronic devices. These strong electromagnetic disturbances may
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cause systematic or “common cause” faults.
Electrostatic discharges are relevant to the machinery because control elements can be positioned outside the
operator station where potential differences may emerge at contact points. Conducted transients in power
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supply wiring shall be considered because the machinery may contain open systems, in which several devices
or components may be combined to complement machine functionality.
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This document provides information on the kind and the level of effects as presently known. Indicative test
methods and criteria may derive from these values, given that possible test levels acceptable for the machinery
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and, in the case of testing conducted on a voluntary basis, considering the unique characteristics and operating
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parameters of the machinery. However, the functions of the machinery are not evaluated by testing alone.
Functional safety with respect to EMC phenomena can also be achieved by organizational measures on the job Formatted: Font: Not Bold
site where the machinery is located and in use.
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Because the machinery has a number of systems that may consist of components that may be used on a variety
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of different machine types, the approach of defining "electrical/electronic sub-assemblies (ESA’s) or separate
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technical units" for these components may be applied for the immunity and emissions test methods. This
allows these components to be evaluated by comparable (or alternative) test methods in existing laboratory
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facilities consisting of specially equipped shielded rooms. When electrical/electronic sub-assembly tests are
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performed, it is necessary to consider, the additional effects imparted by the wiring systems used to connect
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the sub-assemblies to the machine.
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Electrical/electronic/programmable electronic systems, intended for use as a safety-related part of a machine
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control system as defined in ISO 25119-1:2018 have a specification of intended functionality. If a disturbed
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function will become dangerous or not is sometimes unknown to the manufacturer of the
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electrical/electronic/programmable electronic systems because it depends on the future application in a
safety-related system of the whole machine.
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Testing according to this document is required to be performed so that the behaviorbehaviour of the PES in
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that safety-related system can be demonstrated.
The following subclauses present known technically induced EMC phe
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