Safety-related bus systems

 
Topic 

Safety-related bus systems 

 

Scope 

The training unit  is an introduction to techniques and methods of safety buses. It is intended for all those who either use or develop safety relevant buses.

 

Contents  

Data types and services of field buses

 

Data transfer via Ethernet

 

Error assignment during data transfer

 

Measures for error detection

 

Methods and techniques for error control

 

Typical safety-related bus systems

 

Methods for data protection

  • CRC
  • Cross check
  • Hamming codes
  • Optimal data types

 

Safety-related services

  • Data receipts
  • Data recapitulation
  • Fail-safe transfer
  • Watchdog method
  • Time synchronization

 

Design of optimal formats

  • Data contents and data length
  • CRC development

 

Calculation of residual error probability

 

Applications

 

Typical topologies

 

Examples and calculations

 

Safe wireless connections

  • Radio technology
  • Differences to wired communication

 

Duration  1 day