3. IEC/IEC 61508 and 61511 standards
The
bibliography provides an overview and some rules for implementing IEC/IEC 61508 and IEC/IEC 61511.
Part 5 of IEC/IEC 61508 describes the risk graph as a means of identifying SIL.
Part 3 of IEC/IEC 61511 presents two methods for calculating SIL: risk graph and LOPA (Layer of Protection Analysis). To find out more about these methods, visit
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IEC/IEC 61508 and 61511 standards