The IEC 61511 offers two different routes to end users for component selection to be used into Safety Instrumented Function. Either on site proven in use or certified component according to the IEC 61508. These two routes have different impact on requirements and cost. How does it affect the end users and what manufacturers need to supply their customers to meet full requirements?
Michaël Grossi – INERIS-CFSE of PRelectronics (DK) namens Vierpool