Сейчас ищут
S7 1200 As Modbus Tcp Client V4 1. Смотреть видео: S7 1200 As Modbus Tcp Client V4 1, COM18 ModbusTCP Client Via Siemens S7 1200 S7 1500 PLC And TIA Portal, S7 1200 As Modbus TCP Client Using MB CLIENT V5 0, Siemens S7 1200 PLC Modbus TCP Client Tutorial TIA Portal.