Programmable controllers - Part 2: Equipment requirements and tests

Specifies requirements and related tests for programmable controllers (PLCs) and their associated peripherals (for example, programming and debugging tools (PADTs), human-machine interfaces (HMIs), etc.) which have as their intended use the control and command of machines and industrial processes. This third edition includes the following significant technical changes with respect to the previous edition: DC power port requirements have been moved from Clause 8 to Clause 5, Correction of the tests of Clause 6, Change of EMC requirements in Clause 8, Correction of the tests in Clause 9, New organization of Clause 11.

Speicherprogrammierbare Steuerungen - Teil 2: Betriebsmittelanforderungen und Prüfungen

Automates programmables - Partie 2: Spécifications et essais des équipements

La CEI 61131-2:2007 spécifie les exigences et les essais correspondants des automates programmables (AP) et de leurs périphériques associés (par exemple, outils de programmation et de mise au point (PADT), interfaces homme-machine (HMI), etc.) qui sont prévus pour être utilisés comme dispositifs de contrôle et de commande de machines et de processus industriels. Elle établit les définitions et identifie les principales caractéristiques concernant le choix et l'application des AP et de leurs périphériques associés. Elle spécifie des exigences minimales pour les caractéristiques fonctionnelles, électriques, mécaniques, environnementales et de construction, les conditions de service, la sécurité, la CEM, la programmation utilisateur et les essais applicables aux AP et aux périphériques associés. Cette troisième édition de la CEI 61131-2 annule et remplace la deuxième édition, publiée en 2003, dont elle constitue une révision technique. Cette troisième édition inclut les modifications techniques suivantes: - Correction des essais suivants de l'Article 6 et 9; - Modification des exigences CEM à l'Article 8; - Nouvelle organisation de l'Article 11. La présente version bilingue (2012-05) correspond à la version anglaise monolingue publiée en 2007-07.

Programirljivi krmilniki - 2. del: Zahteve za opremo in preskusi (IEC 61131-2:2007)

General Information

Status
Published
Publication Date
06-Sep-2007
Technical Committee
Drafting Committee
Parallel Committee
Current Stage
6060 - Document made available
Start Date
07-Sep-2007
Completion Date
07-Sep-2007

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SLOVENSKI STANDARD
SIST EN 61131-2:2007
01-december-2007
1DGRPHãþD
SIST EN 61131-2:2004

Programirljivi krmilniki - 2. del: Zahteve za opremo in preskusi (IEC 61131-2:2007)

Programmable controllers - Part 2: Equipment requirements and tests
Speicherprogrammierbare Steuerungen - Teil 2: Betriebsmittelanforderungen und
Prüfungen
Automates programmables - Partie 2: Spécifications et essais des équipements
Ta slovenski standard je istoveten z: EN 61131-2:2007
ICS:
25.040.40 Merjenje in krmiljenje Industrial process
industrijskih postopkov measurement and control
35.240.50 Uporabniške rešitve IT v IT applications in industry
industriji
SIST EN 61131-2:2007 en,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
EUROPEAN STANDARD
EN 61131-2
NORME EUROPÉENNE
September 2007
EUROPÄISCHE NORM
ICS 35.240.50; 25.040.40 Supersedes EN 61131-2:2003
English version
Programmable controllers -
Part 2: Equipment requirements and tests
(IEC 61131-2:2007)
Automates programmables - Speicherprogrammierbare Steuerungen -
Partie 2: Spécifications Teil 2: Betriebsmittelanforderungen
et essais des équipements und Prüfungen
(CEI 61131-2:2007) (IEC 61131-2:2007)

This European Standard was approved by CENELEC on 2007-08-01. CENELEC members are bound to comply

with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard

the status of a national standard without any alteration.

Up-to-date lists and bibliographical references concerning such national standards may be obtained on

application to the Central Secretariat or to any CENELEC member.

This European Standard exists in three official versions (English, French, German). A version in any other

language made by translation under the responsibility of a CENELEC member into its own language and notified

to the Central Secretariat has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the

Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,

Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,

Sweden, Switzerland and the United Kingdom.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Central Secretariat: rue de Stassart 35, B - 1050 Brussels

© 2007 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.

