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 <title><![CDATA[求助西门子200与多台变频器通讯，读频率时 ..]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1479129.html]]></link>
 <description><![CDATA[Latest 50 replies of 求助西门子200与多台变频器通讯，读频率时 ..]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <lastBuildDate><![CDATA[Fri, 10 Apr 2026 23:21:19 +0000]]></lastBuildDate>
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 <description><![CDATA[工控人家园]]></description>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[通信刷新时序问题]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1479129#2227960.html]]></link>
 <author><![CDATA[wis98]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 09 Oct 2021 01:50:34 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[我已经弄好了，读频率的美路加个下降沿就可以了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1479129#1646330.html]]></link>
 <author><![CDATA[pitersky]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 26 Feb 2015 01:02:58 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[程序应该没有处理好，你看一下频率给定是否是定值]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1479129#1645228.html]]></link>
 <author><![CDATA[z061403]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 11 Feb 2015 10:51:09 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[每根线要在磁环中绕几圈。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1479129#1645195.html]]></link>
 <author><![CDATA[yjhdlp]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 11 Feb 2015 07:48:39 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[变频器干扰通讯线两头穿瓷环试试。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1479129#1645193.html]]></link>
 <author><![CDATA[yjhdlp]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 11 Feb 2015 07:44:43 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[程序下载了，没看。但看你上面说的几种现象应该与干扰有关，比如你的PLC与变频器装在一个柜子里，你的柜子没有做好接地，你的通讯线是不是屏蔽线。是不是从这方面入手查一下。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1479129#1645169.html]]></link>
 <author><![CDATA[bztongyong]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 11 Feb 2015 05:41:42 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[自己先顶起来&nbsp;&nbsp; 不能埋了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1479129#1645163.html]]></link>
 <author><![CDATA[pitersky]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 11 Feb 2015 05:11:36 +0000]]></pubdate>
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