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Signal boxes and railway infrastructure

Development and integration of interlocking functions (ESTW/DSTW)
Development and integration of RBC functions
Passenger information systems (FIS)
Programming (PLC, high-level language, IoT)

Development and integration of interlocking functions (ESTW/DSTW)
Preliminary planning, design and implementation planning for ESTW/DSTW systems including risk analyses
Inventory and inventory planning to document the existing infrastructure and systems
Integration of ETCS Ready requirements into interlocking planning
PT1 and PT2 planning for phase-oriented and structured project implementation
Integration of STE systems (signalling, telecommunications and electrical systems)
Setting up the communication infrastructure (KISA) for security-relevant applications
Commissioning and documentation in accordance with HOAI, VOB and IBG for complete legal and technical acceptance and verification

Development and integration of RBC functions
Analysing and implementing the DB specifications (BTSF3, Part-LH 1, 5, 7) to comply with all standards
Dual equipment of RBC systems to ensure redundancy and reliability
Modelling and development of feature-based architectures for RBC systems and ETCS applications
Planning and management of ETCS-specific data points (data point tables, overview plans, Muka signals, ...)
Definition of entry and exit points and transitions in RBC for efficient route and operational planning
CENELEC-compliant planning and documentation to fulfil European safety standards
Integration of GSM-R communication systems for end-to-end data transmission in the train radio range

Passenger information systems (FIS)
Planning and implementation of passenger information systems (analysis of requirements, design, engineering)
Adaptation and integration of new FIS solutions into existing station and route infrastructures
Development and customisation of the FIS software for individual needs and regional requirements
Creation and optimisation of interfaces for real-time transmission of passenger information
Ensuring seamless communication between FIS and safety-relevant systems
Measures to secure passenger data and protect FIS systems from cyber threats
Carrying out functional tests and validations to ensure the reliability and accuracy of passenger information

Programming (PLC, high-level language, IoT)
Development and use of PLC-based and high-level language-based software systems
Use of PLCs for safety-critical and deterministic control tasks
PLC software for interlockings (e.g. ESTW/DSTW) and for direct system controls
High-level language programming (C, C++, Java, Python) for more complex signal control systems and networked infrastructures (RBC, ETCS)
High-level language programming for subsystems and for diagnostic and monitoring applications
Development of IoT sensor technology for the continuous monitoring of railway infrastructure (tracks, points, signals, interlockings, bridges).
IoT integration into existing railway systems via standardised communication protocols (e.g. MQTT, OPC UA).