8 16 24 32 48CH Multifunction RS485 Remote IO Module PLC DI-DO expansion Board

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

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

1 PCS 16ch DC12V RS-485 Modbus RTU Relay Board RS485 Bus Remote Control Switch

VHF/UHF Radio RF UART RS485 Wireless Transceiver Board Modbus RTU Master-Slave

-200-1350C Modbus Rtu K-type to RS485 thermocouple to digital converter