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Nov 10, 2015

Modular Train Control System – Safe I/O Extension with Digital Inputs

The safe I/O board family around the MTCS Modular Train Control System is growing. The K2 card offers 16 digital inputs via optically isolated spring cage terminal blocks, EN 50155 conformity and functional safety up to SIL 4 within the MTCS system.

Safe binary inputs I/O card for modular train control
  • 16 digital inputs, 24 V, 48 V, 72 V, 96 V, 110 V
  • 1 to 10 mA, pulsed
  • Optical isolation from other cards
  • Fail-safe board architecture
  • Certifiable up to SIL 4 (with report from TÜV SÜD)
  • Developed according to EN 50129, EN 50128, IEC 61508 and EN 50155
  • Extensive supervision functions
  • -40 to +85°C qualified
  • Conformal coating

Safety up to SIL 4 for Digital Inputs

With a voltage range of 24 V up to 110 V conforming to EN 50155, the K2 as an I/O card within the MTCS Modular Train Control System can be immediately used for railway applications. The safe, SIL-4-certifiable card offers 16 binary inputs supported by extensive supervision functions and FSoE communication (Fail Safe over Ethernet) within the system.

The usage of vibration-resistant spring cage terminal blocks on the front facilitates low wiring outlay and enables fast installation. The pulsed input of 1 to 10 mA protects the contacts from wetting voltages and therefore wear-related failures.

The MTCS family consists of the MH50C controller unit together with the safe, SIL 4-certified CPU board F75P and up to 6 I/O cards. For more complex applications or if the places of operation are far away from each other the control unit can be extended by up to 63 remote I/O boxes.

The MH50C controller unit as well as the remote I/O boxes can be flexibly configured with the new I/O boards regarding their number and functionality. Beside the K2 also I/O boards for digital outputs and frequency inputs will be available. All components can be plugged and removed independently from each other in a system, making it possible to exchange cards or do a new configuration very easily.

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.

MEN press documents are archived on this web site for historical purposes. Information in the documents is accurate at the time of release. However, product specifications and other specific information may change over time. Some information about product pricing and availability may be limited to specific geographic areas and may differ in other areas. Information as stated in the document may or may not be in effect after the date of the release.In addition, press documents may contain statements that are forward-looking. These statements are based on current expectations as of the date of a particular release. Actual results may differ materially from those projected because of a number of risks and uncertainties.

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