Posts Tagged ‘de-energize to trip’

Q and A on Digital Valve Controllers and Solenoids in Safety Applications

Posted in Final Control Element, Safety on Tuesday, August 21st, 2012. No comments yet
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A reader emailed some great questions to an earlier post, Clarifications on the Use of the DVC6000 SIS in Safety Applications. The post, featuring the thoughts of Emerson’s Riyaz Ali, addressed misconceptions about the use of digital valve controllers and solenoids in safety instrumented functions (SIFs). I turned to Riyaz to help me address the […]

Clarifications on the Use of the DVC6000 SIS in Safety Applications

Posted in Final Control Element, Safety on Thursday, December 1st, 2011. 3 comments so far
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I had the chance to catch up with Emerson’s Riyaz Ali at the Emerson Exchange last month in Nashville. You may recall Riyaz from many process safety-related posts. In his conversations with process automation and safety professionals, he has been encountering some misconceptions he hoped we could clear up in this post. These misconceptions surround […]