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 <title><![CDATA[多台变频器与PLC通讯控制时怎样设置急停啊 ..]]></title>
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 <description><![CDATA[Latest 50 replies of 多台变频器与PLC通讯控制时怎样设置急停啊 ..]]></description>
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 <description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 嗯，解决了。&nbsp;&nbsp;4楼的方法 谢谢]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399592#1346295.html]]></link>
 <author><![CDATA[超人归来]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 18 Sep 2012 07:39:17 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[频率，启停可用通讯控制，急停控制变频器电源]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399592#1344253.html]]></link>
 <author><![CDATA[czg1127]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 14 Sep 2012 11:41:18 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[频率用通信，，运行用外部。。。。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399592#1343376.html]]></link>
 <author><![CDATA[kyy80]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 13 Sep 2012 03:36:09 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[你可以做成按下停止按钮后，用比较指令分析发送指令停止变频器。 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399592#1343359.html]]></link>
 <author><![CDATA[xshflove]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 13 Sep 2012 03:10:09 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[一般急停切断动力回路吧，，控制回路一般不切断，切断控制回路是一件很危险的事！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399592#1342536.html]]></link>
 <author><![CDATA[fanuc]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 11 Sep 2012 14:07:29 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[一般急停按钮是断控制电源]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399592#1342525.html]]></link>
 <author><![CDATA[爱海涛涛]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 11 Sep 2012 13:36:53 +0000]]></pubdate>
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