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 <description><![CDATA[[url]https://www.ad.siemens.com.cn/productportal/Prods/s7-200-smart-portal/200SmartTop/function/hsc/HSC_Retain.html[/url]

[url]https://www.ad.siemens.com.cn/service/answer/solved_281471_1076.html[/url] [s:21]]]></description>
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 <pubdate><![CDATA[Fri, 14 Jun 2024 08:39:30 +0000]]></pubdate>
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 <description><![CDATA[你可以把原来PLC接触摸屏上看看。大概率没了。

PLC内部变量大概率没了。CPU没有上电初始化程序。在CPU停止数据就没了。 [s:21]]]></description>
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