Safety Instrumented System Diagnostics to Prevent, Not Initiate Safety Trips

Emerson’s Mike Boudreaux pointed me to a great blog post by exida’s Principal Partner, Dr. William Goble. The post, I Don’t Want No D*** Diagnostics! describes how automatic diagnostics in a safety-rated transmitter led to a false trip, much to the displeasure of the impacted control engineer and plant staff. Dr. Goble describes the incident: [...]