CyberCertPrepOT Security FundamentalsOT Fundamentals: Safety Systems & Physical SecurityEASYFree question
A process plant in the United States wants the standard that applies IEC 61508 principles to SIS users in the process sector. Which pairing is correct?
- A.IEC 61511 adopted in the US as ANSI ISA 84
- B.IEC 62061 which targets machinery safety systems
- C.IEC 61850 which targets substation communications
- D.ISA 95 which targets enterprise integration
Why A is correct
IEC 61511 is the process sector standard for SIS and ANSI/ISA 84 is its US adoption. IEC 62061 is for machinery, IEC 61850 is for substation networking and ISA 95 is about enterprise and control integration.
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