ISA84 approves IEC 61511, moves ahead on key supporting guidelines

摘要

ISA84, Instrumented Systems to Achieve Functional Safety in the Process Industries, has approved the newest edition of IEC 61511 as ISA and American National Standards Institute (ANSI) standards. The new standards will be designated in the U.S. as ANSI/ISA-61511, Functional Safety - Safety Instrumented Systems for the Process Industry Sector, Parts 1-3. The standards set forth requirements for the specification, design, installation, operation, and maintenance of a safety instrumented system (SIS) so that it can be entrusted to achieve or maintain a safe state of a process.