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

8CH Analog-to-Digital Conversion ADC Module Voltage Current to RS485 Modbus

DS18B20 Modbus RTU RS485 RS232 TTL USB UART Digital Temperature Sensor Module

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

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

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

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

4ch DC 12V 24V -40~500 Celsius PT100 RTD RS485 Temperature Sensor Module Modbus