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

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

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

4PCS DC 12V 4-20mA 0-5V 0-10V Voltage Signal Acquisition RS485 Modbus RTU Module

DC 5V 12V 24V 8CH RS485 Modbus Rtu HMI Remote IO Expanding Board

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

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

1 PCS 8 Channel DC 12V RS485 Relay Module Modbus RTU 485 Remote Control Switch