西门子模块6ES7331-7KB02-0AB0

6ES7331-7KB02-0AB0

将AIW变量的数据类型设为了Uint。AIW116的档位是双极性的（无论是±2.5V到±10V），所以AIW变量的类型有符号的（Int等）才可以。

解决措施：将10次滤波相关的变量全部更改为有符号的，包括AIW114、AIW116（Int），求和变量sum改为Dint的，Filter_Average改为Int类型。这样原本的65536高位变成了符号位，约为0附近的负数。

6.如何保证模拟量输入电压不会过分溢出而导致出现红灯error？

解决措施：在模拟量输入通道前端添加钳位电路。

目前使用的电路中，AIW114钳位在0~5V，AIW116钳位在0~10V。注：档位选择不同，数字量和电压的对应比例也不相同。

7.HMI界面软件启动时，显示一堆系统报警信息，如何取消（续西门子HMI界面软件开发总结）？

结局措施：在HMI项目树下找到“全局画面”，在该画面中会出现较多的报警窗口，选定相应的报警窗口，仅在error前面打勾，warning前面不打勾。

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