Ref. No. EN 61131-2:2007 E
---------------------- Page: 2 ----------------------
EN 61131-2:2007 - 2 -
Foreword

The text of document 65B/623/FDIS, future edition 3 of IEC 61131-2, prepared by SC 65B, Devices &

process analysis, of IEC TC 65, Industrial-process measurement, control and automation, was submitted

to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 61131-2 on 2007-08-01.

This European Standard supersedes EN 61131-2:2003.

EN 61131-2:2007 includes the following significant technical changes with respect to EN 61131-2:2003.

a) DC power port requirements have been moved from Clause 8 to Clause 5.
b) Correction of the following tests of Clause 6:
• voltage range test;
• fast supply voltage variation test;
• slow supply voltage variation test;
• gradual shut-down/start-up test.
c) Change of EMC requirements in Clause 8:

• requirements for radiofrequency interference in Table 33 changed from 3 V to 10 V;

• for Zone B equipment;
• reference to EMC basic standards with the last version;
• reference to generic standards 61000-6-x;
• cable length aligned to generic standards.
d) Correction of the following tests in Clause 9:
• voltage dips and interruptions – power port type tests and verifications.
e) New organization of Clause 11:
• equipment types and protection;
• open PLC-system equipment;
• enclosed PLC-system equipment:
– Class I equipment,
– Class II equipment,
– Class III equipment;
• protection against electric shock;
• definition of secondary circuits which do not pose a risk of electric shock:
– Class 2 circuit,
– limited voltage/current circuit,
– limited voltage circuit,
– limited energy circuit ≤ 30 V a.c. or 42,2 V peak,
– limited impedance circuit;
• protection against the spread of fire within limited power circuits;
• protective earthing requirements for enclosed equipment;
• minor improvements in different subclauses;
• impulse test only for verification of clearances.
---------------------- Page: 3 ----------------------
- 3 - EN 61131-2:2007
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2008-05-01
– latest date by which the national standards conflicting
(dow) 2010-08-01
with the EN have to be withdrawn

This European Standard has been prepared under a mandate given to CENELEC by the European

Commission and the European Free Trade Association and covers essential requirements of

EC Directives EMC (89/336/EEC) and EMC2 (2004/108/EC). See Annex ZZ.
Annexes ZA and ZZ have been added by CENELEC.
__________
Endorsement notice

The text of the International Standard IEC 61131-2:2007 was approved by CENELEC as a European

Standard without any modification.

In the official version, for Bibliography, the following notes have to be added for the standards indicated:

IEC 60112 NOTE Harmonized as EN 60112:2003 (not modified).
IEC 60445 NOTE Harmonized as EN 60445:2007 (not modified).
IEC 61140 NOTE Harmonized as EN 61140:2002 (not modified).
IEC 62079 NOTE Harmonized as EN 62079:2001 (not modified).
__________
---------------------- Page: 4 ----------------------
EN 61131-2:2007 - 4 -
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

The following referenced documents are indispensable for the application 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.

NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD

applies.
Publication Year Title EN/HD Year
IEC 60060-1 1989 High-voltage test techniques -
+ corr. March 1990 Part 1: General definitions and test HD 588.1 S1 1991
corr. March 1992 requirements
IEC 60068-2-1 2007 Environmental testing - EN 60068-2-1 2007
Part 2-1: Tests - Test A: Cold
IEC 60068-2-2 1974 Environmental testing - EN 60068-2-2 1993
Part 2: Tests - Tests B: Dry heat
IEC 60068-2-6 1995 Environmental testing -
+ corr. March 1995 Part 2: Tests - Test Fc: Vibration EN 60068-2-6 1995
(sinusoidal)
IEC 60068-2-14 1984 Environmental testing - EN 60068-2-14 1999
Part 2: Tests - Test N: Change of temperature
IEC 60068-2-27 1987 Basic environmental testing procedures - EN 60068-2-27 1993
Part 2: Tests - Test Ea and guidance: Shock
IEC 60068-2-30 2005 Environmental testing - EN 60068-2-30 2005
Part 2-30: Tests - Test Db: Damp heat, cyclic
(12 h + 12 h cycle)

