阐述了软件的详细设计，如系统界面的设计、程序流程图、程序逻辑、程序的输入输出项，文中还给出了重要功能的界面图。

The detailed design of the integrated system for IMAC is introduced, including system user interface, program flow chart, program logic, and input and output item, some important user interfaces.

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由于PLC具有逻辑运算，计数和定时以及数据输入输出的功能。

Because PLC has the logic operation, counting and fixed time as well as data feeds output function.

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