Figure 6: Application example: Pressure vessel
Safe stop of locks to prevent destruction using the Safe STOP function.
Operation safety (preventing hazards to persons and systems) is of utmost importance
for locks. Once the lock closes, no boats must be between the gates. Otherwise, the
Safe STOP function (e.g. via EMERGENCY Stop button) is executed.
16
Part-turn actuators
Safety instrumented systems and safety functions with AC 01.2-SIL/ACExC 01.2-SIL
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