发布于 2011-05-04 19:56:55
9楼
其实能够把winCC变量与step7变量对应起来会更容易理解,如下:
Binary Tag——BOOL;
Signed 8-bit Value——BYTE;
Unsigned 8-bit Value——BYTE;
Signed 16-bit Value——INT;
Unsigned 16-bit Value——Word;
Signed 32-bit Value——Dint;
Unsigned 32-bit Value——Dword;
Floating-point 32-bit IEEE 754——Real
前面的是winCC变量,后面的是step7变量
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