Upon Close Examination It Appears That the Product Approval Process of IEC 61508 (1) Has Veered Seriously Off Course, Possibly Rendering Many Safety Instrumented System (SIS) Applications Less Reliable Than Expected or Required
Like Most End Users, I Truly Value the Credibility and Security That Organizations Such as Factory Mutual, the Canadian Standards Association, CENELEC and Their Ilk Bring to the
Devices We Use in Hazardous Environments. But Perhaps One Practice is Ready to Be Relegated to the ISA Museum of How We Used to Do Things. Heres Why.
This article provides you with the information needed to understand what is required to implement an intrinsically safe (IS) Foundation fieldbus H1 network in a classified hazardous area of your plant.
Contributing Editor Wayne Labs reports that the best way to reduce the risks of dealing with dangerous chemicals and equipment that can fail in manufacturing is to integrate safety and process systems from the start.
Contributing writer and controls technician Loren Jones proves in this “exclusive to the web” feature that he can’t keep his big mouth shut, and learns that just because you can doesn’t always mean you should.