If you own or operate any electrical / electronic or programmable system that has safety functions with a SIL (safety integrity level) rating, then you need to conduct periodic functional safety audit or FSA 4.I hear you say, “functional safety audits and functional safety assessments are not a requirement, our installation pre-dates these new-fangled standards!”. Read

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Achieving complete compliance with “risk-based” functional safety standards like IEC 61511 is a great objective to have, but is it, in fact, possible?

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If you are responsible for a Safety Instrumented System (SIS) with Safety Integrity Level (SIL) rated functions, then you might be wondering where to start with cybersecurity standards for industrial automation and control systems (IACS).

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Perhaps you have installed safety systems which date from the 1990’s or early turn of this century. If so, you might be wondering whether you need to follow IEC 61511 edition 2 for Safety Integrity Level (SIL) conformance?

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The recently updated process sector safety instrumented system (SIS) standard IEC 61511 now requires that a “security risk assessment is carried out to identify security vulnerabilities of the SIS” [1]. But how should such an assessment be approached*, and what can you do to prepare for it?There have been well publicized examples of cyber-security breaches

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The process sector standard IEC 61511 edition 2 (also known as ISA 61511 in the USA) gets used in applications for safety instrumented systems. Applications are wide-ranging in producing chemicals, oil and gas, pulp and paper, pharmaceuticals, food/beverage, and non-nuclear power generation.Why the Update?The original standard is from the early 2000s, so IEC 61511 edition

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