Failure Modes, Effects and Diagnostic Analysis

2021-11-27
◆Purpose and Scope
■This document shall describe the results of the hardware assessment in the form of the Failure Modes, Effects and Diagnostic Analysis carried out on the YTA710 & YTA610 Temperature Transmitter. From this, failure rates for each failure mode/category, useful life, and proof test coverage are determined.
■The information in this report can be used to evaluate whether an element meets the average Probability of Failure on Demand (PFD-AVG) requirements and if applicable, the architectural constraints / minimum hardware fault tolerance requirements per IEC 61508 / IEC 61511.
■A FMEDA is part of the effort needed to achieve full certification per IEC 61508 or other relevant functional safety standard.

YOKOGAWA

YTA710YTA610

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Part#

Temperature Transmitter

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Application note & Design Guide

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February 27, 2020

Version V4;Revision R4

Q20/01-064

653 KB

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