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More and more automated
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Designed in
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so (probably) compliant with 61508-2 and 61508-3
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or part of the application programme - compliant with 61511
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If it runs fast enough and acts automatically
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it’s diagnostics
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so is lower
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which means longer proof test intervals
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But what about the systematic and common cause failures?
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Document what you want in the SRS
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Train Instrument Technicians for SIL like we do for ATEX
The Future of Proof Testing
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