The product and service roadmap sessions are typically the most highly attended sessions at Emerson Exchange. Attendees are anxious to understand the forward paths for these products and services. You might have already read about this year's DeltaV SIS roadmap...
IEC 61508
Control Systems for SIL 1 Safety Applications?
I received a great question today about the safety integrity level (SIL) of a distributed control system (DCS). In this case, the question was specific to the DeltaV system: Can you please advise if the Emerson DeltaV DCS has a SIL rating i.e. '0' or '1'? I understand...
Comparing and Contrasting Process Safety and Cyber Security
Automation World has a great article, Security and Safety Follow Parallel Paths, which compares and contrasts process safety and cyber security, from a risk management perspective. In an earlier post, I described the ISA99 Working Group 7 (WG7) efforts to look at the...
The Question of Common, Integrated, and Interfaced Safety Instrumented Systems
The question of integration with respect to safety instrumented systems (SIS) and basic process control systems (BPCS) continues unabated. Emerson's Mike Boudreaux alerted me to a great article, The Question of Integration, in the June issue of Control Engineering...
Final Control Element Partial Stroke Testing
Emerson's Riyaz Ali, whom you may recall from earlier posts, wrote an Inside Functional Safety article recently titled, Digital Technology: A remedy for sick shutdown valves in Safety Instrumented System (SIS) applications. The paper is available for purchase from...
Methods for Testing Safety Critical Loops
A big thanks to Emerson's Mike Boudreaux for his guest post while I'm out this week. Jim is on vacation this week. He knows that I always have something to say about process safety and functional safety, and so he's agreed to let me to fill in for him as a guest...
Safety and Security Standards Developments
Emerson's Mike Boudreaux pointed me to a great article written by ISA84 committee member, Paul Gruhn. The article, Safety, Security groups form joint working group, describes the reasons for the ISA84 Process Safety standards group and the ISA99, Industrial Automation...
Primer on Safety Instrumented Systems and Process Safety
The Flow Control magazine website has a great Safety Instrumented Systems Primer interview with Emerson's Mike Boudreaux. You may recall Mike and his views on process safety and safety instrumented systems in earlier posts. If you're not already steeped in the...
Positioners and Partial Stroke Tests in Safety Applications
InTech magazine has a web exclusive on the importance of safety valves in a safety instrumented system. The article, Valve failure: Not an Option, describes methods of implementing partial stroke testing (PST) to reduce the probability of failure upon demand, average...
The Prescriptive Approach to Process Safety for Oil & Gas Producers
Emerson's DeltaV SIS product manager, Mike Boudreaux, whom I've featured in several process safety-related posts, manages two great sources of information on safety instrumented systems (subscribe) and process safety. My subscription to the safety instrumented systems...
Considering the Tradeoffs in Safety-Certified Sensors
Emerson's Dale Perry alerted me to a great article on safety-certified sensors in the November 2008 issue of Control Engineering magazine. Dale manages the Rosemount pressure measurement line of products. The article, Practice Safe Sensing; Safety-certified sensors...
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