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Handout 11
Restricted© SiemensAG 2013 All rights reserved.
Page 22
InstMC Functional Safety 2016Conference
Systematic Capability and IEC 61511 Ed 2.0
Restricted© SiemensAG 2013 All rights reserved.
Page 23
InstMC Functional Safety 2016Conference
Device Selection for IEC 61511
• IEC 61511 Ed 2.0 :2016 requires us to select devices with sufficient Systematic Safety
Integrity
• Devices assessed against IEC61508:2010 will have a declared Systematic Capability
• Prior use (IEC61511) offers an alternative route.
• SC needs to be considered as part of the overall SIL assessment
11.5.2 General requirements
11.5.2.1 Devices selected for use as part of a SIS with a specified SIL shall be in
accordance with IEC 61508-2:2010 and IEC 61508-3:2010 and/or 11.5.3 through 11.5.6,
as appropriate.
NOTE Devices assessed against IEC 61508-2:2010 and IEC 61508-3:2010 can be applied in accordance with the
requirements for systematic capability in IEC 61508-2:2010.