Interlocking systems
Enabling safe rail operations around the globe. Interlockings ensure safety. They check that rail sections are free, determine routes, and provide information on movement requests and train speeds. With the Trackguard portfolio, Siemens supplies modern, compliant interlocking solutions for all needs.
Enabling safe rail operations around the globe. Interlockings ensure safety. They check that rail sections are free, determine routes, and provide information on movement requests and train speeds. With the Trackguard portfolio, Siemens supplies modern, compliant interlocking solutions for all needs.
Digital interlockings – the future is already here
Innovation and research
Rail mobility should remain one of the safest and most environmentally friendly modes of transport. This requires continuous innovation and development. To do this, Siemens promotes the implementation and further development of norms such as EULYNX, a European initiative for standardizing signaling components and interfaces.
Preconfigured installations
Siemens also supplies turnkey electronic interlockings as preconfigured container solutions, which have been tested at a dedicated test center. These modular containers play a key role in cutting time and costs for installation and commissioning – thus helping reduce investment costs.
Testing and simulations
The testing and simulation rigs at Siemens' system test center lead to optimized equipment design as early as the development phase. They are also used for analyzing problematic cases and for training customer personnel.
Product lifecycle and support
Efficient servicing and diagnostics facilitate smooth operations. Maintenance, repair and replacements are available practically everywhere, thanks to Siemens' global presence. In addition, many installations, systems and solutions can be altered or expanded step by step – thus reducing interruptions to a minimum.
Interlocking solutions for mainline and mass transit
Trackguard Simis W
The system architecture of Trackguard Simis W enables interlocking systems to be configured from individual elements. This simplifies customized interlockings from small solutions to major installations with 1,000 controlled elements. The modular hardware basis allows the direct connection of outdoor elements to computer boards and to the Eulynx object controller.
Digital interlocking
Europe’s first DSTW began operation in April 2018, ushering in a revolution for rail control and safety systems. The solution, which is being used in Annaberg-Buchholz on the Erzgebirgsbahn in southeastern Germany, is an important step toward interlockings in the cloud. For the first time ever, an interlocking transmits its IP-based commands to the system’s field elements, such as points and signals. This allows completely new flexibility in planning, makes it possible to use intelligent field elements, and will generate positive cost effects over the longer term. All this is achieved, while meeting the strictest safety standards for operations. The new interlocking technology is a milestone in the digitalization of rail infrastructure and will be the basis for higher capacities and improved punctuality in rail transport.
Trackguard Westrace Mk II
Trackguard Westrace Mk II is a highly flexible, microprocessor-based interlocking system suitable for urban and mainline applications. With its straightforward configuration using ladder logic to deliver almost any vital functionality, the system provides real benefits to railway authorities in terms of cost of ownership, capability and flexibility. In addition, Trackguard Westrace Mk II offers high maintainability and availability proven by installations worldwide.
Trackguard Westrace Urban (Mass Transit)
Trackguard Westrace Urban for mass transit railways is the optimum platform for route protection in light railway projects. It has been developed for signaling areas with up to 100 controlled elements. Trackguard Westrace Urban is based on fail-safe Simatic software and hardware modules.
Trackguard Simis D
The Trackguard Simis D fail-safe microcomputer interlocking designed for Deutsche Bahn is a high-availability, high-reliability electronic interlocking solution. Due to its modular hardware and software, it is also extremely versatile. Both simple regional and line interlockings as well as complex junction interlockings can be implemented using this system.
Trackguard Simis IS
Trackguard Simis IS represents an economical solution for interlocking systems in mainline and regional traffic and for industrial railways all over the world. It is based on the tried-and-tested Simis safety principle from Siemens. Thanks to its compact, modular design, this new interlocking generation can be adapted quickly and easily to local conditions and the operational requirements of the particular railway company. In designing Trackguard Simis IS, specific attention was paid to flexible interfaces for both existing and future systems and components.