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SIL4 Certified

Compliant with EN 50128 & 50716

Railway Safe Transport Application

RaSTA Stack

Sichere, zuverlässige Kommunikation für moderne Bahnsysteme.
Unser SIL4-konformer Protokoll-Stack bildet das Fundament für EULYNX-Feldelemente.

RaSTA-Stack v2
RaSTA-Stack v2
RaSTA-Stack v2
SIL4

Safety Integrity Level

5+

Object Controller Types

20+

Control Unit

What is RaSTA?

RaSTA (Railway Safe Transport Application) is a communication protocol according to EN 50159 that enables secure data transmission in railway applications. It forms the basis for EULYNX communication between interlockings and field elements.

Features & Benefits

The RaSTA stack has been developed to meet the highest standards in safety-critical railway applications.

SIL4 Compliance

Designed according to EN 50159 to meet the highest safety requirements in railway operations.

SIL4 Compliance

Designed according to EN 50159 to meet the highest safety requirements in railway operations.

Secure Communication

Encrypted data transmission via Black Channel.

Secure Communication

Encrypted data transmission via Black Channel.

Real-time capable

Deterministic communication for time-critical railway applications.

Real-time capable

Deterministic communication for time-critical railway applications.

Modular Architecture

Flexible integration into various hardware platforms.

Modular Architecture

Flexible integration into various hardware platforms.

Configurable

Adaptable to various use cases and system requirements.

Configurable

Adaptable to various use cases and system requirements.

Version: v1.1.0. (latest)

Technical Implementation

The RaSTA-Stack Library is implemented in ANSI-C and runs on various embedded platforms. Its modular architecture allows for easy integration and adaptation to specific requirements.

ANSI-C implementation for maximum portability

Support for microcontrollers, Linux, and other platforms

Extensive unit and integration testing

Little and Big Endian compatible

Documentation according to EN 50716

Multiplatform

Embedded & Linux

Multiplatform

Embedded & Linux

Minimal Footprint

Optimized for MCUs

Minimal Footprint

Optimized for MCUs

Documented

Compliant with EN 50716 (formerly EN 50128)

Documented

Compliant with EN 50716 (formerly EN 50128)

SIL4 assessed

integrable as a software library in SIL4 products

SIL4 assessed

integrable as a software library in SIL4 products

Next Level: v2 is in development!

The next generation of RaSTA is ready to launch. Here is an overview of the key innovations and technical highlights of the upcoming v2. Benefit from greater flexibility and the highest security standards.

Contact us
Contact us
EN 50716

Certified according to the latest standards

EN 50716

Certified according to the latest standards

Bug fixing

Continuous Troubleshooting

Bug fixing

Continuous Troubleshooting

More Connections

Management of more concurrent instances

More Connections

Management of more concurrent instances

Single configuration

Individual parameterization per connection

Single configuration

Individual parameterization per connection

Memory optimization

Configurable number and size of buffers

Memory optimization

Configurable number and size of buffers

Multi-packages

Multiple data packets in a single RaSTA message

Multi-packages

Multiple data packets in a single RaSTA message

Performance

Increase in overall performance

Performance

Increase in overall performance

SIL4 assessed

integrable as a software library in SIL4 products

SIL4 assessed

integrable as a software library in SIL4 products

Resources

Resources

RaSTA-Stack GitHub
GitHub Documentation

Reference Projects

The RaSTA Stack is already successfully deployed by leading railway operators.

SBB

RaSTA Protocol Stack

Development and integration of the SIL4-compliant RaSTA stack for the EULYNX PoC platform of the SBB.

Compliant with EN 50129

C Implementation

Extensive test coverage

SBB

RaSTA Protocol Stack

Development and integration of the SIL4-compliant RaSTA stack for the EULYNX PoC platform of the SBB.

Compliant with EN 50129

C Implementation

Extensive test coverage

DB

Moving Block Demonstrator

Integration of CSA Engineering field elements into the DB demonstrator for new interlocking technology.

Real-world conditions

Interoperability

Field Validation

DB

Moving Block Demonstrator

Integration of CSA Engineering field elements into the DB demonstrator for new interlocking technology.

Real-world conditions

Interoperability

Field Validation

SBB

EULYNX Field Elements

Development of object controllers for switches and signals based on the RaSTA stack.

STM32F4 Hardware

2oo2 Logic

SBB

EULYNX Field Elements

Development of object controllers for switches and signals based on the RaSTA stack.

STM32F4 Hardware

2oo2 Logic

Anonymous (NDA)

Object Controller

Technical consultation and development of system requirements for the Object Controller of the entire software and hardware.

Technical Consulting

System Requirements

Anonymous (NDA)

Object Controller

Technical consultation and development of system requirements for the Object Controller of the entire software and hardware.

Technical Consulting

System Requirements

SBB

RaSTA Protocol Stack

Development and integration of the SIL4-compliant RaSTA stack for the EULYNX PoC platform of the SBB.

Compliant with EN 50129

C Implementation

Extensive test coverage

SBB

EULYNX Field Elements

Development of object controllers for switches and signals based on the RaSTA stack.

STM32F4 Hardware

2oo2 Logic

DB

Moving Block Demonstrator

Integration of CSA Engineering field elements into the DB demonstrator for new interlocking technology.

Real-world conditions

Interoperability

Field Validation

Anonymous (NDA)

Object Controller

Technical consultation and development of system requirements for the Object Controller of the entire software and hardware.

Technical Consulting

System Requirements

View All Projects
News Hub
News Hub

Stay informed about new releases, features, and bug fixes of the RaSTA stack.

Stay informed about new releases, features, and bug fixes of the RaSTA stack.

To the News Hub
To the News Hub
RaSTA
Stack
v2