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Entries tagged with: Safety Instrumented Systems

Are Your Control Systems Really Protected?

Are Your Control Systems Really Protected?

I don’t know whether you’ve noticed recently, but the number of cybersecurity alerts issued by CISA (Cybersecurity and Infrastructure Security Agency) seems to be increasing at an alarming rate.  The latest alert I’ve seen now relates to GPS tracking systems for children.  A device which is supposed to keep…

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Functional Safety Management Systems & Engineering Companies

Functional Safety Management Systems & Engineering Companies

In recent discussions with several engineering and integrators of Safety Instrumented Systems (SIS), it’s become very clear to me that the majority I have spoken to, don’t have any form of Functional Safety Management System (FSMS) in place.  This is interesting because one of the changes in the…

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How Secure Are Your SIS, BPCS, and/or SCADA Systems?

How Secure Are Your SIS, BPCS, and/or SCADA Systems?

As an end-user, do you know how reliable and safe your Safety Instrumented Systems (SIS) and Basic Process Control Systems (BPCS) are from potential cyber issues?  Do you rely on your vendor statements regarding the robustness of their products?  If the answer to these questions is “don’t know”…

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Making Use of Leading and Lagging Indicators – Are You Using These for Functional Safety?

Making Use of Leading and Lagging Indicators – Are You Using These for Functional Safety?

Some of you reading this may not be aware or familiar with the terms “leading” and “lagging” indicators, when applied to Functional Safety.  The concept isn’t new but does provide significant benefit when applying this to Functional Safety because, if used correctly, these indicators can help significantly improve performance. …

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Measuring Performance – Why Are We Not Doing This?

Measuring Performance – Why Are We Not Doing This?

Part of the changes to the IEC61511 standard in 2016, some five (5) years ago now, was to emphasize the need to do a better job with regards to the Operations and Maintenance phase of the safety lifecycle.  One of the key aspects of the Operation and Maintenance phase…

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Pipeline Safety and Security – Why are we still not prepared?

Pipeline Safety and Security – Why are we still not prepared?

It’s interesting that I had been preparing a webinar on pipeline safety and security since there have already been numerous incidents reported regarding pipeline accidents and leakage.  Now the latest incident concerning Colonial Pipeline and the ransomware attack by Darkside, a so-called extortion group,…

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What is Prior Use Justification?

What is Prior Use Justification?

When it comes to IEC61511 and the selection of equipment for use within Safety Instrumented Systems (SIS) and Safety Instrumented Functions (SIF), there are only two methods that can be used to justify selection: IEC61508 Certified devices for the required SIL or Prior Use Justification.  Just…

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