SIST 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 Schienenfahrzeuge - Software auf Schienenfahrzeugen
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
- Status
- Published
- Public Enquiry End Date
- 30-Mar-2023
- Publication Date
- 14-Nov-2023
- Technical Committee
- ŽEN - Electrical applications for railways
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 08-Nov-2023
- Due Date
- 13-Jan-2024
- Completion Date
- 15-Nov-2023
Relations
- Effective Date
- 01-Dec-2023
- Effective Date
- 01-Mar-2024
Overview
SIST 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
SIST 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
SIST 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.
SIST 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.
Frequently Asked Questions
SIST EN 50657:2017/A1:2023 is a amendment published by the Slovenian Institute for Standardization (SIST). 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.'
SIST 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; 45.060.01 - Railway rolling stock in general. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 50657:2017/A1:2023 has the following relationships with other standards: It is inter standard links to SIST EN 50657:2017, SIST EN 50716:2024. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
SIST 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 SIST 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 SIST standards.
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
...
The standard SIST EN 50657:2017/A1:2023 addresses the vital aspect of software used in rolling stock applications, specifically within the railway sector. This comprehensive document highlights the integration of safety and operational efficiency in the development of onboard software for railway applications, ensuring the reliability and functionality of rolling stock systems. One of the significant strengths of this standard is its emphasis on continuity and the reusability of software. By including the note about the derivation from the signalling standard EN 50128, it establishes a clear connection between past and present practices, which is crucial for developers and engineers in the industry. This alignment allows for the seamless transition of previously developed software into new projects, reducing both time and resource investment while maintaining safety standards. Furthermore, the relevance of this standard cannot be overstated. As railways increasingly adopt advanced technologies and software solutions, having a well-defined framework for rolling stock applications becomes essential. The guidelines set forth in SIST EN 50657:2017/A1:2023 provide crucial support for compliance with safety regulations and operational standards, promoting the development of robust systems that meet the needs of modern railway transportation. Overall, the SIST EN 50657:2017/A1:2023 standard serves as a pivotal resource for engineers and stakeholders in the railway sector, ensuring that software on board rolling stock not only meets stringent safety and performance criteria but also leverages existing knowledge and solutions effectively.
SIST EN 50657:2017/A1:2023は、鉄道アプリケーションにおける車両用ソフトウェアの標準化を目的とした重要な文書です。この標準の範囲は、鉄道車両に搭載されるソフトウェアの開発、検証、認証に関する基準を提供することにあり、鉄道業界全体において高い信頼性と安全性を促進しています。 この標準の強みのひとつは、信号標準であるEN 50128からの派生によって、鉄道車両アプリケーションにおいてもその原則が適用可能である点です。このような背景を持つことで、標準は技術の進化に応じた一貫性のある実施が可能となり、既存のソフトウェアの再利用が促進され、新しいプロジェクトでもスムーズに導入できます。具体的には、1.6節の付記により、EN 50128に基づいて開発されたソフトウェアが新しいプロジェクトで再利用できることが強調されています。これは業界全体におけるコスト削減と効率化につながる重要な要素です。 また、SIST EN 50657:2017/A1:2023は、鉄道運行に関する厳しい安全基準に準拠しており、さまざまな技術的要件やプロセスを定義することで、プロジェクト関係者に明確なガイドラインを提供します。このことは、製品の品質向上とリスク管理を徹底する上でも不可欠です。全体として、この標準は、鉄道業界におけるソフトウェア開発のための基本的かつ必要なフレームワークを提供しており、その関連性は今後もますます高まることでしょう。
La norme SIST EN 50657:2017/A1:2023 se concentre sur les applications des chemins de fer, en particulier sur les logiciels embarqués à bord du matériel roulant. Cette norme est d'une grande importance dans le domaine ferroviaire, car elle établit des lignes directrices claires visant à garantir la sécurité et l'efficacité des systèmes logiciels sur les véhicules ferroviaires. Le champ d'application de la norme souligne la continuité dans l'application des normes, un aspect crucial pour les professionnels du secteur. La note ajoutée au paragraphe 1.6, qui mentionne que ce document a été dérivé de la norme de signalisation EN 50128, est particulièrement significative. Cela rappelle aux utilisateurs que les logiciels développés conformément à EN 50128 peuvent être réutilisés pour de nouveaux projets dans le cadre des applications de matériel roulant. Cette continuité favorise non seulement l'harmonisation des pratiques de développement, mais réduit également les délais et les coûts associés à la création de nouveaux logiciels. Les points forts de la norme incluent son approche exhaustive des exigences en matière de développement, de validation et de vérification des logiciels. Elle met l'accent sur la sécurité et la fiabilité, deux éléments essentiels dans le contexte ferroviaire. Par ailleurs, SIST EN 50657:2017/A1:2023 offre une base solide pour évaluer les logiciels embarqués, facilitant ainsi leur mise en conformité avec les normes de sécurité en vigueur. En résumé, la norme SIST EN 50657:2017/A1:2023 est pertinente pour les acteurs du secteur ferroviaire, car elle garantit une approche standardisée pour le développement de logiciels à bord des matériels roulants. Le fait qu'elle puisse s'appuyer sur des normes préexistantes renforce ses fondements, en assurant une meilleure intégration des systèmes logiciels dans les projets futurs.
