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    CLC TR 50542-1-2014 Railway applications - Driver-s cab train display controller (TDC) - Part 1 General architecture.pdf

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    CLC TR 50542-1-2014 Railway applications - Driver-s cab train display controller (TDC) - Part 1 General architecture.pdf

    1、BSI Standards PublicationRailway applications Drivers cab train display controller (TDC)Part 1: General architecturePD CLC/TR 50542-1:2014National forewordThis Published Document is the UK implementation of CLC/TR 50542-1:2014. It supersedes PD CLC/TR 50542:2010 which is with-drawn.The UK participat

    2、ion in its preparation was entrusted to TechnicalCommittee GEL/9, Railway Electrotechnical Applications.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions ofa contract. Users are r

    3、esponsible for its correct application. The British Standards Institution 2014.Published by BSI Standards Limited 2014ISBN 978 0 580 79030 0ICS 35.240.60; 45.020; 93.100Compliance with a British Standard cannot confer immunity fromlegal obligations.This Published Document was published under the aut

    4、hority of theStandards Policy and Strategy Committee on 31 October 2014.Amendments issued since publicationDate Text affectedPUBLISHED DOCUMENTPD CLC/TR 50542-1:2014TECHNICAL REPORT RAPPORT TECHNIQUE TECHNISCHER BERICHT CLC/TR 50542-1 October 2014 ICS 35.240.60; 45.020 Supersedes CLC/TR 50542:2010 E

    5、nglish Version Railway applications - Drivers cab train display controller (TDC) - Part 1: General architecture This Technical Report was approved by CENELEC on 2014-06-30. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic

    6、, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Euro

    7、pean Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CENELEC All rights of exploitation in any form and by any means reserved worldwid

    8、e for CENELEC Members. Ref. No. CLC/TR 50542-1:2014 E PD CLC/TR 50542-1:2014CLC/TR 50542-1:2014 - 2 - Contents Page Foreword . - 3 - Introduction - 4 - 1 Scope . - 6 - 2 Normative references . - 7 - 3 Terms and definitions - 7 - 4 Symbols and abbreviations . - 8 - 5 Functions . - 9 - 5.1 Definitions

    9、 . - 9 - 5.1.1 General . - 9 - 5.1.2 From TDC to connected systems - 9 - 5.1.3 From connected systems to TDC - 10 - 5.1.4 Delays - 10 - 5.2 Function analysis - 12 - 5.2.1 Function failure modes and failure effects - 12 - 5.2.2 Failure modes and effects . - 13 - 6 Safety targets - 16 - 7 Certificatio

    10、n . - 18 - 8 TDC general description - 18 - 8.1 General . - 18 - 8.2 Information destination - 18 - 8.3 Second source - 19 - 8.4 TDC maintenance and LCC - 19 - 8.5 Safety and reliability targets - 20 - 8.6 TDC DMI redundancy management - 20 - 8.7 TDC recommended architecture . - 20 - 8.7.1 Constrain

    11、ts - 20 - 8.7.2 TDC architecture examples . - 21 - Annex A (informative) Actions - 24 - A.1 Introduction . - 24 - A.2 From TDC to connected systems - 25 - Bibliography . - 26 - PD CLC/TR 50542-1:2014- 3 - CLC/TR 50542-1:2014 Foreword This document (CLC/TR 50542-1:2014) has been prepared by CLC/TC 9X

    12、 “Electrical and electronic applications for railways“. This document supersedes CLC/TR 50542:2010. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such p

    13、atent rights. This document has been prepared under a mandate given to CENELEC by the European Commission and the European Free Trade Association. PD CLC/TR 50542-1:2014CLC/TR 50542-1:2014 - 4 - Introduction The purpose of this Technical Report is to propose harmonisation for communication between t

    14、he DMIs and the train systems on the drivers desk. The need for this harmonisation has grown out of several trends. One trend is that the rolling stock is being computerised more and more, enabling sophisticated functions within the rolling stock and various subsystems of the train. Furthermore, the

    15、 drivers desk of such rolling stock is built around one or several computer screens1. These allow the driver to interact with the computerised rolling stock functions. The user interfaces are typically user friendly, featuring e.g. graphics and colours. In case of degraded situation (screen failure)

    16、 and with several screens available on the desk, it should be possible to relocate important information to a screen that is still working. This improves operational availability. Another trend is the harmonisation of onboard signalling safety equipment. For ERTMS/ETCS onboard, the driver-machine in

