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 <title><![CDATA[cpu224cn与smart 700通讯后，再与计算机就 ..]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-138911.html]]></link>
 <description><![CDATA[Latest 50 replies of cpu224cn与smart 700通讯后，再与计算机就 ..]]></description>
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 <description><![CDATA[打开软件，任务栏中“系统块”检查端口0的参数。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-138911#1231392.html]]></link>
 <author><![CDATA[wwcwwc]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 21 Mar 2012 07:49:29 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[程序通讯的参数可能被更改了，把PLC打到停止模式，再连接]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-138911#1230712.html]]></link>
 <author><![CDATA[zhang5824]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 20 Mar 2012 05:39:32 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[关掉两个软件再打开一个就好了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-138911#1230240.html]]></link>
 <author><![CDATA[hxy990119]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 19 Mar 2012 11:08:07 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[换个电脑的Ｕ口插上试试]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-138911#1222145.html]]></link>
 <author><![CDATA[sunrisk]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 06 Mar 2012 00:31:33 +0000]]></pubdate>
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 <description><![CDATA[屏可以和CPU224CN单独通讯，但是PLC和计算机单独通讯不了，设置都对。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-138911#1220063.html]]></link>
 <author><![CDATA[pepper123]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 02 Mar 2012 11:51:53 +0000]]></pubdate>
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 <description><![CDATA[1.带电拔通讯口，烧坏了。
2.PLC的通讯波特率无意中改变了，修改一下。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-138911#1219465.html]]></link>
 <author><![CDATA[明维修]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 01 Mar 2012 12:50:41 +0000]]></pubdate>
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