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 <title><![CDATA[S7-200 变频器 Modbus RTU 通信问题]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1385960.html]]></link>
 <description><![CDATA[Latest 50 replies of S7-200 变频器 Modbus RTU 通信问题]]></description>
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 <description><![CDATA[如果地址大于9999，那映射地址就变为400001-465536 ,比如艾默生EV1000地址为0x3200，那s7-200写地址400001+0x3200=412801]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1385960#1463538.html]]></link>
 <author><![CDATA[zylew]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 12 Jul 2013 08:35:38 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[搞不懂]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1385960#1357861.html]]></link>
 <author><![CDATA[yuhui100]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sat, 13 Oct 2012 04:25:12 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[一般都不会超过，搞过s7200&nbsp;&nbsp;Modbus RTU
与台达，艾默生的变频器485通讯，地址都没超过你说的数 [s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1385960#1356897.html]]></link>
 <author><![CDATA[狼堡]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 11 Oct 2012 09:04:21 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[看看！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1385960#1356256.html]]></link>
 <author><![CDATA[kingriver]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 10 Oct 2012 10:36:24 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[详参STEP 7 -200的帮助文件]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1385960#1309197.html]]></link>
 <author><![CDATA[leechonghua]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 20 Jul 2012 01:37:46 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[你再仔细看下STEP 7 的帮助文件中特别说到，超过99999也可以读，就在通讯那一部分。具体数字我记不清了，前天刚看到过。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1385960#1309071.html]]></link>
 <author><![CDATA[zs8823]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 19 Jul 2012 16:11:15 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[请高手回答]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1385960#1308871.html]]></link>
 <author><![CDATA[汤磊磊]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 19 Jul 2012 10:44:57 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[难道没人知道怎么做吗？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1385960#1308611.html]]></link>
 <author><![CDATA[seamoon_8]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 19 Jul 2012 05:13:33 +0000]]></pubdate>
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