CTAI S.r.l.


Safety PLC

For safety PLCs, in addition to the basic standard IEC/EN 61508, the specific standard IEC/EN 61131-6 is also applicable for functional safety.

In detail of these activities, in co-operation with certification bodies, CTAI can provide the following services:

  • Training courses on the application of standards
    • Definition of the necessary documentation
    • Requirements specification
    • Hardware and software design
    • Validation (integrity and functionality validation)
  • Functional safety assessments of safety devices
  • Software functional safety assessments
  • Performing of necessary tests and verifications
  • SIL certification of safety devices