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 <title><![CDATA[S7 200下载程序是需要接电源吗？]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144459.html]]></link>
 <description><![CDATA[Latest 50 replies of S7 200下载程序是需要接电源吗？]]></description>
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 <description><![CDATA[电源是一定要接的，关键是接直流还查交流要先清楚，接错的话PLC有可能会烧坏，下载程序看用笔记本下的话要用两根线，一根是USB转COM口，还有一根是PPI ，要是用台试机就简单多了，只用一根PPI就可以了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144459#1249811.html]]></link>
 <author><![CDATA[dajun]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 18 Apr 2012 05:11:38 +0000]]></pubdate>
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 <description><![CDATA[当然要接电源的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144459#1249691.html]]></link>
 <author><![CDATA[电气plc]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 18 Apr 2012 02:38:59 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[楼主在玩什么游戏？？？？？？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144459#1249369.html]]></link>
 <author><![CDATA[z45651100]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 17 Apr 2012 13:43:02 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:39]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144459#1248425.html]]></link>
 <author><![CDATA[liubing3620]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 16 Apr 2012 08:31:58 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[PLC没电源怎么下载程序啊，PLC和电脑差不多]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144459#1236668.html]]></link>
 <author><![CDATA[mhbxfys]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 29 Mar 2012 05:20:46 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[路过，大家都说很清楚了，再说就不好了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144459#1236610.html]]></link>
 <author><![CDATA[李想]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 29 Mar 2012 04:24:16 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[哈哈！幼稚的问题！不过肯学即可！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144459#1235947.html]]></link>
 <author><![CDATA[hhz8250]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 28 Mar 2012 07:46:25 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[你想想，要是你给电脑安装系统的时候，不通电能行吗？？？？？？？？？？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144459#1235385.html]]></link>
 <author><![CDATA[涂道伟]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 27 Mar 2012 12:24:37 +0000]]></pubdate>
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 <description><![CDATA[应该要接吧，PC/PPI又不能给供电，分清电源输入、输出电路电源，别弄错。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144459#1235371.html]]></link>
 <author><![CDATA[jayling7]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 27 Mar 2012 12:08:19 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[看好PLC的说明，你的PLC是220交流供电还是24V直流供电]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144459#1235091.html]]></link>
 <author><![CDATA[1021424641]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 27 Mar 2012 03:04:38 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[要接电源，plc上有标明，新的话有红色黏胶纸黏起来的，上面写着220v交流电源，还有一个是输出24v直流电源，千万不要接错。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144459#1234688.html]]></link>
 <author><![CDATA[xingen]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 26 Mar 2012 10:10:50 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[自己顶一个呀，大侠帮帮忙啦]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144459#1234612.html]]></link>
 <author><![CDATA[linmiao0425]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 26 Mar 2012 07:07:12 +0000]]></pubdate>
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