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Technical rule [CURRENT]

VDI/VDE 2180 Blatt 3:2019-09

Functional safety in the process industry - Verification of probability of failure on demand (PFD)

German title
Funktionale Sicherheit in der Prozessindustrie - Nachweis der Ausfallwahrscheinlichkeit im Anforderungsfall (PFD)
Publication date
2019-09
Original language
German, English
Pages
23

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Publication date
2019-09
Original language
German, English
Pages
23

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Short description
Based on VDI/VDE 2180 Part 1 and Part 2, this standard describes the verification of a specified safety integrity level for a planned or already existing technical implementation of a safety instrumented function. Both the structural requirements (confirmation of the required hardware fault tolerance) and the calculation of failure probabilities of safety instrumented functions are described. In this context, function tests with different test intervals and depths and their effect on the failure probabilities are also dealt with in detail.
Content
ICS
25.040.40, 35.240.50
Replacement amendments

This document replaces VDI/VDE 2180 Blatt 4:2010-07 .

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