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 <title><![CDATA[西门子300CPU与分站采用DP通讯不稳定问题]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1527961.html]]></link>
 <description><![CDATA[Latest 50 replies of 西门子300CPU与分站采用DP通讯不稳定问题]]></description>
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 <description><![CDATA[我也感觉是干扰问题，一是和动力线分开走，二是看一下屏蔽接地一定要做好，我之前也碰到过几次这种情况，是因为对讲机。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1527961#1694223.html]]></link>
 <author><![CDATA[wang0214]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 31 Aug 2015 12:51:49 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这个问题确实不好弄，可能跟干扰有关系。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1527961#1694221.html]]></link>
 <author><![CDATA[hsgzp]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 31 Aug 2015 12:46:47 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[是楼主电脑有问题&nbsp;&nbsp; 误认为PLC 不稳定&nbsp;&nbsp;]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1527961#1694199.html]]></link>
 <author><![CDATA[jackal]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 31 Aug 2015 10:11:19 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[可能是干扰问题，信号线与动力线分开走，祝你好运～]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1527961#1694195.html]]></link>
 <author><![CDATA[gl50102]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 31 Aug 2015 09:51:27 +0000]]></pubdate>
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