IEC 60068-2-31 1969 Basic environmental testing procedures - EN 60068-2-31 1993

Part 2: Tests - Test Ec: Drop and topple,
primarily for equipment-type specimens
IEC 60068-2-32 1975 Environmental testing - EN 60068-2-32 1993
Part 2: Tests -Test Ed: Free fall
IEC 60364-1 2005 Low-voltage electrical installations - prHD 60364-1 200X
(mod) Part 1: Fundamental principles, assessment
of general characteristics, definitions
IEC 60364-4-41 2005 Low-voltage electrical installations - HD 60364-4-41 2007
(mod) Part 4-41: Protection for safety - Protection + corr. July 2007
against electric shock
IEC 60417 Data- Graphical symbols for use on equipment - -
base
EN 60068-2-2 includes supplement A:1976 to IEC 60068-2-2.
EN 60068-2-14 includes A1:1986 to IEC 60068-2-14.
EN 60068-2-31 includes A1:1982 to IEC 60068-2-31.
EN 60068-2-32 includes A2:1990 to IEC 60068-2-32.
---------------------- Page: 5 ----------------------
- 5 - EN 61131-2:2007
Publication Year Title EN/HD Year
IEC 60529 1989 Degrees of protection provided by EN 60529 1991
enclosures (IP Code) + corr. May 1993
A1 1999 A1 2000
IEC 60664-1 1992 Insulation coordination for equipment within
+ A1 2000 low-voltage systems -
+ A2 2002 Part 1: Principles, requirements and tests EN 60664-1 2003
IEC 60664-3 2003 Insulation coordination for equipment within EN 60664-3 2003
low-voltage systems -
Part 3: Use of coating, potting or moulding for
protection against pollution
IEC 60695-2-11 2000 Fire hazard testing - EN 60695-2-11 2001
Part 2-11: Glowing/hot-wire based test
methods - Glow-wire flammability test method
for end-products
IEC 60695-11-10 1999 Fire hazard testing - EN 60695-11-10 1999
Part 11-10: Test flames - 50 W horizontal and
vertical flame test methods
IEC 60947-5-1 2003 Low-voltage switchgear and controlgear - EN 60947-5-1 2004
Part 5-1: Control circuit devices and + corr. July 2005
switching elements - Electromechanical
control circuit devices
IEC 60947-5-2 1997 Low-voltage switchgear and controlgear - EN 60947-5-2 1998
(mod) Part 5-2: Control circuit devices and switching
A1 1999 elements - Proximity switches A1 1999
A2 2003 A2 2004
IEC 60947-7-1 2002 Low-voltage switchgear and controlgear - EN 60947-7-1 2002
Part 7-1: Ancillary equipment - Terminal
blocks for copper conductors

IEC 60950-1 (mod) 2001 Information technology equipment - Safety - EN 60950-1 2001

Part 1: General requirements + corr. August 2007
+ A11 2004
IEC 61000-4-2 1995 Electromagnetic compatibility (EMC) - EN 61000-4-2 1995
Part 4-2: Testing and measurement
techniques - Electrostatic discharge immunity
test
IEC 61000-4-3 2006 Electromagnetic compatibility (EMC) - EN 61000-4-3 2006
Part 4-3: Testing and measurement
techniques - Radiated, radio-frequency,
electromagnetic field immunity test
IEC 61000-4-4 2004 Electromagnetic compatibility (EMC) - EN 61000-4-4 2004
Part 4-4: Testing and measurement
techniques - Electrical fast transient/burst
immunity test
IEC 61000-4-5 2005 Electromagnetic compatibility (EMC) - EN 61000-4-5 2006
Part 4-5: Testing and measurement
techniques - Surge immunity test
EN 60664-1 is superseded by EN 60664-1:2007, which is based on IEC 60664-1:2007.

EN 60950-1 is superseded by EN 60950-1:2006, which is based on IEC 60950-1:2005 (mod).