    17、terface is also based on computerised screen(s). The ERTMS/ETCS defines the concept of Specific Transmission Module STM, allowing the integration of national control-command systems into the ERTMS/ETCS onboard system via a standardised interface. Since desk space is a limited resource, the STM conce

    18、pt allows national onboard control-command systems to use the driver machine interface resources of ERTMS/ETCS. For this purpose the ERTMS/ETCS driver machine interface allows the driver to interact with any of the installed STMs connected by STMs specification or/and ERTMS/ETCS onboard. A third tre

    19、nd is that a European market is opened for control-command and TCMS equipments as well as rolling stock. Traditionally, control-command systems were generally linked to a country, and rolling stock was equipped with one or more national control-command systems. This has effectively limited the rolli

    20、ng stock to operate within a limited number of countries. The ERTMS/ETCS, in combination with STMs enables cross-border traffic, freeing rolling stock from this barrier. The combination of the above trends leads to the conclusion that during train operation, TCMS need to have access to the screens o

    21、n the desk. Furthermore, it is desirable to maintain the advantages of multi-screen installations, allowing the ability to switch to another screen in case of screen failure for information to be still displayed. Thus a certain level of integration and harmonised communication is demanded. Another m

    22、otivation for this Technical Report is related to Life Cycle Cost. The recommendations written here simplify the replacement of screens and desk equipment through the lifetime of the vehicle, independent of the supplier. 1In this Introduction the term “screen” is used in a popular sense, implying e.

    23、g. touch screen or other means of input from driver. PD CLC/TR 50542-1:2014- 5 - CLC/TR 50542-1:2014 This document is the first one of a series of three documents: CLC/TR 50542-1 Railway applications Drivers cab Train Display Controller (TDC) General architecture pr TR50542-2 Railway applications Dr

    24、ivers cab Train Display Controller (TDC) Display systems FIS pr TR50542-3 Railway applications Drivers cab Train Display Controller (TDC) Other systems FIS PD CLC/TR 50542-1:2014CLC/TR 50542-1:2014 - 6 - 1 Scope In accordance with the ERTMS/ETCS specifications, Subset 121, UIC 612 leaflet, ERA ERTMS

    25、-015560 3.3.0 document, EN 50126 and EN 61375 series requirements, this Technical Report describes the Train Display System (TDS) in the drivers cab, and the link between the TDS/TDC and some of its interfaces (Blue box and blue links only): Figure 1 Terms and definitions The scope of the Train Disp

    26、lay System (TDS) thus includes: a) Functions, except functions defined in the ETCS Subset 121. These functions describe exchanges between TDC and the connected display systems; b) Performance allocation (RAMS included as per EN 50126): for each function defined in item a), defining the performances

    27、needed and the degraded modes recovering; c) Needs for certification: description of special requirements to avoid ETCS recertification after other display system modification; d) Train Display Controller (TDC): Redundancy management; Architecture; e) For each system connected (except those defined

    28、in ETCS Subset 121): the Functional Interface Specification (FIS). This Technical Report excludes the following items: Communication protocols (e.g. EN 61375 series); Ergonomic aspects; Interface with ETCS (Subset 121); Train functions; GSMR EIRENE functions; PD CLC/TR 50542-1:2014- 7 - CLC/TR 50542

    29、-1:2014 Use of the displays as terminals for maintenance purpose. 2 Normative references Not applicable. 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 Driver Machine Interface display used to give information to the driver. It contains the

    30、hardware and software means to support inform the driver Note 1 to entry: Information is carried through this interface in the form of visual (light), acoustic and tactile (drivers pressing of buttons). 3.2 button event pressing or releasing a button 3.3 button operating element for interaction with

    31、 the cab display (hard key, soft key, sensitive area) 3.4 cab display hardware device or system that shows text and/or graphic information to the user 3.5 hard key physical key with permanent marking and not part of the screen area Note 1 to entry: This permanent marking may be alpha and/or numeric

    32、and/or a symbol. 3.6 indicator element designed to draw attention to a cab system status which requires a response 3.7 sensitive area enabled area on a touchscreen on which a physical action is possible in order to give input to the cab display 3.8 soft key context-dependent key consisting of a comb

    33、ination of a hard key and an associated screen label (text or symbol) Note 1 to entry: This key is for multifunctional use. PD CLC/TR 50542-1:2014CLC/TR 50542-1:2014 - 8 - 3.9 label symbol or text indication on or close to an indicator or a button 3.10 Train Display Controller (TDC) equipment used t

