All posts in " functional safety assessment "

How to avoid making mistakes with management of safety projects

By Jon Keswick, CFSE / August 30, 2018

Without effective functional safety assessment and audit, you may never know whether your safety system will perform when it is really needed. That is perhaps a bold statement, but read on if you think you disagree… Automated systems have been used in safety applications now for a few decades. As a result we should have some […]


Is functional safety assessment required in operation?

By Jon Keswick, CFSE / September 8, 2016

Functional Safety Assessment (FSA) has been a requirement in IEC 61511 – Safety Instrumented Systems for the process industry sector, since the first edition published back in 2003. An FSA is one of the clear activities required to claim compliance with the IEC 61511 standard. The stated objective is to ensure that functional safety and […]