All posts in " sis operations "
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Key safety instrumented system operations advice

By Jon Keswick, CFSE / June 12, 2018

Operation and maintenance procedures for Safety Instrumented Systems (SIS) will vary from company to company. However, there are some specific requirements that need to be covered for safe continued operation. The first blog on this topic discussed general operation and maintenance (O&M) requirements for sustaining the integrity of a SIS. This second article discusses the requirements […]

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10 things to know about SIS operations

By Jon Keswick, CFSE / June 4, 2018

How do you ensure a Safety Instrumented System in operation will maintain its original design integrity for a lifetime of 15+ years? The IEC 61511 (2016) safety life-cycle provides some brief guidance for operation and maintenance of a safety instrumented system (SIS) in clause 16. The stated objectives are to ensure that the validated system’s safety […]

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