SIST EN 50155:2007/AC:2012
(Corrigendum)Railway applications - Electronic equipment used on rolling stock
Railway applications - Electronic equipment used on rolling stock
This standard applies to all electronic equipment for control, regulation, protection, supply, etc., installed on rail vehicles and associated with:;either the accumulator battery of the vehicle;;or a low voltage power supply source with or without a direct connection to the contact system (transformer, potentiometer device, auxiliary supply); with the exception of electronic power circuits, which conform to EN 50207. This standard covers the conditions of operation, design, construction, and testing of electronic equipment, as well as basic hardware and software requirements considered necessary for competent, reliable equipment. Additional requirements in other standards or individual specifications may complement this standard, if they are justified. Specific requirements related to practices necessary to assure defined levels of functional safety are to be determined in accordance with 4.6.3.1 and 4.6.3.2 of EN 50126 and its informative Annex A. Software safety integrity level of 1 or higher shall only be considered when it is shown that a residual safety risk remains and that it has to be carried by the software driven programmable electronic system. In such a case (i.e. software safety integrity level 1 or higher), EN 50128 is applicable. For the purpose of this standard, electronic equipment is defined as equipment mainly composed of semiconductor devices and recognized associated components. These components will mainly be mounted on printed boards.
Bahnanwendungen - Elektronische Einrichtungen auf Schienenfahrzeugen
Applications ferroviaires - Equipements électroniques utilisés sur le matériel roulant
Železniške naprave - Elektronska oprema na voznih sredstvih
Ta standard se uporablja za vso elektronsko opremo za nadzor, regulacijo, zaščito, napajanje itd., ki je nameščena na železniška vozila in povezana z akumulatorsko baterijo vozila ali nizkonapetostnim napajalnim virom z neposredno povezavo do kontaktnega sistema (transformator, potenciometer, pomožno napajanje) ali brez nje, razen za elektronske tokokroge, ki so skladni s standardom EN 50207. Ta standard zajema pogoje obratovanja, načrtovanja, gradnje in preskušanja elektronske opreme ter osnovne zahteve glede strojne in programske opreme, ki se obravnavajo kot nujne za zmogljivo in zanesljivo opremo. Če so utemeljene, lahko dodatne zahteve iz drugih standardov ali posamezne specifikacije dopolnjujejo ta standard. Posebne zahteve v zvezi s praksami, ki so potrebne za zagotovitev opredeljenih ravni funkcionalne varnosti, je treba določiti v skladu s točkama 4.6.3.1 in 4.6.3.2 standarda EN 50126 ter njegovim informativnim dodatkom A. Stopnja 1 varnostne celovitosti programske opreme ali višja stopnja se upošteva le, kadar se dokaže, da je še vedno prisotno preostalo varnostno tveganje in da je obvezna za programabilne elektronske sisteme na podlagi programske opreme. V takem primeru (tj. pri stopnji 1 varnostne celovitosti programske opreme ali višji stopnji) se uporablja standard EN 50128. V tem standardu je elektronska oprema definirana kot oprema, sestavljena predvsem iz polprevodniških naprav in priznanih pripadajočih sestavnih delov. Ti sestavni deli se bodo namestili predvsem na tiskana vezja.
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Železniške naprave - Elektronska oprema na voznih sredstvihBahnanwendungen - Elektronische Einrichtungen auf SchienenfahrzeugenApplications ferroviaires - Equipements électroniques utilisés sur le matériel roulantRailway applications - Electronic equipment used on rolling stock45.060.10Tractive stock29.280Electric traction equipmentICS:Ta slovenski
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