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1、BRITISH STANDARD BS EN 13149-1:2004 Public transport Road vehicle scheduling and control systems Part 1: WORLDFIP definition and application rules for onboard data transmission The European Standard EN 13149-1:2004 has the status of a British Standard ICS 35.100.05; 35.240.60; 43.080.20; 45.060.01 ?
2、 Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 08:28:53 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 13149-1:2004 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 25 August 2004 BSI 25 August 2004 ISBN 0 580 44344 2 National forew
3、ord This British Standard is the official English language version of EN 13149-1:2004. It supersedes DD ENV 13149-1:2000, which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee EPL/278, Road transport informatics, which has the responsibility to: A list of o
4、rganizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Cor
5、respondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does no
6、t of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developme
7、nts and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 76, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issue
8、d since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 08:28:53 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 13149-1 July 2004 ICS 35.100.05; 35.240.60; 43.080.20; 45.060.01Supersedes ENV 13149-1:1999 Englis
9、h version Public transport - Road vehicle scheduling and control systems - Part 1: WORLDFIP definition and application rules for onboard data transmission ffentlicher Verkehr - Planungs- und Steuerungssysteme fr Straenfahrzeuge - Teil 1: WORLDFIP Definitions- und Anwendungsrichtlinien fr bordeigene
10、Datenbertragung This European Standard was approved by CEN on 1 April 2004. 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 biblio
11、graphical references concerning such national standards may be obtained on application to the Central Secretariat 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
12、a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, La
13、tvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 20
14、04 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13149-1:2004: E Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 08:28:53 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 13149-1 :2004 (E) 2 Contents page Introduction4 1 Scope
15、5 2 Normative references .5 3 Terms and definitions.6 4 Typical structure of the network .6 4.1 Outline functions of the network.6 4.2 Diagram of preferred implementation 7 5 Specifications for the on-board data transmission system .7 5.1 Data transmission bus7 5.2 General rules7 5.2.1 Introduction7
16、 5.2.2 Network medium .7 5.2.3 Transmission speed7 5.2.4 Coupling mode7 5.2.5 Redundant media7 5.2.6 Network configuration rules.7 5.2.7 Encoding .8 5.2.8 Turnaround time8 5.2.9 Waiting time at the bus arbiter level for an answer.8 5.2.10 Jabber inhibit.8 5.2.11 Connectors8 5.2.12 Cables.8 5.3 Confo
17、rmance Class8 5.4 Bus Arbiter8 5.5 Presence Variable8 Annex A (informative) CEN/TC 278 Internal report on requirements for on board transmission between equipment .9 Bibliography.76 Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 08:28:53 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 13149-1
18、:2004 (E) 3 Foreword This document (EN 13149-1:2004) has been prepared by Technical Committee CEN/TC 278 “Road Transport and Traffic Telematics“, the secretariat of which is held by NEN. This European Standard shall be given the status of a national standard, either by publication of an identical te
19、xt or by endorsement, at the latest by February 2005, and conflicting national standards shall be withdrawn at the latest by February 2005. This document supersedes ENV 13149-1:1999. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries ar
20、e bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and
21、 United Kingdom. Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 08:28:53 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 13149-1 :2004 (E) 4 Introduction The present situation is the following: A large number of Vehicle Scheduling and Control Systems (VSCS) do not use a data bus, resulting in
22、point to point data links with expensive cabling which cannot be preinstalled during the manufacturing of the vehicle, increasing the cost of the system different proprietary transmission protocols which have to be implemented as and when required difficulty in changing the provider of a given type
23、of equipment as no compatibility exists between different providers of the same type of equipment Some systems implement the VDV IBIS bus specification, but: IBIS bus is very slow and no longer covers the need for high speed data transmission between equipment IBIS bus is not an open system and does
24、 not cover some of the necessary messages practically every VSCS manufacturer has been obliged to implement a second high speed data bus which is proprietary, resulting in no possibility of interchanging equipment with other manufacturers The buses, which are proposed by CEN/TC278, aim at avoiding t
25、he preceding difficulties with the following characteristics: high capacity and high speed data bus consistent workplan ensuring interoperability down to the message level low cost solution already standardised data bus large number of already existing and future applications outside the VSCS area,
26、ensuring the existence of equipment on the market, the progressive decrease of the cost of the necessary chips and the timelessness of the solution existing chips and basic software up to and including the layer 7 of the ISO 7 layer communication model and existing developments tools, minimising the
27、 development costs The buses proposed by CEN/TC 278 have been chosen among others through a progressive selection process. This work took into account a flexible approach to the range of applications, the potential traffic loading under different operating circumstances and the definition of objecti
28、ve criteria for a transmission bus. The candidate buses were evaluated against the criteria in terms of performance, cost, industrial support and the existence of maintained documents. Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 08:28:53 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 13149
