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 <title><![CDATA[S7-200多台联机问题。请指点！]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-19935.html]]></link>
 <description><![CDATA[Latest 50 replies of S7-200多台联机问题。请指点！]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
 <generator><![CDATA[www.ymmfa.com]]></generator>
 <lastBuildDate><![CDATA[Tue, 21 Apr 2026 13:01:22 +0000]]></lastBuildDate>
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 <title><![CDATA[工控人家园]]></title>
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 <description><![CDATA[工控人家园]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[学习学习]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-19935#426708.html]]></link>
 <author><![CDATA[xbs321]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 06 Feb 2009 02:28:26 +0000]]></pubdate>
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 <description><![CDATA[思路不对。采取的模式是最古老的，很容易损坏PC的串口。PPI理论最多支持8台实际一般就是3~5台，你的 2~31台肯定是无法实现的。建议（1）PC端有个主站，采用OPC方式共享数据，其他PC读取数据（2）采用1台PC主站+5611卡，配合PLC+EM277实现]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-19935#426692.html]]></link>
 <author><![CDATA[bhqt]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 06 Feb 2009 01:56:18 +0000]]></pubdate>
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 <description><![CDATA[还是用EM277 DP接口的 哦！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-19935#426678.html]]></link>
 <author><![CDATA[海浪飞]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 06 Feb 2009 01:35:11 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[谢谢分享！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-19935#307022.html]]></link>
 <author><![CDATA[e2kevin]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 10 Sep 2008 18:27:05 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[是的
 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-19935#297981.html]]></link>
 <author><![CDATA[gezhicheng]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sat, 30 Aug 2008 13:10:29 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用EM277，DP口链接吧。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-19935#297156.html]]></link>
 <author><![CDATA[wangfec]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 29 Aug 2008 12:59:55 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[其实还有一点没说明：组网中会用康海nc601串口服务器实现以太网承载拉远。关键是没用串口服务器直接用PPI电缆跟PC连都不通，也采用直接在PLC出来的串口上接串口服务器省去了PPI，仍然不通。设备数量4台。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-19935#294359.html]]></link>
 <author><![CDATA[weiweizpw]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 25 Aug 2008 13:32:40 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[尽量采用西门子的原装接口吧，自制的可能会有些问题的，另外应当使用串口卡。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-19935#293441.html]]></link>
 <author><![CDATA[wangfec]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 24 Aug 2008 10:25:50 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[多台是多少？有钱就使用DP组网，PPI少量的几台还过得去]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-19935#293175.html]]></link>
 <author><![CDATA[以恒]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 24 Aug 2008 03:05:59 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[补上图。&nbsp;&nbsp;]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-19935#293059.html]]></link>
 <author><![CDATA[weiweizpw]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sat, 23 Aug 2008 15:41:01 +0000]]></pubdate>
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