There’s no permanently free standalone Siemens PLC simulator. But with the trial or OpenPLC, you can start learning today without spending a cent.
Here’s a clear breakdown so you don’t waste time downloading the wrong thing. siemens plc simulator free download
The official is the gold standard for simulating S7-1200, S7-1500, S7-300, and S7-400 controllers. It integrates directly with the TIA Portal environment. Trial Duration: 21 days with full, unrestricted access. Latest Version: SIMATIC STEP 7 and S7-PLCSIM V20 . siemens plc simulator free download