32CH RS485 2.54mm Pin Core Board Modbus Rtu Input and Output Control PLC HMI Remote IO Expanding Board R4IOJ32 DC 5V 12V 24V

32CH RS485 2.54mm Pin Core Board Modbus Rtu Input and Output Control PLC HMI Remote IO Expanding Board R4IOJ32 DC 5V 12V 24V

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