Criteria for the Application of IEC 61508:2010 Route 2H

This paper explains how exida applies the requirements of IEC61508:2010 Route 2H to its process of certifying devices for use in safety applications. Rather than having specific designs and a long list of specific rules that become obsolete, the IEC 61508 standard...

Comparing Certification under IEC 61508 1st Edition and 2nd Edition

An updated version of IEC 61508, Functional Safety of Electrical/Electronic and Programmable Electronic Systems was issued in September 2010.  This Second Edition is generally thought to clarify common interpretations of the first edition and add some refinements that...

Functional Safety and EMI

Electromagnetic Interference (EMI) is just one of the environmental stresses that can stop a system from performing its safety function. It is important for a functional safety system to be immune from the EMI levels that are likely to be present. Unlike other...

The exida 61508 / Cybersecurity Certification Program FAQ

The exida IEC 61508 Certification Program was established in 2005 in response to demand primarily from end users in the process industries and manufacturers of instrumentation products. There was a need to provide a higher quality of technical expertise with effective...