https://emersonexchange365.com/emerson-exchange/f/event-announcements/3440/video-managing-the-lifecycle-of-safety-instrumented-systemsIn this 1 hour, 11 minute video , exida's Managing Partner, Dr. William Goble (left) and Emerson's Keith Bellville (right) discuss the IEC 61511 safety lifecycle and considerations for process manufacturers in managing this lifecycle at their facilitiesen-USTelligent Community 13Tue, 13 Sep 2011 19:32:31 GMT