S7 1200 TCP/IP Communication with windows terminal

Basic TCP/IP communication between Siemens S7 1200 PLC and windows terminal Updated video with using PLCSIM instead of real PLC Step by step guide, project archive provided I forgot to mention one important thing. For testing purposes, you have to set your PC network adapter IP address to match IP address set in Connect function (in my example ). Make sure your firewall is not blocking the traffic. When you modify any parameters related to connection, restart PLC (menu online/download and restart PLC). PLC program archive, TIA V15.1 Siemens TIA Portal V15.1 SocketTest software: Hercules socket test software: . Example program TCON communica