Was not the response I was expecting to hear from an audience member during my presentation on new SIS (safety instrumented system) hardware development at this week’s ISA Expo.  He obviously was concerned over my suggestion that with new SIS technology there’s no degradation of safety when you have a partial shutdown and, ...

Working in and around process safety applications for most of my professional career (just under 20 years), I've enjoyed watching, discussing and participating on many technical challenges and advances regarding safety instrumented systems (SIS).  Now as we begin a new year, a new wave of technology is beginning to unfold that will ...