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Safety Instrumented System Module Failure

S Bharadwaj Reddy
The international standard IEC/EN 61508 has been widely accepted as the basis for the specification, design and operation of safety instrumented systems (SIS). As the basic standard, IEC/EN 61508 uses

Safety Instrumented System Interview Questions and Answers

S Bharadwaj Reddy
Read the following Safety Instrumented System Interview Questions and Answers useful for interview preparation. Safety Instrumented Systems must be independent from all other control systems that control the same equipment in

Basics of Wellhead Control Panel (WHCP)

S Bharadwaj Reddy
WHCP: Wellhead Control Panel WHCPs are also known as Shutdown Panels (SDP), Emergency Shutdown Systems (ESD) or Hydraulic Safety Shutdown System (HSSS). These are failsafe shutdown systems which have pneumatic/hydraulic/electric components;

Understanding Safety Integrity Level IEC 61511

S Bharadwaj Reddy
IEC standard 61511 is a technical standard which sets out practices in the engineering of systems that ensure the safety of an industrial process through the use of instrumentation. Such

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