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 <title><![CDATA[s7-200不能用usb转串口线+数据线连接吗？]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-121483.html]]></link>
 <description><![CDATA[Latest 50 replies of s7-200不能用usb转串口线+数据线连接吗？]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <description><![CDATA[西门子的编程线是USB转485的不是232]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-121483#1298392.html]]></link>
 <author><![CDATA[tkggtdkjpl]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 02 Jul 2012 08:26:05 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[学习了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-121483#1292292.html]]></link>
 <author><![CDATA[789plc]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 22 Jun 2012 02:50:22 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[买个高防的，就200-300，功能外观一样，就是插头处有点区别，我试过性能和我原装一样，是帮朋友买的。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-121483#1292226.html]]></link>
 <author><![CDATA[weilinyi]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 22 Jun 2012 01:00:19 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[有现成的USB连接线200的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-121483#1277401.html]]></link>
 <author><![CDATA[aiohu]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 29 May 2012 12:13:34 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[不知道大家是怎么做的，我随意买了根rs232转串口，三菱的PLC勉强能用，就是传输速度慢的很，s7-200的就连接不上了，怎么回事呢？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-121483#1270568.html]]></link>
 <author><![CDATA[forcible]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 20 May 2012 03:39:24 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[电脑城买的，一直在用]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-121483#1145087.html]]></link>
 <author><![CDATA[ayshi]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 19 Oct 2011 01:08:32 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我有一个据说是原装的，公司领导的。用485-232的转接口嘛，再232-USB。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-121483#1144696.html]]></link>
 <author><![CDATA[hejian96]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 18 Oct 2011 08:25:07 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[你pg/pc接口设置对不对，接口设置不对也连不上的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-121483#1144497.html]]></link>
 <author><![CDATA[firmenichyaq]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 18 Oct 2011 04:42:06 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[当刷新出黄色感叹号后，再刷新1次，即可。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-121483#1143479.html]]></link>
 <author><![CDATA[menghaoxiang]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 16 Oct 2011 13:01:01 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[呵呵，那我还是用自己做的吧]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-121483#1138781.html]]></link>
 <author><![CDATA[ggffjj]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 09 Oct 2011 12:11:38 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[自从那条200原装线坏了后，本人一直使用网上提供图纸的自制线+力特USB转串口线，300、400一直用原装的。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-121483#1135981.html]]></link>
 <author><![CDATA[wwcwwc]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 05 Oct 2011 06:26:58 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[大家都用原装线啊？惭愧]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-121483#1135885.html]]></link>
 <author><![CDATA[ggffjj]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 05 Oct 2011 02:44:26 +0000]]></pubdate>
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