Other: O1.2.2.3.3.4.4.3.2.1.1.1.1.3.3

Other O1.2.2.3.3.4.4.3.2.1.1.1.1.3.3 Assumption

Parent nodes:

Supports Argument: A1.2.2.3.3.4.4.3.2.1.1.1.1.3 A process which is commensurate with IEC 61508 based on the claim made on the SIF's SSCs has been followed and independently reviewed
Supports Argument: A1.2.2.3.3.4.4.3.2.1.1.3.1 A combination of analyses has shown that the SIF's SSC meets its reliability targets

Child nodes:

The failure rate of the SIF is limited only by the software and that the software has been designed, implemented and verified in such a way to attribute a failure rate to the CBSIS (computer system inc. application, interpreter, OS and hardware)