Siemens SIMATIC S7-1200 Safety Programming Manualline page 40

4 Optimizing Safety Programs
Recommendation

Where possible, avoid jumps in the safety program.

Use state machines instead of jumps in FBs with binary logic.
Figure 4-3: Avoiding jumps
Safety Programming Guideline
Entry ID: 109750255, V1.0, 10/2017
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