The protocol the Italian network is built on.
Protocollo Vitale Standard - Vital Standard Protocol: a safe and secure SIL 4 certified communication protocol based on SS-098, the RFI and CEI 9-206 standard.
NEAT / TECHNICAL ENGINEERING
HOW IT IS BUILT
A SIL 4 certified protocol. PVS is certified SIL 4, with the EN 50128 process completed, and is compliant with PVS revision F.
NEAT / PVS
- Safety layer
- Safe application intermediate
- Access protection
- Adaptation layer entity
- Transport adaptations over TCP and UDP
PROPERTIES
Implementation properties.
- ANSI C to MISRA-C:2012
- Self-contained, no external library dependency
- No system calls, no hardware access
- Test environment able to execute the software requirement and module test specifications
- Full documentation package
EN 50128 process completedCompliant with PVS revision F
REFERENCES
Where it is running.
- Interlocking and remote interface units
- Track circuits
- Train detection systems
- GRIO-based object controllers