DRAFT B - August 2020
© NEI 2020. All rights reserved. nei.org 14 containing SIL 3 certified software as defined by IEC 61508. The platforms reviewed had a cumulative operating history of over 1.6 billion hours. The researchers found no instances of software CCF in any of the SIL 3 certified platforms. The report concluded that SIL certifications appear to bean accurate indicator of software reliability at the platform level. Based on
the results of the EPRI report, SIL 3 systematic capability has been selected as a reasonable benchmark to excluding platforms for software CCF consideration.
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