prEN IEC 55012:2024
(Main)Vehicles, boats and internal combustion engines - Radio disturbance characteristics - Limits and methods of measurement for the protection of off-board receivers
Vehicles, boats and internal combustion engines - Radio disturbance characteristics - Limits and methods of measurement for the protection of off-board receivers
Fahrzeuge, Boote und von Verbrennungsmotoren angetriebene Geräte - Funkstöreigenschaften - Grenzwerte und Messverfahren zum Schutz von außerhalb befindlichen Empfängern
Véhicules, bateaux et moteurs à combustion interne - Caractéristiques de perturbation radioélectrique - Limites et méthodes de mesure pour la protection des récepteurs extérieurs
Vozila, plovila in naprave, ki jih poganjajo motorji z notranjim zgorevanjem - Karakteristike občutljivosti za radijske motnje - Mejne vrednosti in merilne metode za zaščito zunanjih sprejemnikov
General Information
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Standards Content (Sample)
SLOVENSKI STANDARD
01-junij-2024
Vozila, plovila in naprave, ki jih poganjajo motorji z notranjim zgorevanjem -
Karakteristike občutljivosti za radijske motnje - Mejne vrednosti in merilne metode
za zaščito zunanjih sprejemnikov
Vehicles, boats and internal combustion engines - Radio disturbance characteristics -
Limits and methods of measurement for the protection of off-board receivers
Fahrzeuge, Boote und von Verbrennungsmotoren angetriebene Geräte -
Funkstöreigenschaften - Grenzwerte und Messverfahren zum Schutz von außerhalb
befindlichen Empfängern
Véhicules, bateaux et moteurs à combustion interne - Caractéristiques de perturbation
radioélectrique - Limites et méthodes de mesure pour la protection des récepteurs
extérieurs
Ta slovenski standard je istoveten z: prEN IEC 55012:2024
ICS:
27.020 Motorji z notranjim Internal combustion engines
zgorevanjem
33.100.10 Emisija Emission
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
CIS/D/498/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
CISPR 12 ED7
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2024-04-12 2024-07-05
SUPERSEDES DOCUMENTS:
CIS/D/497/RR
IEC CIS/D : ELECTROMAGNETIC DISTURBANCES RELATED TO ELECTRIC/ELECTRONIC EQUIPMENT ON VEHICLES AND
INTERNAL COMBUSTION ENGINE POWERED DEVICES
SECRETARIAT: SECRETARY:
Germany Mr Holger Hirsch
OF INTEREST TO THE FOLLOWING COMMITTEES: PROPOSED HORIZONTAL STANDARD:
TC 69,TC 125,CIS/H
Other TC/SCs are requested to indicate their interest, if
any, in this CDV to the secretary.
FUNCTIONS CONCERNED:
EMC ENVIRONMENT QUALITY ASSURANCE SAFETY
SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING
Attention IEC-CENELEC parallel voting
The attention of IEC National Committees, members of
CENELEC, is drawn to the fact that this Committee Draft
for Vote (CDV) is submitted for parallel voting.
The CENELEC members are invited to vote through the
CENELEC online voting system.
This document is still under study and subject to change. It should not be used for reference purposes.
Recipients of this document are invited to submit, with their comments, notification of any relevant patent rights of
which they are aware and to provide supporting documentation.
Recipients of this document are invited to submit, with their comments, notification of any relevant “In Some
Countries” clauses to be included should this proposal proceed. Recipients are reminded that the CDV stage is
the final stage for submitting ISC clauses. (SEE AC/22/2007 OR NEW GUIDANCE DOC).
TITLE:
Vehicles, boats and internal combustion engines - Radio disturbance characteristics - Limits
and methods of measurement for the protection of off-board receivers
PROPOSED STABILITY DATE: 2030
NOTE FROM TC/SC OFFICERS:
electronic file, to make a copy and to print out the content for the sole purpose of preparing National Committee positions.
