EN 16704-2-1-2016 en Railway applications - Track - Safety protection on the track during work - Part 2-1 Common solutions and technologies - Technical requirements for Track Warni.pdf

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1、BS EN 16704-2-1:2016Railway applications Track Safety protection on the track during workPart 2-1: Common solutions andtechnologies Technical requirements for T r a c k W a r n i n g S y s t e m s ( T W S )BS EN 16704-2-1:2016 BRITISH STANDARDNational forewordThis British Standard is the UK implemen

2、tation of EN 16704-2-1:2016.The UK participation in its preparation was entrusted to Technical Committee RAE/2, Railway Applications - Track.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessar

3、y provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2016 .Published by BSI Standards Limited 2016ISBN 978 0 580 85885 7 ICS 93.100 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was p

4、ublished under the authority of the Standards Policy and Strategy Committee on 30 November 2016.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS EN 16704-2-1:2016EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 16704-2-1 November 2016 ICS 93.100 English Version Railwa

5、y applications - Track - Safety protection on the track during work - Part 2-1: Common solutions and technologies - Technical requirements for Track Warning Systems (TWS) Applications ferroviaires - Voie - Protection et scurit durant des travaux sur la voie - Partie 2-1: Solutions communes et techno

6、logie - Exigences relatives aux dispositifs dannonce des circulations (TWS) Bahnanwendungen - Oberbau - Sicherungsmanahmen whrend Gleisbauarbeiten - Teil 2-1: Allgemeine Lsungen und Technologien - Technische Anforderungen an Warnsysteme an Gleisen (TWS) This European Standard was approved by CEN on

7、6 August 2016. CEN 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 b

8、e obtained on application to the CEN-CENELEC Management Centre or to any CEN 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 CEN member into its own language and notified to

9、the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, I

10、reland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey andUnited Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management C

11、entre: Avenue Marnix 17, B-1000 Brussels 2016 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 16704-2-1:2016 EBS EN 16704-2-1:2016EN 16704-2-1:2016 (E) 2 Contents Page European foreword . 4 Introduction 5 1 Scope 6 2 Normative refe

12、rences 6 3 Terms and definitions . 7 4 Functional requirements. 11 4.1 Types of TWS 11 4.2 General functional requirements . 11 4.2.1 System definition . 11 4.3 LOWS . 13 4.3.1 Lookout Operated Warning System (LOWS) 13 4.3.2 Lookout Operated Warning System with Influence Function (LOWS-I) 14 4.4 ATW

13、S. 15 4.4.1 Automatic Track Warning System ATWS 15 4.4.2 Automatic Track Warning System with Influence Function (ATWS-I) . 16 4.5 SCWS . 16 4.5.1 Signal Controlled Warning System (SCWS) . 16 4.5.2 Signal Controlled Warning System with Influence Function (SCWS-I) . 17 5 Non-functional requirements 17

14、 5.1 Communication . 17 5.2 Reliability 17 5.3 Availability . 17 5.4 Maintainability 17 5.5 Functional Safety 17 5.6 Service Life 17 5.7 Safety for the user 18 5.8 Environment 18 5.8.1 General . 18 5.8.2 Protection against dust and water (IP-Codes) . 18 5.8.3 Pollution 18 5.8.4 Compatibility with El

15、ectromagnetic Current (EMC compatibility) 18 5.8.5 Power Supply . 18 5.8.6 External connectors and cables 18 5.8.7 Altitude 18 5.8.8 Pulse Pressure . 19 5.8.9 Temperature 19 5.8.10 Humidity 19 5.8.11 Wind 19 5.8.12 Snow and hail . 19 5.8.13 Ice . 19 5.8.14 Solar radiation 19 5.8.15 Lightning protect

16、ion . 19 5.8.16 Fire protection 19 5.9 Vibration and Shock 20 5.9.1 General . 20 BS EN 16704-2-1:2016EN 16704-2-1:2016 (E) 3 5.9.2 Vibration 20 5.9.3 Shock . 20 5.10 Dimension, mass, handling . 20 5.11 Control elements of the TWS 20 5.12 Indication on the TWS . 21 5.13 Technical processing time . 21

