变量表不计入用户空间。关于哪些内容计入用户空间，CPU.上电时,会读取逻辑和配置，变量表数据。缺省情况是从RAM读取。然而逻辑配置，变量表每–类数据都可以配置为总从闪存读取或有条件从闪存读取。要在编程软中配置这些参数，选择CPU硬件配置中的设定键。
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