And its hardware circuit and software programming are simple and convenient, so it can economize program code space and CPU running time. It is a sort of standard of serial bus interface used widely.
其硬件电路及软件编程简单、方便，可节省程序代码空间和CPU运行时间，是一种使用广泛的串行总线接口标准。
Facing new IEC61131-3 standard, it is of huge flexibility and expansibility that the program language of PLC USES XML irrespective with hardware.
面向新的IEC61131 - 3标准，采用XML作为与硬件无关的PLC的编程数据具有极大的灵活性和扩展性。
Facing new IEC61131-3 standard, it is of huge flexibility and expansibility that the program language of PLC USES XML irrespective with hardware.
面向新的IEC61131 - 3标准，采用XML作为与硬件无关的PLC的编程数据具有极大的灵活性和扩展性。
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