You may not copy or "mirror" the file or printed version of the document, or any part of it, for any other purpose without
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IEC CDV CISPR 12 Ed7 © IEC:2024 – 2 – CIS/D/498/CDV
1 CONTENTS
2 FOREWORD . 6
3 INTRODUCTION . 8
4 1 Scope . 9
5 2 Normative references . 10
6 3 Terms, definitions and abbreviations . 11
7 3.1 Terms and definitions. 11
8 3.2 Abbreviations . 17
9 4 Limits of radiated disturbance . 17
10 4.1 General . 17
11 4.2 Group definitions . 17
12 4.3 Determination of conformance of the vehicle/boat/device with the limits . 18
13 4.4 Peak and quasi-peak detector limits . 19
14 4.5 Average detector limit . 21
15 5 Methods of measurement . 22
16 5.1 Measuring instruments . 22
17 5.1.1 Measuring receiver . 22
18 5.1.2 Antenna types . 24
19 5.2 Measurement instrumentation uncertainty . 24
20 5.3 Measuring site requirements . 25
21 5.3.1 General . 25
22 5.3.2 Outdoor test site (OTS) requirements . 25
23 5.3.3 Alternative test site requirements . 28
24 5.4 Test setup for measurement . 28
25 5.4.1 Antenna requirements . 28
26 5.4.2 Test setup for vehicle in charging mode . 33
27 5.5 Test object conditions . 42
28 5.5.1 General . 42
29 5.5.2 Vehicles and boats . 43
30 5.5.3 Devices . 45
31 5.6 Data collection . 45
32 6 Methods of checking for compliance with CISPR requirements . 45
33 6.1 General . 45
34 6.2 Application of limit curves . 45
35 6.2.1 Measurements under dry conditions . 45
36 6.2.2 Measurements under wet conditions . 46
37 Annex A (normative) Procedure to determine an alternative emission limit for
38 measurements . 47
39 Annex B (informative) Measurement of the insertion loss of ignition noise suppressors. 48
40 B.1 Overview . 48
41 B.1.1 General . 48
42 B.1.2 CISPR box method (50/75 Ω laboratory method) . 48
43 B.1.3 Field comparison method . 48
44 B.2 Comparison of test methods . 48
45 B.2.1 CISPR box method . 48
46 B.2.2 Field comparison method . 48
IEC CDV CISPR 12 Ed7 © IEC:2024 – 3 – CIS/D/498/CDV
47 B.3 CISPR box method (50/75 Ω laboratory method of measurement of insertion
48 loss of ignition noise suppressors) . 49
49 B.3.1 General conditions and limitations of measurement . 49
50 B.3.2 Test procedure . 49
51 B.3.3 Test box construction . 49
52 B.3.4 Results . 49
53 Annex C (informative) Methods of measurement to determine the attenuation
54 characteristics of ignition noise suppressors for high voltage ignition systems . 53
55 C.1 General . 53
56 C.2 Recommended requirements for ignition noise suppressors . 53
57 C.3 Test set-up . 53
58 C.4 Test procedure. 54
59 C.5 Measuring spark-plugs without suppression elements . 58
60 C.6 Test setup examples . 58
61 C.6.1 General . 58
62 C.6.2 Connection of a right-angle spark-plug ignition noise suppressor . 58
63 C.6.3 Connection of a distributor rotor . 59
64 C.6.4 Connection of distributor caps with integrated ignition noise
65 suppressors . 60
66 C.6.5 Connection of resistive ignition cables . 60
67 Annex D (informative) Applicability of CISPR 12 . 62
68 D.1 Flow chart . 62
69 D.2 Example products that are in the scope of CISPR 12 . 63
70 D.2.1 General . 63
71 D.2.2 Vehicles . 63
72 D.2.3 Boats and boat ICE(s)/EM(s) . 64
73 D.2.4 Devices . 64
74 D.3 Grouping . 64
75 Annex E (normative) Direct current charging artificial networks (DC-charging-AN),
76 artificial mains networks (AMN) and asymmetric artificial networks (AAN). 67
77 E.1 General . 67
78 E.2 Direct current charging artificial networks (DC-charging-AN) . 67
79 E.3 Artificial mains networks (AMN) . 69
80 E.4 Asymmetric artificial network (AAN) . 69
81 E.4.1 General . 69
82 E.4.2 Signal/control port with symmetric lines . 70
83 E.4.3 Signal/control port with PLC (technology) on control pilot line . 70
84 E.4.4 Signal/control port with control pilot line . 71
85 Annex F (informative) Measurement instrumentation uncertainty . 73
86 F.1 General . 73
87 F.2 Uncertainty sources . 73
88 F.3 Measurand . 75
89 F.4 Input quantities to be considered . 75
90 Annex G (informative) Uncertainty budgets for radiated disturbance measurements of
91 electric field strength . 78
92 G.1 General . 78
93 G.2 Typical CISPR 12 uncertainty budgets . 78
94 G.3 Receiver’s frequency step . 82
95 Annex H (informative) Items under consideration . 83
IEC CDV CISPR 12 Ed7 © IEC
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