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 <title><![CDATA[PLC初学者努力的方向]]></title>
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 <description><![CDATA[谢谢楼主的宝贵意见。 [s:38]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680#157576.html]]></link>
 <author><![CDATA[zyd9815000]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 18 Dec 2007 12:10:53 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[支持楼主，先掌握一门，然后才会有所选择]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680#157424.html]]></link>
 <author><![CDATA[sjfshi]]></author>
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 <pubdate><![CDATA[Tue, 18 Dec 2007 06:33:54 +0000]]></pubdate>
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 <description><![CDATA[有道理，谢谢！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680#157344.html]]></link>
 <author><![CDATA[laiguo]]></author>
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 <pubdate><![CDATA[Tue, 18 Dec 2007 04:07:29 +0000]]></pubdate>
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 <description><![CDATA[好呀 [s:19]&nbsp; [s:19]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680#157178.html]]></link>
 <author><![CDATA[编程学习]]></author>
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 <pubdate><![CDATA[Mon, 17 Dec 2007 13:48:45 +0000]]></pubdate>
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 <description><![CDATA[[s:26] 顶]]></description>
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 <author><![CDATA[abc147258]]></author>
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 <pubdate><![CDATA[Mon, 17 Dec 2007 09:40:10 +0000]]></pubdate>
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 <author><![CDATA[ttttcl]]></author>
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 <pubdate><![CDATA[Tue, 04 Sep 2007 00:37:49 +0000]]></pubdate>
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 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680#50176.html]]></link>
 <author><![CDATA[ieee003]]></author>
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 <pubdate><![CDATA[Tue, 24 Jul 2007 02:08:38 +0000]]></pubdate>
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 <description><![CDATA[入门和各种指令都好懂就是不知怎么样凑对程序,使每个机械部件联动起来]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680#50002.html]]></link>
 <author><![CDATA[liyf88cn]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 23 Jul 2007 14:38:16 +0000]]></pubdate>
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 <description><![CDATA[thanjny]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680#48711.html]]></link>
 <author><![CDATA[lcc1250836]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 21 Jul 2007 07:42:35 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[FX2N-10GM/20GM 硬件/编程手册 [三菱PLC使用手册]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680#45471.html]]></link>
 <author><![CDATA[gigiandylan]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 16 Jul 2007 06:31:32 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[现在使用三菱是大多当数的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680#45084.html]]></link>
 <author><![CDATA[quanxiao]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 15 Jul 2007 11:04:32 +0000]]></pubdate>
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 <description><![CDATA[不停学习,不停进步!! [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680#45066.html]]></link>
 <author><![CDATA[weiwu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 15 Jul 2007 10:03:22 +0000]]></pubdate>
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 <description><![CDATA[kankan]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680#40916.html]]></link>
 <author><![CDATA[plc1980]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 Jul 2007 06:49:45 +0000]]></pubdate>
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 <description><![CDATA[OK
自已來學習看看]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680#40910.html]]></link>
 <author><![CDATA[yanlong1122]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 Jul 2007 06:41:40 +0000]]></pubdate>
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 <description><![CDATA[我也想看看是什么,1111]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680#40023.html]]></link>
 <author><![CDATA[lianfeng]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 04 Jul 2007 11:07:39 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我也光顾一睛]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680#40000.html]]></link>
 <author><![CDATA[天涯孤客]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 04 Jul 2007 09:32:36 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[正是我想要知道的问题哦]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680#39932.html]]></link>
 <author><![CDATA[rain123w]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 04 Jul 2007 08:12:25 +0000]]></pubdate>
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 <description><![CDATA[[url]www.ymmfa.com[/url]]]></description>
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 <author><![CDATA[zhjun12345]]></author>
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 <pubdate><![CDATA[Mon, 02 Jul 2007 15:29:09 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我好象 看到了前进的一丝光明]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680#38609.html]]></link>
 <author><![CDATA[xxy811225]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 01 Jul 2007 14:59:51 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[变频器与PLC通讯的精简设计
本帖被 YMMFA 从 综合讨论 移动到本区(2007-06-11) 
转载

发布时间：2006年5月20日 0时10分

1、引言 
在工业自动化控制系统中，最为常见的是PLC和变频器的组合应用，并且产生了多种多样的PLC控制变频器的方法，其中采用RS-485通讯方式实施控制的方案得到广泛的应用：因为它抗干扰能力强、传输 ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680#38602.html]]></link>
 <author><![CDATA[sanshaoye]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 01 Jul 2007 14:45:18 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[知识面要这么广啊!]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680#38389.html]]></link>
 <author><![CDATA[lh321456]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 01 Jul 2007 05:12:59 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[kankan]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680#38203.html]]></link>
 <author><![CDATA[robin525344]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 30 Jun 2007 10:59:21 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第14楼hxl202319于2007-03-26 14:13发表的&nbsp; :
学习一下[/quote]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680#36572.html]]></link>
 <author><![CDATA[songsuan]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 25 Jun 2007 21:48:40 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[PLC初学者努力的方向什么？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680#36569.html]]></link>
 <author><![CDATA[lile986]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 25 Jun 2007 19:08:35 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[看看是否有帮助？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680#36138.html]]></link>
 <author><![CDATA[chenchunlai]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 24 Jun 2007 03:56:30 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我想知道,迷忙]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680#36052.html]]></link>
 <author><![CDATA[xtl123925]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 23 Jun 2007 14:55:13 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[正是我想要知道的问题哦]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680#35978.html]]></link>
 <author><![CDATA[laoyangg]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 23 Jun 2007 09:04:47 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[隐藏的目的是什么？！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680#35703.html]]></link>
 <author><![CDATA[x5186]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 22 Jun 2007 06:00:45 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:39]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680#34700.html]]></link>
 <author><![CDATA[konev]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 19 Jun 2007 07:20:36 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[请问,move&nbsp;  h3&nbsp; &nbsp; k1y000 是怎样传输的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680#34641.html]]></link>
 <author><![CDATA[iamalis]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 19 Jun 2007 04:36:36 +0000]]></pubdate>
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