    34、o manage information between displays on the drivers desk and the train Note 1 to entry: TDC is called DCU (Display Control Unit) in UIC 612 leaflet series. See bibliography. 3.11 Train Display System (TDS) TDS consists of the TDC and the related interfaces. Dotted line in Figure 1 Terms and definit

    35、ions, represents the limit between driver and the TDS 4 Symbols and abbreviations CCD Control Command Display DMI Driver Machine Interface ERTMS European Rail Traffic Management System ETCS European Train Control System ETD Electronic Timetable Display EVC European Vital Computer FMEA Failure Mode a

    36、nd Effects Analysis FIS Functional Interface Specification FSV Function/Task Supervision HW Hardware LCC Life Cycle Cost MTBF Mean Time Between Failures RAM(S) Reliability, Availability, Maintainability, (Safety) SIL Safety Integrity Level STM Specific Transmission Module SW Software TCMS Train Cont

    37、rol and Monitoring System TDC Train Display Controller TDD Technical and Diagnostic Display PD CLC/TR 50542-1:2014- 9 - CLC/TR 50542-1:2014 TDS Train Display System THR Tolerable Hazard Rate TRD Train Radio Display 5 Functions 5.1 Definitions 5.1.1 General The functions described in this document ar

    38、e managed by the TDC and its connected systems. The following subclauses give the list of those functions. The functions below should be implemented in the interface between the TDC and the connected systems. The interface may contain other functions not described in this document. 5.1.2 From TDC to

    39、 connected systems Button request: TDC request to connected system to give driver access to the related button. Button deletion request: TDC request to connected system to remove driver access to the related button. Indicator request: TDC request to connected system to display the related indicator.

    40、 Indicator deletion request: TDC request to connected system to remove the related indicator. Text message request: TDC request to connected system to display a text message. The request can consist of a reference to a text, or it can include the text itself. Text message deletion: TDC request to co

    41、nnected system to remove a text message. Sound on request: TDC request to connected system to start playing acoustic information to the driver. Sound off request: TDC request to connected system to stop playing acoustic information to the driver. Data entry request: TDC request to connected system t

    42、o ask the driver to enter one or several data. The request can contain one or more data values (e.g. default or current values) that can be modified by the driver, and a text identifying the data for the driver. Data confirmation request: TDC request to connected system to ask the driver to confirm

    43、one or several data. The request can contain one or more unconfirmed data values (e.g. recently given by the driver). Dataview request: TDC request to connected system to display data to the driver. Dataview deletion request: TDC request to connected system to remove data from the display. Continuou

    44、s dataview request: TDC request to connected system to display continuously changing data (e.g. speed, target distance). Continuous dataview deletion request: TDC request to connected system to remove continuously changing data (e.g. speed, target distance) from the display. PD CLC/TR 50542-1:2014CL

    45、C/TR 50542-1:2014 - 10 - Picture request: TDC request to connected system to display the related picture. The picture can consist of a reference to a pre-loaded picture in the connected system, or a description of the picture itself, or a file. Picture deletion request: TDC request to connected syst

    46、em to remove the related picture. Picture upload request: TDC request to connected system to upload a picture in a display memory. Status Reqest: TDC request status to connected system. 5.1.3 From connected systems to TDC Button event report: connected system reports button event to TDC. Ack: connec

    47、ted system reports (driver) acknowledgement to TDC. Ack can be performed by means of acknowledgement of a text message, or by means of pressing a button, depending on the context. General data input: connected system (train) provides data to TDC. Data entry reply: connected system reports (driver) d

    48、ata entry to TDC. Data confirmation reply: connected system reports (driver) confirmation or rejection of displayed data to TDC. Status answer: connected system reports its status to TDC. 5.1.4 Delays For each function, a maximum delay is recommended (Tables 1 and 2). The following delays are define

    49、d for the TDS (the time includes all the delays between displays and TDC external boundary, including displays and TDC inner delays). PD CLC/TR 50542-1:2014- 11 - CLC/TR 50542-1:2014 Table 1 - Delays from TDC boundary to display from TDC to display Delay (ms) button request 500 indicator request 250 text message request 500 text message deletion 1000 sound on request 250 sound off request 500 data entry request 500 data confirmation request 500 dataview request 1000 continuous dataview request 250 picture request 500 pictu


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