IEC
IEC 61511
Functional Safety — Safety Instrumented Systems for the Process Industry
The process sector application of IEC 61508: hazard and risk assessment, SIL determination, design of safety instrumented functions, and the proof testing that keeps a claimed SIL real in service.
This is an explanation, not the standard. PipingInspector is not affiliated with IEC and reproduces no part of the document. Always work to the current edition of the standard itself and to your project specification.
Where it is applied on this site
- Reading a P&ID — the drawing every discipline works fromInstrumentation & Control
- Safety instrumented systems and SIL — the layer that acts on its ownInstrumentation & Control
- Instrument installation and loop checking — where most readings go wrongInstrumentation & Control
- Alarm management — why an operator with 400 alarms has noneInstrumentation & Control
- Valve actuation and fail position — deciding what happens when everything stopsPiping