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Sep 21, 2016

menTCS Safe I/O Board SIL 2 to SIL 4, 8 Safe Digital Outputs and Low-Side Switching

The K7 is a safe digital output card for use in a modular MEN Train Control System. menTCS is a platform to perform safe train control functions, focusing on rolling stock applications like Automated Train Operation (ATO) or Automated Train Protection (ATP). It usually consists of the MH50C menTCS controller system and safe remote I/O boxes, e.g., KT8. The K7 can be a part in any of these systems, with one card providing 8 digital outputs.

Safe, Certified Railway I/O

Developed according to EN 50129/EN 50128, K7 boards can be used for SIL 1, SIL 2, SIL 3 and SIL 4 applications.
All menTCS I/O components come with dedicated SIL 4 certification packages from TÜV SÜD, reducing the integrator's certification effort and risk, and resulting in lower integration costs.

Functional Safety Design

With a dedicated onboard supervisor and FSoE features (Fail Safe over Ethernet), the I/O board is equipped with all the mechanisms required to provide protection in functionally safe systems. The I/O card reacts to be fail-safe: it enters the safe state if it detects an error.

In-System Connection using Real-Time Ethernet

menTCS I/O boards are physically shorter than a 3U CompactPCI board. Inside a menTCS system, these cards connect to the backplane using an extension. This links them to the menTCS EBUS, power supply, and address lines, allowing safe real-time Ethernet communication within the system.

Front I/O is connected via spring cage terminal blocks for fast installation thanks to reduced wiring.

EN 50155 Rolling Stock Compliance

The K7 supports the voltage ranges defined by EN 50155 for railway applications. Being usable in all types of different trains optimizes the I/O board's interoperability. Its operating temperature complies with the class TX specifications of -40 to +70 °C (10 minutes up to +85 °C). Standard boards include conformal coating.
Along with its full EN 50155 compliance and long-term availability of a minimum 10 years, the K7 is a rail-ready I/O component.

Safe Software Concept

All menTCS components are supported by certified QNX BSP and driver software.

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