SIST EN 50657:2017/A1:2023 표준은 철도 애플리케이션에 대한 이동수단의 소프트웨어 개발에 관한 중요한 지침을 제공합니다. 이 표준의 범위는 철도 차량에 탑재되는 소프트웨어의 운용과 관련된 요구사항을 명확히 정의하고 있습니다. 특히, 1.6항에 첨가된 주석은 EN 50128 신호 표준에서 파생되었음을 강조하며, 이는 이동수단 애플리케이션에서도 광범위하게 적용된다는 점에서 매우 유의미합니다. 이 표준의 핵심 강점 중 하나는 소프트웨어의 재사용성을 보장한다는 것입니다. 즉, EN 50128에 따라 개발된 소프트웨어는 새로운 프로젝트에서 다시 활용될 수 있어, 개발 과정에서의 효율성을 극대화합니다. 이러한 재사용 가능성은 개발자와 기업이 시간과 비용을 절감하는 데 기여하며, 이는 철도 산업의 지속 가능성을 높이는 데도 중요한 역할을 합니다. SIST EN 50657:2017/A1:2023은 현대 철도 시스템의 복잡성을 관리하는 데 필수적인 기준을 제공함으로써, 관련 산업에 대한 신뢰성을 높이고, 안전성을 강화하는 데 기여합니다. 이 표준은 철도 소프트웨어 개발자 및 운영자에게 실질적인 지침을 제공하며, 철도 애플리케이션의 품질 보증을 위해 한층 더 정교한 절차를 포함하고 있습니다. 결론적으로, SIST EN 50657:2017/A1:2023 표준은 철도 차량의 소프트웨어 개발에 있어 필수적인 가이드라인을 제공하며, 철도 산업의 혁신과 지속 가능성에 중대한 영향을 미치고 있습니다. 이는 모든 이해관계자에게 매우 중요한 표준으로 자리잡고 있습니다.
Die Norm SIST EN 50657:2017/A1:2023 behandelt die Anwendungen im Bereich der Bahntechnik, insbesondere die Software für rollendes Material. Mit ihrem klar definierten Anwendungsbereich spielt sie eine entscheidende Rolle in der Standardisierung der Softwareentwicklungsprozesse für die Bahnindustrie. Ein hervorzuhebender Aspekt dieser Norm ist die Gewährleistung der Kontinuität bei der Anwendung zuvor genutzter Standards, insbesondere durch die Bezugnahme auf die Signalisierungsnorm EN 50128. Diese Verknüpfung ermöglicht es, dass Software, die gemäß EN 50128 entwickelt wurde, auch in neuen Projekten weiterhin verwendet werden kann. Dies ist besonders relevant in einer Branche, die kontinuierlich auf moderne Technologien angewiesen ist und gleichzeitig die Sicherheit und Zuverlässigkeit des Schienenverkehrs gewährleisten muss. Stärken der Norm liegen in ihrer Fähigkeit, eine Brücke zwischen bewährten Verfahren und neuen Entwicklungen zu schlagen. Die Klarheit der Richtlinien und die spezifische Anwendung auf die Softwareentwicklung für rollendes Material fördern nicht nur die Effizienz, sondern auch die Sicherheit im gesamten System. Die Norm ist somit nicht nur für Entwickler und Ingenieure von Bedeutung, sondern auch für Projektmanager und Entscheidungsträger innerhalb der Bahnindustrie, da sie eine Grundlage für die Risikoanalyse und Qualitätssicherung bietet. Die Relevanz der SIST EN 50657:2017/A1:2023 erstreckt sich über nationale Grenzen hinaus und unterstützt die Harmonisierung internationaler Standards in der Bahntechnik. Insgesamt stellt die SIST EN 50657:2017/A1:2023 einen wichtigen Schritt zur Standardisierung in der Bahnindustrie dar, der sowohl die Weiterverwendbarkeit bewährter Softwarelösungen als auch die Integration neuer Technologien in bestehende Systeme fördert.
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