CLC/TS 50238-3:2019
(Main)Railway applications - Compatibility between rolling stock and train detection systems - Part 3: Compatibility with axle counters
Railway applications - Compatibility between rolling stock and train detection systems - Part 3: Compatibility with axle counters
For the purpose of demonstrating compatibility between rolling stock and axle counter detectors, this document defines the interference limits and evaluation methods to verify rolling stock emissions. Wheel sensors and crossing loops are not covered by this document. This document gives recommended individual limits to be applied to establish compatibility between RST and all selected types of axle counter detectors, including any covered by national standards. The list of selected types of axle counters and their limits for compatibility are drawn on the basis of established performance criteria. It is expected that the trend for newly signalled interoperable lines will be fitted with types that meet the compatibility limits published in the TSI CCS Interfaces Document (ERA/ERTMS/033281). To ensure adequate operational availability, it is essential that the rolling stock complies with the defined limits; otherwise, the established availability of the valid output function of axle counter detectors may be compromised. NOTE The influences from metal parts or inductively coupled resonant circuits on the vehicle, eddy current brakes or magnetic brakes, are not covered by this document but are considered on the basis of national technical specifications. For wheel sensors and wheel detectors in other applications than axle counters but utilizing the same rail sensors and detectors, transient and continuous interference can be considered as equivalent to axle counter detectors or axle counter sensors.
Bahnanwendungen - Kompatibilität zwischen Fahrzeugen und Gleisfreimeldesystemen - Teil 3: Kompatibilität mit Achszähler
Applications ferroviaires - Compatibilité entre le matériel roulant et les systèmes de détection des trains - Partie 3: Compatibilité avec les compteurs d'essieux
Železniške naprave - Združljivost voznih sredstev in sistemov za detekcijo vlaka - 3. del: Združljivost s števci osi
General Information
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Standards Content (Sample)
SLOVENSKI STANDARD
01-september-2020
Nadomešča:
SIST-TS CLC/TS 50238-3:2014
Železniške naprave - Združljivost voznih sredstev in sistemov za detekcijo vlaka -
3. del: Združljivost s števci osi
Railway applications - Compatibility between rolling stock and train detection systems -
Part 3: Compatibility with axle counters
Bahnanwendungen - Kompatibilität zwischen Fahrzeugen und Gleisfreimeldesystemen -
Teil 3: Kompatibilität mit Achszähler
Applications ferroviaires - Compatibilité entre le matériel roulant et les systèmes de
détection des trains - Partie 3: Compatibilité avec les compteurs d'essieux
Ta slovenski standard je istoveten z: CLC/TS 50238-3:2019
ICS:
03.220.30 Železniški transport Transport by rail
45.060.01 Železniška vozila na splošno Railway rolling stock in
general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
TECHNICAL SPECIFICATION CLC/TS 50238-3
SPÉCIFICATION TECHNIQUE
TECHNISCHE SPEZIFIKATION
September 2019
ICS 29.280; 45.060.10 Supersedes CLC/TS 50238-3:2013
English Version
Railway applications - Compatibility between rolling stock and
train detection systems - Part 3: Compatibility with axle counters
Applications ferroviaires - Compatibilité entre le matériel Bahnanwendungen - Kompatibilität zwischen Fahrzeugen
roulant et les systèmes de détection des trains - Partie 3: und Gleisfreimeldesystemen - Teil 3: Kompatibilität mit
Compatibilité avec les compteurs d'essieux Achszähler
This Technical Specification was approved by CENELEC on 2019-08-05.
CENELEC members are required to announce the existence of this TS in the same way as for an EN and to make the TS available promptly
at national level in an appropriate form. It is permissible to keep conflicting national standards in force.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2019 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. CLC/TS 50238-3:2019 E
Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms, definitions and abbreviations. 6
3.1 Terms and definitions . 6
3.2 Abbreviations . 7
4 General aspects . 7
4.1 Interference mechanism . 7
4.1.1 General . 7
4.1.2 Axle counter detector. 7
4.1.3 Susceptibility of the detector on the rail . 8
4.1.4 Sources of interference fields . 8
4.2 Availability margin . 8
4.3 Specific axle counter parameters . 9
5 Compatibility requirements . 9
5.1 RST emission limits based on the frequency management of the TSI CCS Interfaces
Document (ERA/ERTMS/033281) . 9
5.2 RST Emission limits for RST compatibility tests for individual axle counters on non-
interoperable lines . 9
5.2.1 General . 9
5.2.2 Short duration interference limits . 9
5.2.3 Mitigating arguments when limits are exceeded . 10
Annex A (normative) Rolling stock emission limits . 11
A.1 Emissions limits and evaluation parameters (narrow band) . 11
A.2 Weighting of short duration interference. 12
Bibliography . 14
Figure
Figure 1 — Axle counter detector, schematic diagram . 7
Tables
Table A.1 — Emission limits and evaluation parameters (narrow band) . 11
Table A.2 — Weighting of short duration interference (T according to Table A.1) . 12
int
European foreword
This document (CLC/TS 50238-3:2019) has been prepared by CLC/SC 9XA “Communication, signalling and
processing systems”, of Technical Committee CLC/TC 9X “Electrical and electronic applications for railways”.
