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Artesyn Embedded Technologies Fail-Safe Computer Systems for Railways

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Artesyn Embedded Technologies (Artesyn) supplies commercial off-the-shelf (COTS), fail-safe computer solutions to rail system integrators and application providers.

Artesyn’s ControlSafe™ Platform (CSP) can be deployed in safety application environments to protect rail infrastructure investments and it is designed to comply with the following industry standards:

  • Safety-related software: EN50128 SIL4
  • Availability, maintainability and safety (RAMS) processes: EN50126
  • Hardware: EN50129 SIL4

Compliant fail-safe systems for railways

Artesyn’s ControlSafe Platform is a cost-effective solution that enables all rail application developers and system integrators to substantially accelerate time-to-market without being deterred by the potentially high costs and the risks associated with the stringent SIL4 system development and certification process.

Artesyn aims to provide rail industry customers with an unmatched, highly reliable platform with a 15-year product life and 25 years of extended support and service.

Reducing railway downtime

Artesyn’s ControlSafe Platform is designed to deliver best-in-class system availability as high as 99.9999%, which means that downtime is limited to less than a few seconds a year.

Artesyn has successfully completed extensive modelling and analysis by its team of highly qualified staff throughout the development and testing stages. As a result, its ControlSafe Platform meets all the functional safety, reliability and availability requirements mandated by rail standards and specifications.

Fail-safe computing system implementation for rail operators

Due to Artesyn’s future-proof development philosophy, its ControlSafe Platform is modular, scalable and designed to seamlessly accommodate additional I/O interfaces and any upgraded processors required throughout a product’s lifecycle.

The ControlSafe Platform consists of two redundant ControlSafe computers (CSCs), which each deliver fail-safe operations. They are linked by a safety relay box (SRB) that monitors the health of the two CSCs, designating one as ‘active’ and the other as ‘standby’. The platform also controls fail-over operation between the two CSCs to deliver a fail-safe computing system.

The ‘active’ CSC controls the I/O via a customer application, while the ‘standby’ CSC runs the same application but has no ability to drive any output.

At the core of each CSC are two identical CPU boards that run in data lock-step mode and implement a two-out-of-two (2oo2) voting mechanism. The certified and field-proven VxWorks 653 operating system from Wind River provides safe partitions for customer applications.

Any discrepancy between these two CPUs causes the active CSC to declare itself unhealthy and signal its state to the SRB, which in turn causes the standby CSC to become active. The unhealthy CSC is taken out of operation and can be brought back into service once it has been repaired.

This health-and-safety architecture guarantees that there is no possibility of an incorrect output being driven to external equipment.

Software upgrades for rail safety systems

Artesyn provides a high-quality platform that is easy to use, scalable and upgradeable. Application processing is carried out on a modern Freescale QorIQ™ processor, which delivers a high level of performance, energy-efficient processing and required extended lifecycle support.

The ControlSafe Platform’s data lock-step architecture supports high-performance modern processors. It enables possible future processor upgrades while retaining the platform’s I/O.

Implementing the 2oo2 voting facilities in hardware allows application developers to migrate existing software with minimal modifications. An extensive set of well-documented application programming interfaces (APIs) provides access to system parameters and management facilities. This makes it easy for application developers and system integrators to monitor and control the system.

The Artesyn ControlSafe Platform includes I/O modules that provide interfaces to a range of communication protocols such as CAN, ethernet, ethernet Ring, UART and MVB.

All I/O modules have a common architecture based on the same Freescale CPU core and the same Wind River VxWorks 653 certified operating system, which simplifies the software development environment.

All I/O modules are accessed over ethernet, allowing a seamless distributed architecture where additional expansion can be contained in a remote chassis. All modules support remote online software and firmware upgrade without the risk of rendering a system inoperable.

About Artesyn

Artesyn has more than 30 years of experience serving a range of fault-tolerant industries, including global telecommunications networks, where it has deployed numerous products.

With experience comes a deep understanding of client’s requirements for on-time, consistent and high-quality products with excellent customer support, Artesyn delivers on all counts from its own factory and support experts.

Products features are supported with local system architects worldwide, as well as field application engineers, to keep clients on schedule.

In addition, Artesyn offer various services that designed to facilitate the release and deployment of new products.

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Press Release

Artesyn Extends ControlSafe SIL4 COTS Rail Computing Platform to Onboard Applications

At the SafeRail Congress today, Artesyn Embedded Technologies has unveiled the latest in its portfolio of SIL4 COTS computing systems for rail safety applications, the ControlSafe™ Carborne Platform.

White Papers

Trends and Drivers in Fail-Safe Architectures for Rail Systems

The market for embedded computing technologies in rail applications is following a similar trend as has been seen in other embedded market spaces.

Address
Artesyn Embedded Technologies

2900 South Diablo Way

Suite 190

Tempe

85282-3222

Arizona

United States of America

+1 888 412 7832 +1 602 438 5720 www.artesyn.com

Artesyn Embedded Technologies Images

Products and Services

Press Release

24 April 2017

At the SafeRail Congress today, Artesyn Embedded Technologies has unveiled the latest in its portfolio of SIL4 COTS computing systems for rail safety applications, the ControlSafe™ Carborne Platform.

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19 January 2017

Artesyn Embedded Technologies today announced a collaboration with Hyukshin Engineering a leading rail integrator in South Korea, for the development of rail signalling solutions based on Artesyn's ControlSafe™ Platform. The two companies have signed a memorandum of understanding (MOU) for broad cooperation on the development of safety integrity level 4 (SIL4) commercial-off-the-shelf (COTS) systems for train control and rail signalling.

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23 November 2016

Artesyn Embedded Technologies today announced Safety Integrity Level 4 (SIL4) certification for Artesyn Embedded Computing ControlSafe™ Expansion Box Platform with ControlSafe™ Expansion Box computer and ControlSafe™ EXB software.

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23 September 2016

At InnoTrans 2016, Artesyn Embedded Technologies unveiled the ControlSafe™ Expansion Box Platform a COTS computing system designed to be certified to SIL4, which can substantially accelerate time-to-market for the deployment of new and upgrades to train control and rail signaling systems.

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16 August 2016

Artesyn Embedded Technologies today announced Safety Integrity Level 4 (SIL4) certification for the Artesyn Embedded Computing ControlSafe™ Platform (CSP) with ControlSafe™ Computer (CSC) and ControlSafe™ Software, one of the first embedded computing systems to use commercial off-the-shelf (COTS) components to create a fail-safe and fault-tolerant computing platform for a wide range of train control and rail signaling applications.

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1 May 2015

At the Railtex exhibition, Artesyn Embedded Technologies will showcase its ControlSafe™ Platform, one of the first embedded computing systems to use commercial-off-the-shelf (COTS) components to create a fail-safe computing platform designed to be SIL4 certified for a wide range of train control and rail signaling applications.

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Regional Offices

Artesyn Embedded Technologies

2900 South Diablo Way

Suite 190

Tempe

85282-3222

Arizona

United States of America

+1 888 412 7832 +1 602 438 5720 www.artesyn.com

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