EN 50657:2017/A1:2023
(Amendment)Railways Applications - Rolling stock applications - Software on Board Rolling Stock
Railways Applications - Rolling stock applications - Software on Board Rolling Stock
Add the following note after the paragraph in 1.6: 'NOTE This document was derived from the signalling standard EN 50128 which in many cases was also applied in Rolling Stock applications. Subclause 1.6 ensures continuity in the application of the standards, i.e., software that was developed in accordance with EN 50128 can still be re-used for new projects.'
Bahnanwendungen - Anwendungen für Bahnfahrzeuge - Software auf Bahnfahrzeugen
Applications ferroviaires - Applications du matériel roulant - Logiciels embarqués
Modification au Domaine d’application Ajouter la note suivante après le paragraphe en 1.6 : « NOTE Le présent document est dérivé de la norme de signalisation EN 50128 qui, dans de nombreux cas, a également été appliquée dans les applications de Matériel roulant. Le paragraphe 1.6 assure la continuité de l'application des normes, c'est-à-dire que les logiciels qui ont été développés conformément à l’EN 50128 peuvent toujours être réutilisés pour de nouveaux projets. »
Železniške naprave - Vozna sredstva - Programska oprema za tirna vozila - Dopolnilo A1
General Information
Relations
Overview
EN 50657:2017/A1:2023 is a European standard focused on railway applications with an emphasis on rolling stock, specifically addressing the software used onboard rolling stock. This amendment (A1), approved in 2023, updates the original 2017 standard to enhance software management, organizational roles, and regulatory compliance within railway rolling stock contexts.
Developed by the CLC Technical Committee SC 9XB, this standard ensures interoperability and safety of embedded software systems in railway vehicles such as locomotives and passenger trains. Importantly, it builds continuity with the signalling standard EN 50128, allowing software developed under EN 50128 to be effectively reused in rolling stock projects. This approach optimizes development lifecycle and integration across railway domains.
Key Topics
Scope and Continuity
EN 50657:2017/A1:2023 clarifies the scope to maintain consistency with EN 50128, enabling reuse of signalling software in rolling stock applications. This is crucial for ensuring backward compatibility and streamlined software migration.Software Management and Organization
The amendment revises roles related to software assessment, specifying that Assessor appointments can be by the supplier or customer across Safety Integrity Levels (SIL 1–4). Flexibility is enhanced with assessors potentially coming from any stakeholder organization, including third parties, which facilitates diverse oversight models and compliance assurance.Conformity and Compliance
The standard aligns with European Union legislation, particularly Directive (EU) 2016/797 concerning rail system interoperability. Annex ZZ details the relationship between EN 50657 and essential requirements for locomotives and passenger rolling stock, supporting conformity assessment processes crucial for legal compliance and operational safety.Maintenance and Safety Aspects
Guidelines for software maintenance protocols and safety assurance procedures are defined, ensuring that onboard software continues to meet operational safety standards throughout its lifecycle.
Applications
EN 50657:2017/A1:2023 applies to a broad range of railway rolling stock software systems including but not limited to:
- Embedded Control Systems on locomotives and passenger trains
- Safety-critical software for braking, traction control, and door management
- Diagnostic and monitoring software essential for onboard system health checks
- Communication interfaces between rolling stock and signaling or control centers
- Software reuse scenarios, leveraging existing development from signalling projects for rolling stock applications
This standard is essential for railway operators, rolling stock manufacturers, suppliers, and software developers aiming to design, implement, and maintain compliant and interoperable embedded systems within rail vehicles.
Related Standards
- EN 50128 – Railway Applications: Software for Signalling Systems, which serves as the foundational reference for EN 50657 and its software lifecycle processes.
- Directive (EU) 2016/797 – EU legislation defining the interoperability framework for the European rail system, with which EN 50657 supports compliance.
- EN 50657 (Original 2017 Edition) – Provides the base version updated by the A1:2023 amendment.
- Technical Specifications for Interoperability (TSI) – Complementary regulatory documents that reference EN 50657 clauses for conformity assessment and essential requirements compliance.
EN 50657:2017/A1:2023 is a vital standard for ensuring software safety, interoperability, and lifecycle management onboard rolling stock. By fostering compatibility with signalling standards and aligning with EU regulations, it supports the continuous advancement and secure operation of railway systems across Europe and beyond.
