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Handout 2
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Page 3
InstMC Functional Safety 2016Conference
Scope of Today’s talk
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The Importance of Systematic Safety Integrity
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Systematic Capability (SC) through the supply chain/ lifecycle
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How do product manufacturers achieve it?
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How does it relate to Certification & Device selection?
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Systematic Capability and SIS implementation
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Digitalisation and Functional Safety
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Summary
Restricted© SiemensAG 2013 All rights reserved.
Page 4
InstMC Functional Safety 2016Conference
Terminology .. Safety Integrity
3.5.4 safety integrity
probability of an E/E/PE safety-related system satisfactorily performing the
specified safety functions under all the stated conditions within a stated
period of time.
3.5.7 hardwaresafety integrity
part of the safety integrity of a safety-related system relating to random
hardware failures in a dangerous mode of failure.
3.5.6 systematic safety integrity
part of the safety integrity of a safety-related system relating to systematic
failures in a dangerous mode of failure.
NOTE Systematic safety integrity cannot usuallybe quantified (as distinct from hardware safety integrity which
usuallycan
).
Definitions from IEC61508-4 :2010
Safety Integrity
HardwareSafety
Integrity
Systematic Safety
Integrity