S7-300 MPI PPI DP To Ethernet Gateway Protocol Converter Module Modbus TCP TIA | eBay
ETH-MPI Profibus to Profinet Ethernet Gateway Modbus TCP Adapter for Siemens S7-200 S7-300/400 PLC 840d Replace CP341-1 - AliExpress
Ethernet Adapter To Convert S7-300 Plc Mpi/dp To Profinet To Connect 1 Or 4 Smart Line Panel 700 1000ie Touch Panel Hmi - Instrument Parts & Accessories - AliExpress
Isolated ETH-MPI MPI / DP to Ethernet Programming Adapter, for Siemens S7-300/400, Replace USB-MPI CP343 CP5611