QNX and MEN Micro: Safe Communication for Train Control System
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BLUE BELL, Pa. – MEN Micro Inc., a world-renowned provider of embedded computing and I/O solutions for mission-critical industrial, mobile and harsh environment applications, now offers a safe QNX BSP to ensure comprehensive safe communication between the control unit and the I/O in the new Modular Train Control System (MTCS).Â
The MTCS is an application-ready system platform in half 19" that allows safe control of all rail relevant actors and sensors, including doors, brakes, speed measurement data and complete vehicle control.
Available in a SIL 4-pre-certified configuration, MTCS is based on the F75P SBC to provide safe control of single functions as well as for complete train control.Â
The MH50C control unit, the main component of the MTCS, employs the F75P's three independent Intel processors: two dual-redundant CPUs as well as an independent processor that controls the I/O. This configuration allows the system to offer real-time Ethernet, safe I/O and connections to typical fieldbuses for railways, such as MVB or CAN.
While the correct output of the two redundant processors is guaranteed through a safe communication and compare layer, the safe QNX BSP ensures safe data transmission to the third CPU – the I/O unit.
The communication protocol of this third CPU was developed in accordance with EN 50159, which targets safety relevant communication in transmission systems. This ensures safe communication in the area known as the black channel, located between the control unit and I/O, for comprehensive, safe communication throughout the system.
Because of the partnership between QNX and MEN Micro, a SIL 4 certified solution for both the hardware and software is available from MEN Micro.
System Highlights:
•Â Safe Modular Train Control System (MTCS)
•Â Safe communication between CPUs and I/O through safe QNX BSP
•Â SIL 4 certified through available certification packages for hardware and software
For additional information, visit www.menmicro.com/products/19MH50C.html or contact Stephen Cunha, Phone: 215-542-9575; E-mail: Stephen.Cunha@menmicro.com.
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About MEN Micro Inc.
Since its founding, MEN Micro has focused on innovation, reliability and flexibility to develop standard and custom computing solutions that employ the highest technology levels. The company's computing solutions are used in harsh mission- and safety-critical environments found in the transportation (rail, road, air, sea) and industrial (automation, power energy, medical, mining) markets.
With more than 250 employees worldwide, MEN Micro provides a robust offering of highly reliable embedded COTS boards, rugged COMs, scalable box PCs, safe computers and supporting devices widely used in extreme environmental conditions.
In addition to its full customization support, the company's core competencies include x86 and RISC processor architectures, development rules for safe applications, analog I/O design, FPGA technology and Windows, Linux and real-time operating systems as well as RAMS and obsolescence management.
The company is certified to ISO 9001, ISO 14001 (environment), EN 9100 (aerospace) and IRIS (railway) quality management systems, provides systems according to ISO 7637-2 (road traffic) requirements and is a member of several industry associations, including VITA and PICMG.
