Using the RS232Cof 9 needles and 25 needles to copy the CNC parameter and the PMC parameter of numerical controlled machine tool into the computer through the super terminal of the computer,keeping the parameter from losing.

• 利用RS232C 9针、25针串口,通过电脑的超级终端,将数控机床的CNC参数,PMC参数拷贝到电脑,防止数控机床参数的丢失。