16ch Full-duplex Transparent Transmission of Digital IO RS485 Modbus RTU Module

16CH DC 12V 24V Temperature Analog PT100 Resistance RS485 Collector Modbus RTU

8-24CH 4-20MA To RS485 Current Analog Input Collector Module MODBUS RTU Board

Mini Size IOT Remote IO Controller N4ROD08 Modbus Industrial 8 DO RS485 Relay

16CH Analog Input Module RS485 Modbus RTU 0-5V 0-10V Voltage Acquisition Module

8-32 DI-DO PNP to PNP RS485 Modbus Rtu Remote IO Module DC 12-24V 300MA Output

4DI-4DO RS485 Relay Module Modbus RTU Remote IO Expansion Board DC 12V 24V

8 Ch Analog Output 0-10V 0-5V AO Module RS485 Modbus RTU To Voltage PLC Remote