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Dec 03, 2015

Safe Remote I/O Box for MTCS Modular Train Control System

The KT8 extends the I/O functionality of the MTCS modular train control system, offering space for up to 8 I/O cards. These can be configured flexibly on a built-to-order basis. Just as its corresponding MTCS control unit, MH50C, the system is certifiable up to SIL 4.

  • Remote I/O box for MTCS Modular Train Control System
  • Certifiable up to SIL 4
  • With safe, pre-certified I/O boards
  • Communication via real-time Ethernet
  • Compact 19"-based enclosure
  • Complying with EN 50155

Safe Communication via Real-Time Ethernet

The KT8 safe remote I/O box is an extension of the MH50C control unit within the MTCS family and can be configured with up to 8 different I/O boards. The MH50C can control up to 63 of such remote I/O boxes and fulfill tasks in very complex applications or connect places of operation which are far away from each other onboard rolling stock.

The communication inside the MTCS is realized via safe real-time Ethernet - no matter whether it is between the MH50C controller and the remote I/O boxes or with its safe I/O boards.

The MH50C and I/O boxes are connected via a ring topology, allowing the devices to be controlled from two directions. In case one of the components fails or a broken cable obstructs the communication, another connection via the other direction of the ring is available. This considerably raises the safety of the system.

Both, the MH50C control unit as well as the remote I/O devices can be flexibly configured with the new safe I/O boards regarding their number and functionality. At the moment boards for digital input and output as well as for frequency inputs are available.

The 19-inch-based KT8 complies with the EN 50155 railway standard and is certifiable up to SIL 4, as are all MTCS components. Certification packages for the single I/O components simplify the certification of the complete system.

MTCS, the Modular Train Control System from MEN, builds on standardized electronics and a standardized interface to the software application, and is therefore the very first open computer platform for automatic train operation and protection. Both operators and supplier benefit from noticeably lower system costs – not only for certification but also due to independence of suppliers regarding maintenance and life cycle management.

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