17、 5.14 TWS power supply and power consumption 22 5.15 Warning in case of a safety critical failure 22 5.16 Technical detection 22 5.17 Speed Range for detection components . 22 5.18 TWS-Signal 22 5.18.1 Acoustic TWS-Signal 22 5.18.2 Optical TWS-Signals . 23 5.19 Information by Human-Machine-Interface

18、 (HMI) 23 5.19.1 During operation 23 5.19.2 Priority of information on the HMI 23 5.19.3 Developing HMI . 23 5.20 Data logging 23 5.21 User manual 24 5.22 Marking 24 5.23 Colour 25 Annex A (normative) Specification of acoustic warning signals . 26 A.1 General . 26 A.2 Sound criteria for acoustic TWS

19、-Signals 26 A.3 Time criteria for acoustic TWS-Signals . 27 Annex B (normative) Specification of optical TWS signals . 28 B.1 General . 28 Bibliography . 29 BS EN 16704-2-1:2016EN 16704-2-1:2016 (E) 4 European foreword This document (EN 16704-2-1:2016) has been prepared by Technical Committee CEN/TC

20、 256 “Railway applications”, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by May 2017, and conflicting national standards shall be withdrawn at the latest

21、by May 2017. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN not be held responsible for identifying any or all such patent rights. This document has been prepared under a mandate given to CEN by the European Commission and th

22、e European Free Trade Association. This European Standard is one of the series EN 16704 “Railway applications Track Safety protection on the track during work” as listed below: Part 1: Railway risks and common principles for protection of fixed and mobile work sites Part 2-1: Common solutions and te

23、chnology Technical requirements for Track Warning Systems (TWS) Part 2-2: Common solutions and technology Technical requirements for barriers Part 3: Competences of personnel related to work on or near the railway track According to the CEN-CENELEC Internal Regulations, the national standards organi

24、sations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, M

25、alta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 16704-2-1:2016EN 16704-2-1:2016 (E) 5 Introduction The purpose of this standard is to define the requirements for Track Warning Systems (TWS) used to warn people

26、 about approaching trains and rail vehicles when on or near the track during their work. TWS can be subdivided into the following types: LOWS Lookout Operated Warning Systems; ATWS Automatic Track Warning Systems; SCWS Signal Controlled Warning Systems. Each class can be used as a warning system by

27、itself or with an additional function that can influence approaching trains and rail vehicles. For instance LOWS-I, ATWS-I or SCWS-I (-I: influence function). This standard defines minimum system requirements for TWS. BS EN 16704-2-1:2016EN 16704-2-1:2016 (E) 6 1 Scope This European Standard defines

28、 minimum functional and non-functional requirements for Track Warning Systems (TWS) used to warn persons about approaching trains and rail vehicles during their work on or near the track. These systems may also have an additional function that can influence the approaching trains and rail vehicles.

29、The influence could be a stopping, passing or other function. This European Standard is applicable to: systems, sub-systems and components within TWS, including those containing software; new TWS; new integrations of systems, sub-systems and components into existing TWS; and modifications of TWS dev

30、eloped according to this standard. It is also recommended to use this standard for single warning units (e.g. simple electrical horns). This European Standard does not apply to the following items: hazards during the installation/removal of the TWS caused by trains and rail vehicles on the lines; ha

31、zards caused by the improper use of TWS; hazards caused by the improper behaviour of persons working on or near the track; hazards caused by the (unauthorized) presence of persons on or near the track; CO2-horns (tyfons), human operated pressure signal horns, flags, detonators or machine warning sys

32、tems according to UIC 644; national safety regulations to plan and operate TWS in track. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. F

33、or undated references, the latest edition of the referenced document (including any amendments) applies. EN 894-3:2000+A1:2008, Safety of machinery - Ergonomics requirements for the design of displays and control actuators - Part 3: Control actuators EN 16704-1:2016, Railway applications Track Safet

34、y protection on the track during work Part 1: Railway risks and common principles for protection of fixed and mobile work sites EN 50121-4, Railway applications Electromagnetic compatibility Part 4: Emission and immunity of the signalling and telecommunications apparatus EN 50125-3:2003, Railway app

