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1.8. Reference
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IEC 61508 Edition 2 ( International Standard of rules applied in industry, titled Functional Safety
of Electrical/Electronic/Programmable/Programmable Electronic Safety-related Systems)
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IEC 61511 ( International Standard of rules applied in process industry, titled Functional Safety
– Safety Instrumented Systems for the Process Industry Sector)
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EASHW (European Agency for Safety and Health at Work)