Standards Content (Sample)
SLOVENSKI STANDARD
01-december-2023
Železniške naprave - Vozna sredstva - Programska oprema za tirna vozila -
Dopolnilo A1
Railways Applications - Rolling stock applications - Software on Board Rolling Stock
Bahnanwendungen - Anwendungen für Schienenfahrzeuge - Software auf
Schienenfahrzeugen
Applications ferroviaires - Applications du matériel roulant - Logiciels embarqués
Ta slovenski standard je istoveten z: EN 50657:2017/A1:2023
ICS:
35.080 Programska oprema Software
45.060.01 Železniška vozila na splošno Railway rolling stock in
general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN 50657:2017/A1
NORME EUROPÉENNE
EUROPÄISCHE NORM November 2023
ICS 35.080; 35.240.60
English Version
Railways Applications - Rolling stock applications - Software on
Board Rolling Stock
Applications ferroviaires - Applications du matériel roulant - Bahnanwendungen - Anwendungen für Bahnfahrzeuge -
Logiciels embarqués Software auf Bahnfahrzeugen
This amendment A1 modifies the European Standard EN 50657:2017; it was approved by CENELEC on 2023-08-03. CENELEC members
are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this amendment the status of a
national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This amendment exists in three official versions (English, French, German). A version in any other language made by translation under the
responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as
the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Türkiye and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2023 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 50657:2017/A1:2023 E
Contents Page
European foreword . 3
1 Modification to Scope . 3
2 Modifications to Clause 5 “Software management and organization” . 4
3 Modification to Annexes . 4
European foreword
This document [EN 50657:2017/A1:2023] has been prepared by CLC/SC 9XB “Electrical, electronic and
electromechanical material on board rolling stock, including associated software”.
The following dates are fixed:
• latest date by which this document has (dop) 2024-08-03
to be implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national (dow) 2026-08-03
standards conflicting with this document
have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
This document has been prepared under a standardization request addressed to CENELEC by the European
Commission. The Standing Committee of the EFTA States subsequently approves these requests for its
Member States.
For the relationship with EU Legislation, see informative Annex ZZ, which is an integral part of this document.
Any feedback and questions on this document should be directed to
...
Frequently Asked Questions
EN 50657:2017/A1:2023 is a amendment published by CLC. Its full title is "Railways Applications - Rolling stock applications - Software on Board Rolling Stock". This standard covers: Add the following note after the paragraph in 1.6: 'NOTE This document was derived from the signalling standard EN 50128 which in many cases was also applied in Rolling Stock applications. Subclause 1.6 ensures continuity in the application of the standards, i.e., software that was developed in accordance with EN 50128 can still be re-used for new projects.'
Add the following note after the paragraph in 1.6: 'NOTE This document was derived from the signalling standard EN 50128 which in many cases was also applied in Rolling Stock applications. Subclause 1.6 ensures continuity in the application of the standards, i.e., software that was developed in accordance with EN 50128 can still be re-used for new projects.'
EN 50657:2017/A1:2023 is classified under the following ICS (International Classification for Standards) categories: 35.080 - Software; 35.240.60 - IT applications in transport. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 50657:2017/A1:2023 has the following relationships with other standards: It is inter standard links to EN 50716:2023, EN 50657:2017. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN 50657:2017/A1:2023 is associated with the following European legislation: EU Directives/Regulations: 2016/797/EU; Standardization Mandates: M/483, M/591. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
You can purchase EN 50657:2017/A1:2023 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of CLC standards.
SIST EN 50657:2017/A1:2023 표준은 철도 애플리케이션, 특히 차량 내 소프트웨어 개발에 중점을 두고 있습니다. 이 표준의 범위는 철도 산업에서 운행되는 다양한 소프트웨어 응용프로그램의 안전성과 효율성을 보장하는 데 필요한 기준을 설정하는 것입니다. 이 표준의 가장 큰 강점 중 하나는 EN 50128 신호 표준에서 파생된 점입니다. 이는 기존 시스템과의 연속성을 보장하여, EN 50128에 따라 개발된 소프트웨어가 새로운 프로젝트에서도 재사용될 수 있도록 합니다. 덕분에 철도 공급업체와 운영자는 과거에 개발한 검증된 소프트웨어 자산을 활용해 비용과 시간을 절약할 수 있습니다. 또한, SIST EN 50657은 철도 차량 내 소프트웨어 애플리케이션의 요구사항을 명확히 규정함으로써, 최신 기술 발전을 반영한 기준을 제공합니다. 이는 안전 규정 준수, 성능 보장 및 사용자 친화성을 향상시키는 데 기여합니다. 특히, 표준은 소프트웨어 개발 수명 주기 전반에 걸쳐 지속적인 품질 관리를 강조하고 있습니다. 결론적으로, SIST EN 50657:2017/A1:2023 표준은 철도 차량 소프트웨어 개발에 있어 중요한 기준을 제공하며, 산업 전반에 걸쳐 안전하고 신뢰할 수 있는 소프트웨어 솔루션을 보장하는 데 기여합니다.
The standard SIST EN 50657:2017/A1:2023 addresses critical aspects of software applications in railway rolling stock. The additions made in this revision, particularly the note in paragraph 1.6, enhance its scope by clarifying the document's derivation from the established signalling standard EN 50128. This connection emphasizes the standard's relevance to rolling stock applications, ensuring a comprehensive framework for compliance in software development. One of the notable strengths of this standard lies in its commitment to continuity in the application of existing standards. By explicitly stating that software developed in accordance with EN 50128 can be reused for new rolling stock projects, it facilitates a streamlined transition for developers and engineers. This promotes a consistent and efficient approach to software application in the railway sector, potentially reducing development time and ensuring higher safety standards. The relevance of SIST EN 50657:2017/A1:2023 cannot be overstated, especially in a time when the integration of sophisticated software systems in rolling stock is becoming increasingly critical. This standard not only provides guidelines for new applications but also safeguards the integrity and reliability of existing systems through its emphasis on established benchmarks. Overall, the standard serves as a vital resource for the railway industry, promoting safety, reliability, and innovation in rolling stock software applications.
