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BSI 23/30469102 DC:2023 Edition

BSI 23/30469102 DC:2023 Edition

$13.70

BS EN 50617-2. Railway applications. Technical parameters of train detection systems for the interoperability of the trans-European railway system – Part 2. Axle counters

Published By Publication Date Number of Pages
BSI 2023 65
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PDF Catalog

PDF Pages PDF Title
9 1 Scope
2 Normative references
10 3 Terms, definitions and abbreviations
3.1 Terms and definitions
11 3.2 Abbreviations
12 4 Description of train detection system
13 5 Safety relevance per parameter
15 6 Axle counter system parameters
6.1 RAMS
6.1.1 General
6.1.2 Reliability
6.1.3 Availability
6.1.4 Rate of miscounts
6.1.5 Maintainability
16 6.1.6 Safety
6.1.6.1 General
6.1.6.2 Maximum time between trains
17 6.2 Immunity against magnetic fields – in-band and out-of-band
6.2.1 General
18 6.2.2 Derivation of immunity requirements
6.2.3 Immunity levels for axle counters / Compatibility margins
6.2.4 Frequency range of an ACD
19 6.3 Immunity to traction and short circuit current in the rail
6.4 Immunity to harmonics of traction current in the rail
6.5 Sensor position integrity control (functional parameter)
20 6.6 Integration time
6.6.1 General
6.6.2 Product specific integration time
6.6.3 Derivation of the integration time – Example
22 6.7 Signalling power supply quality with respect to availability
6.8 Requirements on the connection cables
23 7 Requirements for axle counter systems based on train parameters
7.1 General
7.2 Vehicle, wheel and speed dependent parameters
7.2.1 General
24 7.2.2 Wheel parameters
7.2.2.1 General
7.2.2.2 Wheel material
7.2.2.3 Width of the rim
7.2.2.4 Thickness of the flange
7.2.2.5 Height of the flange
7.2.2.6 Wheel diameter
25 7.2.3 Vehicle and speed depending parameters
7.2.3.1 General
7.2.3.2 Speed of vehicle
7.2.3.3 Number of axles
7.2.3.4 Overall length
7.2.3.5 Axle-to-axle distance
26 7.3 Material properties of vehicle parts in the detection area (metal free space)
7.4 Sinusoidal sway of train
27 7.5 Magnetic track brakes and eddy current brakes
8 Track based parameters
8.1 Material of sleepers
28 8.2 Rail fittings/mounting area
8.3 Slab track
8.4 Other rails installations
29 9 Environmental and other parameters
9.1 General
9.2 Pressure
9.3 Movement of surrounding air
9.4 Ambient temperatures
9.4.1 General
30 9.4.2 Ambient temperature for axle counter evaluator equipment
9.4.3 Ambient temperature for ACD (without axle counter sensor)
9.4.4 Ambient temperature for axle counter sensor
9.5 Humidity
31 9.6 Precipitation
9.7 Protection Level (IP)
9.7.1 General
9.7.2 For components on the rail
9.7.3 Components on the track / near the track
9.8 Solar radiation
32 9.9 Overvoltage protection (incl. indirect lightning effects)
9.10 ContaminationPollution
9.10.1 General
9.10.2 In the track, nearby the track
9.10.3 Indoor
9.11 Fire protection
9.12 Vibrations / shock
33 9.13 EMC
9.13.1 General
9.13.2 Requirement and validation for EMC
9.14 Definition of Influence from other components
34 Annex A (informative) Design guide for measurement antennas
A.1 Measurement antennas characteristics
A.2 Termination impedance
36 Annex B (normative) Frequency management (reproduced from ERA/ERTMS/033281)
38 Annex C (normative) Test equipment, test methodologies and reports to be performed
C.1 Test equipment
C.1.1 Antenna for generating magnetic fields (FGA)
39 C.1.2 Reference antenna
C.1.3 Test signal generator
C.2 Test conditions
C.2.1 Equipment under test (EUT)
C.2.2 Susceptibility criteria
40 C.3 Accuracy of magnetic field measurement
C.4 Test methodology to determine immunity (susceptibility border of ACD) to homogenous fields – in-band
C.4.1 General
C.4.2 Test set up for X-Z direction
41 C.4.3 Test set up for Y-Z direction
42 C.4.4 Test procedure to determine immunity to homogenous steady-state fields
43 C.4.5 Transient immunity test / Immunity to intermittent interference
C.4.5.1 General
C.4.5.2 Immunity to a single transient
44 C.4.5.3 Immunity to multiple transients
45 C.4.6 Immunity within the filter bandwidth of the EUT
C.5 Test methodology to determine immunity to inhomogeneous fields – in band
C.5.1 General
46 C.5.2 Test set-up for the movement in X-direction
47 C.5.3 Test set-up for the movement in Y-direction
48 C.5.4 Test procedure
49 C.6 Test methodology for establishing immunity to fields produced by in-band interference currents in the rail
C.6.1 General
50 C.6.2 Test set-up
51 C.6.3 Test procedure
C.7 Test methodology for out of-band measurements
52 C.8 Immunity to ETCS telepowering fields
C.8.1 General
C.8.2 Limits and requirements
53 C.8.3 Test methodology to check immunity to ETCS telepowering fields
C.8.3.1 General
54 C.8.3.2 Set up for testing Zone A
55 C.8.3.3 Set up for testing Zone B
56 C.8.3.4 Set up for testing Zone C
C.9 Test report
58 C.10 Test results according to ERA/ERTMS/033281
C.10.1 General
C.10.2 In-band
C.10.3 Out-of-band (10 kHz to 1,3 MHz)
59 Annex D (informative)Intermodulation effects
D.1 General
60 D.2 Intermodulation impact on immunity limits (hypothesis)
62 Annex ZZ (informative)Relationship between this European Standard and the Essential Requirements of EU Directive 2016/797 aimed to be covered

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BSI 23/30469102 DC
$13.70