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The concept of functional safety

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| 2020-06-22|Return

What is functional safety? Functional safety is a component of overall safety related to EUC or EUC control systems, which depends on the correct functioning of electrical/electronic/programmable electronic (E/E/PE) safety systems, other technical safety systems, and external risk reduction facilities.

How to exercise it correctly? The main content includes two aspects: management and technology. Ensure that the E/E/PE safety system, other technical safety systems, and external risk reduction facilities can perform safety functions when needed, both technically and administratively.

In the field of process industry such as petrochemicals and chemical engineering, safety instrumented systems are used to describe safety related systems. SIS (Safe Instrumented Systems) is an instrument system used to implement one or several instrument safety functions, which can be composed of any combination of sensors, logic solvers, and terminal components A Safety Instrumented Function is a safety function that has a specific SIL and is used to achieve functional safety. It can be a safety protection system or a safety control system.

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