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Cross Reference Example
5
Objectives
To allocate the safety functions, contained in the specification for the overall safety requirements
(both the safety functions requirements and the safety integrity requirements), to the designated
E/E/PE safety related systems and other risk reduction measures; To allocate a safety integrity
level to each safety function to be carried out by an E/E/PE safety-related system.
IEC 61508
Part 1 Clauses
7.6.1
7.6.2
IEC 62061
Clause 5
5.2.1.3 – Specifications
for each SRCF shall
comprise the functional
requirement (5.2.3)and
the safety integrity
requirement (5.2.4)
ISO 13849
Clause 4
4.2.2 – For each safety
function the
characteristics and the
required performance
level shall be specified
Overall safety requirements allocation
InstMC Functional Safety Conference
11