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Slide 38
InstMC FS2016 V1.3
Nicol Instrument Engineering Limited
Summary
Cancels and replaces the prior edition.
Introduces clarifications and tightening up on the
requirements for functional safety systems.
Puts emphasis on life-cycle, and that the user needs
to assure systems are still performing to the
requirements and assumptions made at design stage.
Adds security risk assessment to identify the security
vulnerabilities and design for this in the SIS.
Clarifies on requirements for the basic process
control system as a protection layer.
Changes the requirements for hardware fault
tolerance.