To get the most out of the Modicon TSX Nano manual, users should:
Unlike modern PLCs, the TSX Nano does not use USB or Ethernet. The manual dedicates a full chapter to the TER (Terminal) port —a proprietary 5-pin mini-DIN connector. You will need a TSX PCX 1030 or a third-party USB-to-RS485 converter (with specific wiring) to connect. modicon tsx nano manual
Warning: Beware of paid "manual resellers" charging $50 for a PDF. The manual is abandonware; you should never pay for it. To get the most out of the Modicon