Probability of Failure on Demand (PFD)
Reliability, as previously defined, is the probability a component or system will perform as designed. Like all probability values, reliability is expressed a number ranging between 0 and 1, inclusive....
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Difference between Availability, Reliability & SIL
We often come across the above terms, and others, when we are talking about equipment and systems. All of them relate in some way to how well something will perform...
Safety Instrumented System Module Failure
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...