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 <title><![CDATA[威纶触摸屏按键问题]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1568992.html]]></link>
 <description><![CDATA[Latest 50 replies of 威纶触摸屏按键问题]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <title><![CDATA[]]></title>
 <description><![CDATA[bool a,b,c
getdata&#160;&#160;b
getdata&#160;&#160;c
if b=1 and c = 0
&#160;&#160;&#160;&#160;a=1
else 
&#160;&#160; a = 0
end if
然后把C这个设置为你对应的a生效失效就好了啊]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1568992#1875459.html]]></link>
 <author><![CDATA[tyw123456]]></author>
 <category><![CDATA[触摸屏技术论坛]]></category>
 <pubdate><![CDATA[Mon, 27 Mar 2017 08:48:42 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[可以详细一点吗]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1568992#1874463.html]]></link>
 <author><![CDATA[小小小电工]]></author>
 <category><![CDATA[触摸屏技术论坛]]></category>
 <pubdate><![CDATA[Thu, 23 Mar 2017 02:32:42 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[宏指令读取BC状态，再根据你需要的逻辑置位某一位内部开关，然后按键A的安全模式关联这个内部开关的状态即可]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1568992#1874074.html]]></link>
 <author><![CDATA[zhongfushun]]></author>
 <category><![CDATA[触摸屏技术论坛]]></category>
 <pubdate><![CDATA[Wed, 22 Mar 2017 01:39:13 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[安全模式只能关联一个按键&nbsp;&nbsp; 纠结的是这里]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1568992#1868917.html]]></link>
 <author><![CDATA[小小小电工]]></author>
 <category><![CDATA[触摸屏技术论坛]]></category>
 <pubdate><![CDATA[Sun, 05 Mar 2017 03:04:05 +0000]]></pubdate>
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