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 <title><![CDATA[两台S7 200 PLC&nbsp;&nbsp;PPI通讯]]></title>
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 <description><![CDATA[Latest 50 replies of 两台S7 200 PLC&nbsp;&nbsp;PPI通讯]]></description>
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 <title><![CDATA[Re:两台S7 200 PLC&#160;&#160;PPI通讯]]></title>
 <description><![CDATA[我和你遇到的问题一样，我想问一下你是用什么电缆连接PC机、主站PLC和从站PLC的？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1542030#1827060.html]]></link>
 <author><![CDATA[xingyun123]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 18 Oct 2016 14:22:10 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我也在做这个项目，也是只能搜到PC机用485-PPI总线直接相连的那个PLC，从站PLC搜不到 [s:46] 
我的地址设的主站为2，从站为3]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1542030#1827052.html]]></link>
 <author><![CDATA[xingyun123]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 18 Oct 2016 13:58:21 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[你是用电脑软件通过PLC的第二个通信口搜寻么？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1542030#1764306.html]]></link>
 <author><![CDATA[sanlihu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 19 Apr 2016 01:41:14 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[哪个是主 哪个是从设备？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1542030#1764084.html]]></link>
 <author><![CDATA[lcllx]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 18 Apr 2016 07:53:54 +0000]]></pubdate>
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