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 <title><![CDATA[西门子高手请指教]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-79405.html]]></link>
 <description><![CDATA[Latest 50 replies of 西门子高手请指教]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <description><![CDATA[简单点的项目选择s7-200就可以了，也许要加扩展模块！ 就像三菱扩展A/D模块一样，但这要需要根据实际要求来选型……]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-79405#873124.html]]></link>
 <author><![CDATA[college1987]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 26 Sep 2010 09:08:50 +0000]]></pubdate>
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 <description><![CDATA[不要丢掉三菱。应该有了三菱，还要别的。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-79405#873109.html]]></link>
 <author><![CDATA[liuliangdt]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 26 Sep 2010 08:43:16 +0000]]></pubdate>
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 <description><![CDATA[200是小型，300是中型，400是大型。
每个系列都有很多型号供选择，就像三菱FX里有1S/1N/2N等等一样。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-79405#872658.html]]></link>
 <author><![CDATA[sjm213]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sat, 25 Sep 2010 16:03:27 +0000]]></pubdate>
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 <description><![CDATA[你说的“怎么CPU还分型号啊 ”这一句话就是西门子PLC的档次。高档和抵挡。S7-200PLC的CPU有212, 222 ,224 224XP ,224XP X301226,226XM之分，]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-79405#872605.html]]></link>
 <author><![CDATA[wlw]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sat, 25 Sep 2010 14:29:24 +0000]]></pubdate>
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