TCP2RTU: Převodník MODBUS TCP na RTU/ASCII | Papouch.com
ISO Da O-232/485 Series RS232/RS485 Modbus RTU to 4-20mA/0-20mA/0-5V/0-10V Analog Signals Data Acquisition Modules - China Modbus to 4-20mA Converter and Modbus Data Acquisition Modules
Communication: Modbus master and multiple slaves via RS-485 converter.