|
Functional
Safety, Introduction → Reliability vs. Safety IEC 61508 ISO 13849 IEC 61508 vs. ISO 13849 Summary |
There
is no clear difference between reliability and safety. Most systems
must
be both reliable and safe, however, the requirements going along with
reliability and safety can be very different and - given fixed total
cost - are often contradictory, if not mutually exclusive. |