V15.1 SP2 requires PLCSIM V15.1 SP2 specifically – not V15.0. Ensure you downloaded the matching SP2 version.
The safest way to download TIA Portal 105 SP2 is through the official Siemens website. Siemens provides a customer support page where you can search for the specific version. tia portal 105 sp2 extra quality download best
Look for the "Downloads" or "Software" section. Siemens usually categorizes its software offerings by product family. tia portal 105 sp2 extra quality download best
: Unauthorized "extra quality" downloads often contain malware or cracked files that can cause PLC communication errors or system crashes. tia portal 105 sp2 extra quality download best