The following date is fixed:
• latest date by which the existence of this document (doa) 2020-02-05
has to be announced at national level
This document supersedes CLC/TS 50238-3:2013.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
CLC/TS 50238-3:2013:
— amended and new limits in Annex A;
— amended definitions.
This document is Part 3 in the following series:
— EN 50238-1, Railway applications – Compatibility between rolling stock and train detection systems –
Part 1: General;
— CLC/TS 50238-2, Railway applications – Compatibility between rolling stock and train detection
systems – Part 2: Compatibility with track circuits;
— CLC/TS 50238-3, Railway applications – Compatibility between rolling stock and train detection
systems – Part 3: Compatibility with axle counters.
Introduction
This document defines the interference limits and evaluation criteria for electromagnetic compatibility between
rolling stock and axle counter detectors.
The limits have been defined on the basis of a test specification described in EN 50617-2 (laboratory tests).
This document defines:
— a set of interference limits for magnetic fields resulting from both rail current and equipment on board the
vehicles;
— evaluation criteria to verify rolling stock emissions and demonstrate compatibility with the interference
limits for magnetic fields;
— traceability of requirements (type of axle counter detectors considered for the limits).
In the relevant frequency range of the axle counter detectors, the magnetic field is dominant and only this type
of field is considered. Experience has shown that the effects of electric fields are insignificant and therefore
not considered.
1 Scope
For the purpose of demonstrating compatibility between rolling stock and axle counter detectors, this
document defines the interference limits and evaluation methods to verify rolling stock emissions. Wheel
sensors and crossing loops are not covered by this document.
This document gives recommended individual limits to be applied to establish compatibility between RST and
all selected types of axle counter detectors, including any covered by national standards.
The list of selected types of axle counters and their limits for compatibility are drawn on the basis of
established performance criteria. It is expected that the trend for newly signalled interoperable lines will be
fitted with types that meet the compatibility limits published in the TSI CCS Interfaces Document
(ERA/ERTMS/033281).
To ensure adequate operational availability, it is essential that the rolling stock complies with the defined
limits; otherwise, the established availability of the valid output function of axle counter detectors may be
compromised.
NOTE The influences from metal parts or inductively coupled resonant circuits on the vehicle, eddy current brakes or
magnetic brakes, are not covered by this document but are considered on the basis of national technical specifications.
For wheel sensors and wheel detectors in other applications than axle counters but utilizing the same rail
sensors and detectors, transient and continuous interference can be considered as equivalent to axle counter
detectors or axle counter sensors.
2 Normative references
The following documents are referenced 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.
EN 50238-1:2003, Railway applications – Compatibility between rolling stock and train detection systems –
Part 1: General
EN 50592, Railway applications – Testing of rolling stock for electromagnetic compatibility with axle counters
EN 50617-2:2015, Railway Applications – Technical parameters of train detection systems for the
interoperability of the trans-European railway system – Part 2: Axle counters
ERA/ERTMS/033281, Interfaces between control-command and signalling trackside and other subsystems
This standard is impacted by the corrigendum EN 50238:2003/AC:2014.
This standard is impacted by the corrigendum EN 50617-2:2015/AC:2016.
3 Terms, definitions and abbreviations
3.1 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 50238-1:2003 and the following
apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
3.1.1
axle counter detector
detector consisting of the axle counter sensor and of the detection circuit, which includes in general filters and
rectifiers
[SOURCE: EN 50617-2:2015, 3.1.2]
3.1.2
axle counter sensor
sensor head mounted in the track
[SOURCE: EN 50617-2:2015, 3.1.3]
3.1.3
axle counter system
whole system including the axle counter detector with its sensor, and the evaluation unit
[SOURCE: EN 50617-2:2015, 3.1.4]
3.1.4
integration time
window size over which the root mean square (RMS) of the output of the band-pass filter is calculated
Note 1 to entry: Integration time is one parameter for evaluation of the measurement results of compatibility tests of
vehicles (TSI CCS Interfaces Document (ERA/ERTMS/033281)).
[SOURCE: EN 50617-2:2015, 3.1.12, modified – The beginning of the sentence “parameter for evaluation
defined as the” has been removed and the Note 1 to entry has been added.]
3.1.5
in-band
working frequency area of an axle counter detector
Note 1 to entry: In relation with the frequency management of TSI CCS Interfaces Document (ERA/ERTMS/033281), it
defines the area of the single bands (band 1, band 2, band 3).
[SOURCE: EN 50617-2:2015, 3.1.9, modified – The Note 1 to entry has been added.]
3.2 Abbreviations
For the purposes of this document, the terms and definitions and abbreviations given in EN 50238-1:2003 and
the following apply.
CCS Control-Command and Signalling
FrM Frequency Management
RMS root mean square
RST Rolling Stock
T Integration Time
int
TSI Technical Specification for Interoperability
4 General aspects
4.1 Interference mechanism
4.1.1 General
Axle counter detectors can be influenced in different ways, e.g. by magnetic fields or metallic parts in the
vicinity of wheels and bogies and thus close to the sensors. The influence of magnetic fields on the immunity
of the individual axle counters is dominant. In additio
...
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