Connect Step 7 PLC-Sim to Scadas using NetToPLCsim

You should use Nettoplcsim in this way

  • restart computer
  • before starting any Siemens software, start Nettoplcsim with Admin rights, and let Nettoplcsim stop/start the Siemens service to capture the TCP port 102. Let Nettoplcsim in this state (open with no configuration)
  • start Step 7 (or TIA Portal if you want to use this), then start Plcsim and download your project
  • configure Plcsim station in Nettoplcsim, and start Nettoplcsim server