Slide 32
InstMC FS2016 V1.3
Nicol Instrument Engineering Limited
SIS safety validation
Planning shall be carried out throughout the SIS
safety life-cycle, and include:
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All relevant process operating modes and other modes
identified in prior life-cycle phases.
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How validation activities can be performed, without
putting the plant and process at risk.
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Any equipment and facilities that needs to be installed or
made available for testing.
Now includes abnormal condition such as data
overload when checking the communicates and
networks, the sensors, logic solver, and final
elements.