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 <title><![CDATA[西门子1500如何做485轮训]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1667571.html]]></link>
 <description><![CDATA[Latest 50 replies of 西门子1500如何做485轮训]]></description>
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 <description><![CDATA[1500轮询]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1667571#2060516.html]]></link>
 <author><![CDATA[chxkdy001]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 15 Jul 2019 07:02:21 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[DONE+ERROR+TIME]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1667571#2059210.html]]></link>
 <author><![CDATA[xxjgk]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 10 Jul 2019 06:57:10 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[我就是采用定时轮询做的，1200的程序]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1667571#2059089.html]]></link>
 <author><![CDATA[问学2008]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 10 Jul 2019 00:27:27 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[定时轮训就好了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1667571#2058614.html]]></link>
 <author><![CDATA[hjl76]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 08 Jul 2019 02:03:07 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[加一个专门干这个活的设备，数据以太网方式写到DB块里面来
 [attachment=233875]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1667571#2051823.html]]></link>
 <author><![CDATA[一心工控]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 11 Jun 2019 02:26:46 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[现在用DONE做了一个轮训，出现一个现象有时候读上来的数会出现在另外一个。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1667571#2049221.html]]></link>
 <author><![CDATA[xiaomei303]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 31 May 2019 09:08:43 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[定时轮训]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1667571#2048669.html]]></link>
 <author><![CDATA[wyc6745625]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 29 May 2019 14:30:47 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[光有DONE 不大稳妥，假设某个设备坏了或是断电，轮询就会卡住，应该并联error。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1667571#2046292.html]]></link>
 <author><![CDATA[niguo1]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 19 May 2019 10:07:09 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[一个done驱动下一个，依次类推，最后一个done又驱动第一个]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1667571#2046242.html]]></link>
 <author><![CDATA[hzyhscm]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 19 May 2019 04:59:03 +0000]]></pubdate>
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