System Representation - AUMA SQ 05.2-SQ 14.2 Manual

Safety instrumented systems and safety functions
4.6.

System representation

14
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.
Figure 5: Application example: Lock
The representation below shows the simplified design of an AC 01.2/ACExC 01.2
in SIL version.
Figure 6: Simplified system representation
Part-turn actuators
SQ 05.2 SQ 14.2/SQR 05.2 SQR 14.2