July 2020
Installation, Operation and Maintenance Manual
MAN 573 Rev. 8
Section 4: Operational Tests and Inspections
NOTICE
To ensure the guaranteed SIL grade, according to IEC 61508, the functionality of actuator must be
checked with regular intervals of time, as described in the Safety Manual.
Operational Tests and Inspections20
Section 4: Operational Tests and Inspections
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