---------------------- Page: 6 ----------------------
EN 61131-2:2007 - 6 -
Publication Year Title EN/HD Year
IEC 61000-4-6 2003 Electromagnetic compatibility (EMC) - EN 61000-4-6 2007
Part 4-6: Testing and measurement + corr. August 2007
techniques - Immunity to conducted
disturbances, induced by radio-frequency
fields
IEC 61000-4-8 1993 Electromagnetic compatibility (EMC) - EN 61000-4-8 1993
Part 4-8: Testing and measurement
techniques - Power frequency magnetic field
immunity test
IEC 61000-4-11 2004 Electromagnetic compatibility (EMC) - EN 61000-4-11 2004
Part 4-11: Testing and measurement
techniques - Voltage dips, short interruptions
and voltage variations immunity tests
IEC 61000-4-18 2006 Electromagnetic compatibility (EMC) - EN 61000-4-18 2007
Part 4-18: Testing and measurement
techniques - Oscillatory wave immunity test
IEC 61000-4-29 2000 Electromagnetic compatibility (EMC) - EN 61000-4-29 2000
Part 4-29: Testing and measurement
techniques - Voltage dips, short interruptions
and voltage variations on d.c. input power
port immunity tests
IEC 61000-6-1 2005 Electromagnetic compatibility (EMC) - EN 61000-6-1 2007
Part 6-1: Generic standards - Immunity for
residential, commercial and light-industrial
environments
IEC 61000-6-2 2005 Electromagnetic compatibility (EMC) - EN 61000-6-2 2005
Part 6-2: Generic standards - Immunity for + corr. September 2005
industrial environments
IEC 61000-6-4 2006 Electromagnetic compatibility (EMC) - EN 61000-6-4 2007
Part 6-4: Generic standards - Emission
standard for industrial environments
IEC 61010-1 2001 Safety requirements for electrical equipment EN 61010-1 2001
for measurement, control, and laboratory + corr. June 2002
use -
Part 1: General requirements
IEC 61131-1 2003 Programmable controllers - EN 61131-1 2003
Part 1: General information
IEC 61131-3 2003 Programmable controllers - EN 61131-3 2003
Part 3: Programming languages
IEC/TR 61131-4 2004 Programmable controllers - - -
Part 4: User guidelines
CISPR 14-1 2005 Electromagnetic compatibility - EN 55014-1 2006
Requirements for household appliances,
electric tools and similar apparatus -
Part 1: Emission
EN 61000-4-6 includes A1:2004 + A2:2006 to IEC 61000-4-6.
---------------------- Page: 7 ----------------------
- 7 - EN 61131-2:2007
Publication Year Title EN/HD Year
CISPR 16-1-2 2003 Specification for radio disturbance and EN 55016-1-2 2004
immunity measuring apparatus and
methods -
Part 1-2: Radio disturbance and immunity
measuring apparatus - Ancillary equipment -
Conducted disturbances
CISPR 16-1-4 2003 Specification for radio disturbance and EN 55016-1-4 2004
A1 2004 immunity measuring apparatus and A1 2005
methods -
Part 1-4: Radio disturbance and immunity
measuring apparatus - Ancillary equipment -
Radiated disturbances
CISPR 16-2-1 2003 Specification for radio disturbance and EN 55016-2-1 2004
A1 2005 immunity measuring apparatus and A1 2005
methods -
Part 2-1: Methods of measurement of
disturbances and immunity - Conducted
disturbance measurements
CISPR 16-2-3 2006 Specification for radio disturbance and EN 55016-2-3 2006
immunity measuring apparatus and
methods -
Part 2-3: Methods of measurement of
disturbances and immunity - Radiated
disturbance measurements

EN 55016-1-4 is superseded by EN 55016-1-4:2007, which is based on CISPR 16-1-4:2007.

---------------------- Page: 8 ----------------------
EN 61131-2:2007 - 8 -
Annex ZZ
(informative)
Coverage of Essential Requirements of EC Directives

This European Standard has been prepared under a mandate given to CENELEC by the European

Commission and the European Free Trade Association and within its scope the standard covers all

relevant essential requirements as given in Article 4 of the EC Directive 89/336/EEC and Article 1 of

Annex I of the EC Directive 2004/108/EC.

Compliance with this standard provides one means of conformity with the specified essential

requirements of the Directives concerned.

