I understand you're looking for information about SIMATIC S7-PLCSIM V15.1, a simulation software for Siemens S7-1500 and S7-1200 PLCs. However, I must clarify a few important points before providing guidance:
If you’re coming from V13 or V14, V15.1 brings solid improvements: simatic s7plcsim v151 download better
Current Challenges
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Know-How Protection Support: A major improvement in V15.1 is the ability to simulate S7-1200 projects that contain know-how protected blocks, allowing for full-system testing without compromising intellectual property. Embed quick-start guides