Evaluation of Software Integrity Level - Omni 16C Products
Evaluation International published a draft report on software reliability of 5 alarm annunciators from different manufacturers, among them Omniflex. The aim of this EI report was to assess how closely each manufacturer met the requirements of EN61508, Part 3. The aim was not to certify the units to IEC 61508 but to evaluate how closely they align with IEC 61508. It was therefore based on information and other evidence supplied by manufacturers. Since BNG, who initiated this investigation, is an important customer for Omniflex, Omniflex has committed internal resource to assist BNG in determining and meeting the conformity of the Omni16c product range to their requirements and to applicable international standards. This Technical Report provides additional information required to clarify sections of the original EI report where information was found to be either missing or incomplete. Focus has been kept on test coverage issues and issues concerning software used in Omni16C alarm annunciator as well as the Omniflex software development process. Information provided in this technical report will allow the EIAA Report to be revised to improve the clarity of the relevant sections.
11.3 - Alarm units
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