Protocols

Siemens S7

S7comm over ISO-on-TCP (port 102) to SIMATIC S7-300, S7-400, S7-1200, and S7-1500. Addressing is by area and byte, not by an OPC UA node.

Open these 2 in the directory

• IndustriConnect S7 MCPOpen sourceWrites gatedS7comm client for S7-300 through S7-1500 via python-snap7, with a mock PLC for DB, I/O, and SZL tests.
• plctapOpen sourceWrites gatedOne MCP server for Modbus, FINS, MELSEC, S7, IEC 104, EtherNet/IP, and OPC UA, with protocol detection.