
The necessity to increase speed and density on the rail network and to harmonize the rail communication between
countries has led to multiple projects that try to build on the ERTMS (European Rail Traffic Management System)
which has been initiated by the European Commission and leading railway representatives in 2005. ERTMS builds on
ETCS and GSM-R. ETCS (European Train Control System) is the new control-command system and GSM-R is the new
radio system for voice and data communication.
The computers used in traffic management systems – from the signaling equipment outside up to the safety
management and communication systems inside the train – must be extremely safe. The safety standard that a system
must comply to is described by classes, called SIL levels (Safety Integrity Level). The universal standard IEC61508
defines SIL 4 as the level with the highest reliability down to SIL 1 with the lowest reliability. Measures to increase the
availability of a system include a variety of protection mechanisms built in hardware and often even redundancy of
the complete computer system or parts of it.
In addition to hardware measures the railway standards EN50126, EN50128 and EN50129 describe how development
and planning of development has to be carried out, how requirements are formulated (what has to be done) and
how requirements are translated into an architecture (how it shall be done) on system level. MEN uses the V-model to
develop its computer hardware, board-support packages and driver software.
Flying... higher and higher. Leave the world behind................ ........ You‘re feeling free.....free.....free.....fr....!
EN 50155 in Development
and Production
Flexible and Future-Safe
with FPGA Technology
System Solutions and
Packaging Technology
Standard Computer Boards
I/O Boards for Control and
Instrumentation
Fieldbus Solutions
Traffic Management Systems
Pentium
®
M 6U CompactPCI
®
Server Blade D6
Gigabit Ethernet XMC Module
P601
Custom 6U VMEbus Reflective
Memory Board
for ETCS Level 2 System
Custom Triple-Redundant
CompactPCI
®
System for
Signaling Control
Hardware Architectures for
Safety-Critical Applications
Passenger Information Systems
Application Samples
Short Product Overview
References
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