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 <title><![CDATA[变频器FR-A540与PLC走RS485通信求助]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126792.html]]></link>
 <description><![CDATA[Latest 50 replies of 变频器FR-A540与PLC走RS485通信求助]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
 <generator><![CDATA[www.ymmfa.com]]></generator>
 <lastBuildDate><![CDATA[Sat, 18 Apr 2026 22:01:51 +0000]]></lastBuildDate>
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 <title><![CDATA[工控人家园]]></title>
 <link><![CDATA[http://www.ymmfa.com]]></link>
 <description><![CDATA[工控人家园]]></description>
  </image>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[5楼的这位老大，能不能留个联系方式交流一下撒]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126792#1170578.html]]></link>
 <author><![CDATA[shaolin316]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 24 Nov 2011 01:12:19 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[这几天在搞台达与三菱变频器RS485 modbus通信RS指令，
正转，反转，加减速时间设定，写频率，写力矩，读频率，电流，电压都可已实现
但是键盘显示加减速时间，力矩，没改变不知是否正常]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126792#1169651.html]]></link>
 <author><![CDATA[chengjianbo]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 22 Nov 2011 15:36:59 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[通讯没哪好搞,但入门后也就不难,就要知到它的通讯格式与功能代码,]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126792#1169600.html]]></link>
 <author><![CDATA[weilinyi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 22 Nov 2011 14:23:30 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[不知道]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126792#1165819.html]]></link>
 <author><![CDATA[lvchunwan]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 16 Nov 2011 14:16:53 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[实例我有的，但是不解的是怎么确定数据格式啊，如果这个数据格式不清楚的话，那下次换了个品牌或型号，那还是一样搞不清楚啊]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126792#1164837.html]]></link>
 <author><![CDATA[shaolin316]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 15 Nov 2011 08:51:25 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[本站有示例，找一下不就行了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126792#1164752.html]]></link>
 <author><![CDATA[崇庆阳光]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 15 Nov 2011 07:13:13 +0000]]></pubdate>
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