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 <title><![CDATA[PLC主从站通讯_一个初学者的思考]]></title>
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 <description><![CDATA[Latest 50 replies of PLC主从站通讯_一个初学者的思考]]></description>
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 <description><![CDATA[[s:21] 不错，学习学习！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-23660#478031.html]]></link>
 <author><![CDATA[lin5979]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 03 Apr 2009 01:14:58 +0000]]></pubdate>
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 <description><![CDATA[西门子PLC的通讯有很多种,不知你用那一种,如果要全面学习,最好是多看资料及多实践.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-23660#392334.html]]></link>
 <author><![CDATA[zz680217]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sat, 20 Dec 2008 09:04:30 +0000]]></pubdate>
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 <description><![CDATA[[s:21]&nbsp;&nbsp;[s:21]&nbsp;&nbsp;[s:21]&nbsp;&nbsp;[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-23660#390679.html]]></link>
 <author><![CDATA[xuke911]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 18 Dec 2008 20:03:53 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[有高手知道吗，请指教一下]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-23660#384612.html]]></link>
 <author><![CDATA[coliu]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sat, 13 Dec 2008 10:56:48 +0000]]></pubdate>
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 <description><![CDATA[参考这本手册《S7-300 400的系统软件和标准功能参考手册》]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-23660#383840.html]]></link>
 <author><![CDATA[basicplc]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 12 Dec 2008 14:42:48 +0000]]></pubdate>
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 <description><![CDATA[先确定用何硬件通讯：CP340/340? DP?]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-23660#375206.html]]></link>
 <author><![CDATA[bluesunliu]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 04 Dec 2008 03:36:59 +0000]]></pubdate>
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 <description><![CDATA[阿拉也是初学者，困惑中，[email]jason_ijj@163.com[/email]我的MSN]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-23660#367858.html]]></link>
 <author><![CDATA[jason_ijj]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 27 Nov 2008 08:44:58 +0000]]></pubdate>
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 <description><![CDATA[没人建议啊！？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-23660#339798.html]]></link>
 <author><![CDATA[bet2004]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 26 Oct 2008 13:59:04 +0000]]></pubdate>
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