WARNING: Other requirements and other EC Directives may be applicable to the products falling within

the scope of this standard.
---------------------- Page: 9 ----------------------
INTERNATIONAL IEC
STANDARD 61131-2
Third edition
2007-07
Programmable controllers –
Part 2:
Equipment requirements and tests
PRICE CODE
Commission Electrotechnique Internationale XF
International Electrotechnical Commission
МеждународнаяЭлектротехническаяКомиссия
For price, see current catalogue
---------------------- Page: 10 ----------------------
– 2 – 61131-2 © IEC:2007(E)
CONTENTS

FOREWORD.........................................................................................................................10

INTRODUCTION...................................................................................................................12

1 General ..........................................................................................................................13

1.1 Scope and object...................................................................................................13

1.2 Compliance with this standard...............................................................................14

1.3 Normative references ............................................................................................14

2 Type tests ......................................................................................................................17

2.1 Equipment to be tested (equipment under test/EUT)..............................................17

2.2 Special features for immunity and EMC tests.........................................................18

2.3 Withstand test conditions ......................................................................................19

2.4 Verification procedure ...........................................................................................19

2.5 Requirements for test programmes and proper functioning verification

procedures (PFVPs) to be provided by the manufacturer .......................................19

2.6 General conditions for tests...................................................................................20

3 Terms and definitions .....................................................................................................20

4 Normal service conditions and requirements...................................................................28

4.1 Climatic conditions and requirements ....................................................................28

4.1.1 Operating ambient air temperature ............................................................28

4.1.2 Relative humidity.......................................................................................28

4.1.3 Altitude......................................................................................................28

4.1.4 Pollution degree ........................................................................................29

4.2 Mechanical service conditions and requirements ...................................................29

4.2.1 Vibrations ..................................................................................................29

4.2.2 Shock ........................................................................................................29

4.2.3 Free falls (portable and hand-held equipment)...........................................30

4.3 Transport and storage conditions and requirements ..............................................30

4.3.1 Temperature..............................................................................................30

4.3.2 Relative humidity.......................................................................................30

4.3.3 Altitude......................................................................................................30

4.3.4 Free falls (PLC units in manufacturer's original packaging)........................31

4.3.5 Other conditions ........................................................................................31

4.4 Electrical service conditions and requirements ......................................................31

4.4.1 AC and d.c. equipment power supply.........................................................31

4.4.2 Overvoltage category, control of transient overvoltages.............................31

4.4.3 Non-periodic overvoltages .........................................................................31

4.5 Special conditions and requirements .....................................................................31

5 Functional requirements .................................................................................................31

5.1 Functional power supply and memory back-up requirements .................................33

5.1.1 AC and d.c. power supply ..........................................................................33

5.1.2 Memory back-up........................................................................................34

5.2 Digital I/Os ............................................................................................................34

5.2.1 Digital inputs (current sinking) ...................................................................35

5.2.2 Digital outputs for alternating currents (current sourcing)...........................37

5.2.3 Digital outputs for direct current (current sourcing) ....................................40

---------------------- Page: 11 ----------------------
61131-2 © IEC:2007(E) – 3 –

5.3 Analogue I/Os .......................................................................................................41

5.3.1 Analogue inputs.........................................................................................41

5.3.2 Analogue outputs.......................................................................................41

5.4 Communication interface requirements..................................................................42

5.5 Main processing unit(s) and memory(ies) of the PLC-system requirements ...........42

5.6 Remote input/output stations (RIOSs) requirements ..............................................42

5.7 Peripherals (PADTs, TEs, HMIs) requirements ......................................................42

5.8 PLC-system self-tests and diagnostics requirements .............................................43

5.9 Functional earthing................................................................................................43

5.10 Mounting requirements ..........................................................................................43

5.11 General marking requirements ..............................................................................44

5.11.1 Functional identifications ...........................................................................44

5.11.2 Module location and module identifications................................................44

5.11.3 Functional earth terminals markings ..........................................................44

5.12 Requirements for normal service and functional type tests and verifications ..........44

5.13 Requirements for information on normal service and function ................................44

6 Normal service and functional type tests and verifications ..............................................44

6.1 Climatic tests ........................................................................................................44

