Artesyn Embedded Technologies has secured Safety Integrity Level 4 (SIL4) certification for its ControlSafe Expansion Box Platform with EXB software used for train control and rail signalling.

This commercial off-the-shelf (COTS) fail-safe and fault-tolerant computing platform is intended for a wide range of train control and rail signalling applications, particularly large-scale applications requiring substantial I/O processing capability.

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The platform can either be configured as a dual-redundant safety system or deployed as an I/O expansion subsystem.

Artesyn Embedded Technologies marketing vice-president Linsey Miller said: "Our second SIL certified computing platform for rail applications and an enthusiastic response to the ControlSafe portfolio at the recent Innotrans exhibition underlines the fact that Artesyn is the go-to company for SIL4 COTS solutions.

"We also had enquiries from companies outside rail with safety applications in industries such as mining and process automation."

"At the show, we had interest from integrators and developers of all kinds of rail systems and applications such as ETCS, CBTC, PTC, ATP, ATO, interlocking and radio block centre. We also had enquiries from companies outside rail with safety applications in industries such as mining and process automation that are looking to take advantage of COTS technology with the reassurance of SIL4 certification."

The ControlSafe Platform allows rail application developers and system integrators to speed-up time-to-market without being deterred by high-costs and risks linked with the SIL4 system development and certification process, which can take several years to achieve.

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Artesyn's ControlSafe Expansion Box Platform is certified to EN 50126 for reliability, availability, maintainability and safety (RAMS) processes; EN 50128 for safety-related software; and EN50129 for safety-related electronic systems.

It also implements data lock-step architecture and hardware-based voting mechanism that supports high-performance modern processors, and is modular, scalable and designed to accommodate additional I/O interfaces, as well as upgraded processors that will be needed throughout the product lifecycle.

In addition, the ControlSafe Expansion Box Platform enables application developers to migrate existing application software with minimal modifications.

The new ControlSafe Expansion Box Platform leverages the same technologies and safety architecture as Artesyn's original ControlSafe Platform, but has more capacity.

This platform will boost the expanding Artesyn ControlSafe product portfolio. 

The shared safety architecture makes it easy to transfer applications between the two and deploy a common platform for a wide range of rail signalling and train control applications.

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