P0900FW FOXBORO 高级语言

P0900FX – FOXBORO
P0900FY – FOXBORO
P0900GA – FOXBORO
P0900GB – FOXBORO
P0900GC – FOXBORO
P0900NT – FOXBORO
P0900WA – FOXBORO
P0900WT – FOXBORO
P0900ZV – FOXBORO
P0900ZW – FOXBORO
531X139APMASG2 531X139APMARM7
DS200ADGIH1AAA
DS200DCFBG2BNC
DS200FCRRG1AKD
DS200PCTMG1AAA
DS200RTBAG3AEB
DS200SVAAG1A DS200SVAAG1ACB
DS200TCQAG1BHF

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Description

DFB定义中包含输入/输出参数,私有/共有变量,以及代码实现,而这正是计算机的面向对象编程中“类”的基本元素,而创建类的实例(对象)就像创建普通的“布尔”变量一样,只需在“FunctionBlocks”中定义这种“类”的变量即可。Step7和Unity都可以采用面向过程和面向对象编程方式,这两种编程方式的区别类似于计算机高级语言中的C语言和C++语言编程的区别。

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