35、lications - Environmental conditions for equipment - Part 3: Equipment for signalling and telecommunications EN 50126-1:1999, Railway applications - The specification and demonstration of Reliability, Availability, Maintainability and Safety (RAMS) - Part 1: Basic requirements and generic process BS

36、 EN 16704-2-1:2016EN 16704-2-1:2016 (E) 7 EN 50128, Railway applications Communications, signalling and processing systems Software for railway control and protection systems EN 50129, Railway applications - Communication, signalling and processing systems - Safety related electronic systems for sig

37、nalling EN 50159, Railway applications - Communication, signalling and processing systems - Safety-related communication in transmission systems EN 60204-1, Safety of machinery - Electrical equipment of machines - Part 1: General requirements EN 60529, Degrees of protection provided by enclosures (I

38、P Code) EN 61310-1, Safety of machinery - Indication, marking and actuation - Part 1: Requirements for visual, acoustic and tactile signals EN ISO 12100, Safety of machinery - General principles for design - Risk assessment and risk reduction (ISO 12100) 3 Terms and definitions For the purposes of t

39、his document, the terms and definitions given in EN 16704-1:2016 and the following apply. Figure 1 Overview TWS family 3.1 Track Warning System TWS system which warns people of approaching trains and rail vehicles when they are on or near the track. These systems may also be able to influence the ap

40、proaching trains and rail vehicles. The influence could be a stopping, passing or other function BS EN 16704-2-1:2016EN 16704-2-1:2016 (E) 8 3.2 human activated system TWS where the process for detecting approaching trains and rail vehicles is dependent on human interaction 3.3 technical activated s

41、ystem TWS where the process for detecting approaching trains and rail vehicles is independent of human interaction 3.4 Lookout Operated Warning System LOWS TWS which detects approaching trains and rail vehicles by human operated detection units including a vigilance control for human operated detect

42、ion units 3.5 Automatic Track Warning System ATWS TWS which detects approaching trains and rail vehicles by technical means (e.g. treadles, axle counters) 3.6 Signal Controlled Warning System SCWS TWS which detects approaching trains and rail vehicles by data from the signalling system 3.7 TWS-input

43、 step or steps in the process of a TWS which detect approaching and/or leaving trains and rail vehicles 3.8 TWS-communications step or steps in the process of a TWS which provide communications between TWS functional units (these can be wired and/or wireless) according to EN 50159 3.9 TWS-logic step

44、 or steps in the process of a TWS to process the input and to generate warning information for the output 3.10 TWS-output step or steps in the process of a TWS a) to warn people by TWS-Signals and/or b) to influence approaching trains and rail vehicles 3.11 TWS-Signals acoustic and/or optical signal

45、s to warn people on or near the track about approaching trains and rail vehicles 3.12 human detection detection activated by a person (e.g. lookout) as input for TWS BS EN 16704-2-1:2016EN 16704-2-1:2016 (E) 9 3.13 human activation activation of a TWS-signal by a person (e.g. lookout, TWS-Operator)

46、3.14 human cancellation cancellation of a TWS-Signal by a person (e.g. lookout, TWS-Operator) as input for TWS 3.15 technical detection detection activated by an approaching train or rail vehicle not operated by a person (e.g. treadles, axle counters) as input for TWS 3.16 technical cancellation can

47、cellation of a TWS-Signal not by a person (e.g. treadles, axle counters) as input for TWS 3.17 safety critical failure failure according to EN 50129, which could affect the safety integrity of the system 3.18 failure deviation from the specified performance of a system. A failure is the consequence

48、of a fault or error in the system SOURCE: EN 50129:2003, definition 3.1.17 3.19 failsafe concept which is incorporated into the design of a product such that, in event of a failure, it enters or remains in safe state SOURCE: EN 50129:2003, definition 3.1.16 3.20 Safety Integrity Level SIL number whi

49、ch indicates the required degree of confidence that a system will meet its specified safety functions with respect to systematic failures SOURCE: EN 50129:2003, definition3.1.51 3.21 RAMS (Reliability, Availability, Maintainability, and Safety) acronym meaning a combination of reliability, availability, maintainability and safety SOURCE: EN 50126-1:1999, definition 3.29 3.21.1 reliability probability that an item can perform a required function under given conditions for a given time interval BS EN 1

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