P0900EY FOXBORO 模块化编程

P0900EZ – FOXBORO
P0900FA – FOXBORO
P0900FB – FOXBORO
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P0900FE – FOXBORO
P0900FG – FOXBORO
P0900FH – FOXBORO
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P0900FP – FOXBORO
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P0900FS – FOXBORO
P0900FT – FOXBORO

Description

面向对象编程在Step7中使用功能块(即FB)编程,一谈到此大家就会想到西门子提出的模块化编程,不错,就是这个模块化编程,但西门子提出的模块化、背景数据块、多重背景等名词并不能让大家很明白的理解和使用这种优秀的设计理念。如果大家从面向对象编程的角度去理解,则可以很好的理解这种设计模式。

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