Die Norm SIST EN 50657:2017/A1:2023 behandelt die Anwendungen im Bereich der Bahntechnik, insbesondere die Software für rollendes Material. Der Geltungsbereich dieser Norm ist klar definiert und bezieht sich auf die spezifischen Anforderungen für Software, die in Schienenfahrzeugen eingesetzt wird. Eine wesentliche Stärke der Norm ist die enge Verbindung zur Signalisierungsnorm EN 50128, die als Grundlage für viele Anwendungen im Bereich des rollenden Materials dient. Dies unterstreicht die Relevanz der Norm für die Sicherstellung von Kontinuität und Einheitlichkeit in der Softwareentwicklung. Der Zusatz im Abschnitt 1.6 verdeutlicht, dass Software, die gemäß EN 50128 entwickelt wurde, weiterhin für neue Projekte genutzt werden kann. Dies fördert nicht nur eine effiziente Wiederverwendbarkeit, sondern auch die Qualität und Sicherheit der eingesetzten Softwarelösungen. Diese Beziehung zur bestehenden Norm schafft Vertrauen in die Kompatibilität und die hohen Standards, die im Bereich der Bahnanwendungen gelten. Darüber hinaus ist die Norm für Entwickler und Ingenieure von großer Bedeutung, da sie klare Richtlinien und Anforderungen für die Entwicklung von Software für rollendes Material bietet. Die spezifischen Vorgaben helfen, Sicherheitsstandards einzuhalten und mögliche Risiken während des gesamten Lebenszyklus der Software zu minimieren. Insgesamt trägt die SIST EN 50657:2017/A1:2023 maßgeblich dazu bei, die Qualität und Sicherheit in der Bahnindustrie zu erhöhen und gleichzeitig innovative Entwicklungen im Bereich der Softwaretechnologie zu unterstützen.
SIST EN 50657:2017/A1:2023の標準は、鉄道のアプリケーションに関する重要な文書であり、特に車両搭載ソフトウェアに焦点を当てています。この標準の範囲は非常に包括的で、鉄道信号標準EN 50128から派生したものである点が強調されています。この関連性により、EN 50128に従って開発されたソフトウェアが新しいプロジェクトにも再利用できることが保証されています。これにより、過去の投資を有効活用できる道が開かれ、業界全体の効率と一貫性が向上します。 さらに、この標準が持つ強みは、鉄道車両の安全性と信頼性に対する高い要求に応えられるように設計されていることです。ソフトウェアの開発に必要なプロセスや要件が詳細に規定されているため、開発者やエンジニアが明確なガイドラインに従い、リスクを最小限に抑えた開発が可能になります。 また、標準の適用は新しい技術革新に対しても柔軟であり、先進的な技術や手法を導入する際の基盤となります。この柔軟性は、将来的な鉄道システムの進化を促進し、持続可能な輸送手段として求められる現代のニーズに応えるものです。 総じて、SIST EN 50657:2017/A1:2023は、鉄道アプリケーションにおける車両搭載ソフトウェアの標準化において欠かせない文書であり、その範囲、強み、関連性は、鉄道業界における品質向上と効率化を支える重要な要素です。
La norme SIST EN 50657:2017/A1:2023, intitulée "Applications ferroviaires - Applications de matériel roulant - Logiciel à bord du matériel roulant", offre une approche structurée et cohérente pour le développement et l'intégration de logiciels dans le matériel roulant. Son champ d'application, précisé dans la clause 1.6, souligne l'importance de la continuité des normes en liant les exigences du logiciel aux standards de signalisation établis, notamment la norme EN 50128. Cette note, ajoutée à la clause 1.6, est particulièrement pertinente car elle permet de garantir que les logiciels développés selon EN 50128 peuvent être réutilisés dans de nouveaux projets de matériel roulant. Cela représente un gain d'efficacité important pour les développeurs, car ils n'ont pas besoin de repartir de zéro, mais peuvent s'appuyer sur des solutions éprouvées. Cette approche favorise également l'innovation dans le secteur ferroviaire tout en respectant les normes de sécurité et de fiabilité requises. Les forces de cette norme résident dans sa capacité à harmoniser les exigences techniques tout en facilitant l'interopérabilité des systèmes. En tenant compte des exigences des applications de signalisation et du matériel roulant, la norme crée une base solide pour la conception et la mise en œuvre de logiciels, garantissant ainsi la conformité aux attentes de performance et de sécurité. De plus, la mise à jour de la norme, comme le montre l'amendement A1:2023, démontre l'engagement continu de l'organisme de normalisation à s'adapter aux évolutions technologiques et aux besoins du secteur. En somme, la norme SIST EN 50657:2017/A1:2023 est un puissant outil qui favorise le développement systématique de logiciels pour le matériel roulant, assurant la conformité et la réutilisation des systèmes existants, et se positionne comme un atout majeur pour l'industrie ferroviaire moderne.
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