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Subject : 
IC485S/SI/SN/AI的主要功能
 
Description : 
IC485的主要功能
 
Solution : 
他的主要功能是將RS232的訊號轉換成RS422或是RS485. 當控制者使用RS232介面,但是設備上面卻需要RS422或是RS485,這時候就可以用我們的設備去做轉換,基本上RS232的傳輸距離只有15M,但事RS422/RS485則可以到1200M,因此也可以做為延長使用
 
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