6.2 Dry-heat and cold withstand tests..........................................................................45

6.2.1 Variation of temperature ............................................................................46

6.2.2 Cyclic damp heat withstand test ................................................................47

6.3 Mechanical tests ...................................................................................................48

6.3.1 Vibration (type test associated with normal service conditions)..................48

6.3.2 Shock (type test associated with normal service conditions) ......................48

6.3.3 Free fall (type test associated with normal service conditions) ...................49

6.3.4 Free fall (type test associated with transport and storage conditions) ........49

6.3.5 Plugging/unplugging of removable units.....................................................49

6.4 Verification of special functional requirements for power ports and memory

back-up – Special immunity limits for power ports .................................................49

6.4.1 Verification of functional equipment power input port (a.c. or d.c.) .............50

6.4.2 External energy supply variation tests (immunity tests)..............................51

6.4.3 Improper equipment power supply connection tests...................................54

6.4.4 Verification of memory back-up requirements ............................................55

6.5 Verification of input/output requirements ...............................................................55

6.5.1 General .....................................................................................................55

6.5.2 Verification of digital inputs........................................................................56

6.5.3 Verification of digital outputs .....................................................................56

6.5.4 Verification of analogue I/Os......................................................................57

6.6 Verification of communication interface requirements ............................................58

6.7 Verification of MPU requirements ..........................................................................58

6.8 Verification of remote I/O stations .........................................................................59

6.8.1 Response time test....................................................................................59

6.8.2 Loss of communication test .......................................................................59

6.8.3 Verification of other requirements ..............................................................59

6.9 Verification of peripheral (PADTs, TEs, HMIs) requirements..................................59

6.10 Verification of PLC-system self-tests and diagnostics............................................59

6.11 Verification of markings and manufacturer's documentation...................................59

7 General information to be provided by the manufacturer.................................................60

7.1 Information on type and content of documentation.................................................60

---------------------- Page: 12 ----------------------
– 4 – 61131-2 © IEC:2007(E)

7.1.1 Information on catalogues and datasheets.................................................60

7.1.2 Information on user's manuals ...................................................................60

7.1.3 Information on technical documentation.....................................................60

7.2 Information on compliance with this standard ........................................................60

7.3 Information on reliability ........................................................................................61

7.4 Information on other conditions .............................................................................61

7.5 Information on shipping and storage......................................................................61

7.6 Information on a.c. and d.c. power supply .............................................................61

7.7 Information on digital inputs (current sinking) ........................................................61

7.8 Information on digital outputs for alternating currents (current sourcing)................62

7.9 Information on digital outputs for direct current (current sourcing) .........................63

7.10 Information on analogue inputs .............................................................................63

7.10.1 Information on analogue input static characteristics...................................63

7.10.2 Information on analogue input dynamic characteristics ..............................63

7.10.3 Information on analogue input general characteristics ...............................64

7.10.4 Information on analogue input miscellaneous characteristics .....................64

7.11 Information on analogue outputs ...........................................................................64

7.11.1 Information on analogue output static characteristics.................................64

7.11.2 Information on analogue output dynamic characteristics ............................64

7.11.3 Information on analogue output general characteristics .............................65

7.11.4 Information on analogue output miscellaneous characteristics ...................65

7.12 Information on communication interfaces...............................................................65

7.13 Information on main processing unit(s) and memory(ies) of the PLC-system .........65

7.14 Information on remote input/output stations (RIOSs) .............................................66

7.15 Information on peripherals (PADTs, TEs, HMIs) ....................................................67

7.16 Information on self-tests and diagnostics...............................................................67

8 Electromagnetic compatibility (EMC) requirements .........................................................67

8.1 General .................................................................................................................67

8.2 Emission requirements ..........................................................................................68

8.2.1 General requirements for emission ............................................................68

8.2.2 Emission limits in the low-frequency range ................................................68

8.2.3 Emission limits in the high-frequency range ...............................................68

8.3 EMC immunity requirements..................................................................................68

8.3.1 General .....................................................................................................69

8.3.2 Performance criteria ........................
...

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