Functional Integrity Certification examines functional safety, security and availability attributes of an automation product

Source: PlantServices.com

Oct 19, 2009

exida offers a holistic evaluation of the most important attributes of an automation product — functional safety, functional security and availability.

exida’s Functional Integrity Certification is an independent, third-party assessment that examines functional safety, security and availability attributes of an automation product through assessment of its design, testing and manufacturing. The program also scrutinizes how a product performs under stress, in the field and over time.

For functional safety, a product and its development process are evaluated per the international standard IEC 61508 to determine its Safety Integrity Level (SIL). The SIL level is a measure of the probability that a product will perform its intended protection function when needed.

Functional security assesses a product’s resiliency to intentional or accidental manipulation that could cause it to behave differently than was intended. A combination of network robustness testing, security feature assessment and software development process assessment helps detect and avoid vulnerabilities and systematic design faults. The certification is based on the ISA Security Compliance Institute (ISCI) Embedded Controller Security Assurance (ECSA) test specification.

Finally, an availability assessment ensures the dependability of automation products in critical applications. exida uses modeling and probabilistic methods, combined with empirical data, to help predict product reliability.

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