Modbus RTU 4-20MA RS485 Voltage Current Analog Acquisition Module 9V 12V 24V

32CH DIN Rail RS485 Digital Input Controller Module MODBUS RTU PNP NPN DC12V 24V

DC12V/24V 32 Channel DIN Rail RS485 Input Controller Module MODBUS RTU PNP NPN

Modbus Rtu 1/2/4 Channel 7-24V Relay Module Switch input output RS485/TTL UART-

DC 12V 24V RS485 Remote Control Switch PLC IO expansion Board Modbus RTU module

Modbus Rtu 1/2/4 Channel 7-24V Relay Module Switch input output RS485/TTL UART

DC 12V 16 Channel RS485 Remote Control Switch PLC IO Expansion Board Modbus RTU

Modbus Rtu 1/2/4 Channel Relay Module Switch input output RS485/TTL UART 7-24V