- by Loren Stewart, CFSE
- Tuesday, May 07, 2019
- Functional Safety
Back to Basics 06 – IEC 61508
In the following series of blogs, we'll go back to basics and run down everything you need to know to get started in functional safety. We'll start with some more general terms and descriptions and make our way to more advanced material.
IEC 61508: 2010 International Performance-Based Standard
- by Steve Gandy, CFSP
- Tuesday, October 29, 2013
Obtaining My CFSE/CFSP Certification: Why Bother?
It’s an interesting question and one I asked myself. For any engineer and/or professional working in the controls business or process industries where safety-related equipment is required, it is essential (per IEC61511-1 Clause 5.2.2: Organization and Resources) to prove competency to carry out any safety-lifecycle activities. So what does…
- by Dr. William Goble, CFSE
- Thursday, September 27, 2018
The New Technology in Logic Solvers
I heard about a “safety certified” PLC in the late 1980s at an ISA SP84 standard committee meeting. The “logic solver” (as they later called it) was the focus of attention in the field of functional safety back then. Many engineers even said, “My system is safe because I…