29、-1 :2004 (E) 5 1 Scope The present document specifies the choice and the general applications rules of an onboard data transmission bus between the different equipment for service operations and monitoring of the fleet. This applies to equipment installed onboard buses, trolleybuses and tramways onl
30、y as part of a bus fleet operation. It excludes tramways when they are operated as part of a train, subway or metro operation. The equipment includes operations aid systems, automatic passenger information systems, fare collection systems, etc The equipment directly related to the functioning of the
31、 vehicle (driver dashboard, engine management, brake systems, door opening systems, etc.) are excluded from the scope of the present document and are dealt with in other standardisation bodies. Two alternative transmission buses will be accepted. This document refers to the so called WORLDFIP bus. A
32、 second set of documents will be published for the second solution (so called CAN). There is no ranking between the two solutions and the selected bus system, between the two standardised alternatives, shall be subject to an agreement between each transport operating organisation and its equipment p
33、roviders. The present document refers to the so-called OSI transmission model and covers OSI layers 1,2,7, the other layers are not used in our applications. The present document covers the link between equipment inside a single vehicle. Although it could be applied to multiple vehicles, this applic
34、ation is not explicitly covered by this document. The present document is the first part of a set of standards, related to the onboard transmission bus, which will comprise, for each allowed transmission bus, the following set of documents: a) choice of the bus and general applications rules (EN 131
35、49-1) b) cabling specifications (EN 13149-2) c) messages content specifications (prCEN TS 13149-3) 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the lates
36、t edition of the referenced document (including any amendments) applies. EN 13149-2 Public transport - Road vehicle scheduling and control systems - Part 2: WORLDFIP cabling specifications EN 50170 General purpose field communication system EN 61158-2:1994 Fieldbus standard for use in industrial con
37、trol systems; part 2: physical layer specification and service definition (IEC 61158-2:1993) Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 08:28:53 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 13149-1 :2004 (E) 6 3 Terms and definitions For the purposes of this document, the following term
38、s and definitions apply: 3.1 network system formed by a particular implementation of the data transmission bus 3.2 presence variable variable transmitted by a device to indicate that it is present on the bus 4 Typical structure of the network 4.1 Outline functions of the network The network is provi
39、ded as a means of communication between equipment, not as a means of power distribution. It will provide for the Physical, Data Link and Application layers. Power distribution may be provided within the same cable (on different wires) provided it does not contravene other requirements of this docume
40、nt. The following gives a brief summary of some of the main features of the network: Essentially fieldbus linear topology Periodic (Cyclic) data A periodic (Events) data Message and file transfer Provides for control and information transfer Deterministic performance-parametering of priority order a
41、nd periods Bus arbitration to ensure time critical data is undisturbed by less critical events and messages Producer consumer model with provision to broadcast data Open network Self clocking Half duplex Medium redundancy possibility Remote monitoring Intelligent and non-intelligent devices Distribu
42、ted database Error detection Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 08:28:53 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 13149-1 :2004 (E) 7 4.2 Diagram of preferred implementation Figure 1 shows a diagram of the preferred implementation. Device 1 Device 2Device N 4 wires 4 wires 4
43、 wires Termination Tap 2 wires Tap 2 wires Tap Termination Figure 1 Preferred implementation 5 Specifications for the on-board data transmission system 5.1 Data transmission bus The data transmission bus shall be as defined in EN 50170, which is generally known as WorldFIP. 5.2 General rules 5.2.1 I
44、ntroduction These general rules are derived from EN 61158-2, and particularly those referring to the Medium Attachment Unit (MAU): 1Mbits/s, voltage mode, wire medium. The following are particularly relevant and shall apply. 5.2.2 Network medium This consists of shielded twisted pair wires mainly us
45、ed in a linear topology 5.2.3 Transmission speed The devices connected to the bus shall operate at the nominal rate of 1Mbit/second. 5.2.4 Coupling mode The coupling of a device to the medium shall be by the voltage mode (parallel coupling) using transformers. 5.2.5 Redundant media Four wire configu
46、rations providing a medium redundancy network are permitted but not mandatory 5.2.6 Network configuration rules The network configuration rules of EN 61158-2:1994, section 12 shall apply with the exception that the limit to 32 devices on a bus applies only to a bus segment. The bus can consist of mo
47、re than one segment resulting in more than 32 devices attached to the same bus. Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 08:28:53 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 13149-1 :2004 (E) 8 5.2.7 Encoding The Preamble and Delimiters coding shall be as defined by EN 61158-2:1994 s
48、ection 9. CRC coding shall be as defined by EN 50170. 5.2.8 Turnaround time The turnaround time TR of the different devices shall be set to 10 s. plus or minus 0,025s. 5.2.9 Waiting time at the bus arbiter level for an answer The waiting time (or silence time) for an answer after requesting a given
49、variable or message (when the corresponding equipment fails to answer) shall be set to 150s. plus or minus 0,025s. 5.2.10 Jabber inhibit The jabber inhibits requirements of EN 61158-2:1994 section 12 shall apply. 5.2.11 Connectors The connectors referred to in EN 61158-2:1994 section 12 are not mandatory. They are defined in EN 13149-2. 5.2.12 Cables Cables are referred to in EN 61158-2:1994 section 12 and the corresponding specifi