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 <title><![CDATA[求助！]]></title>
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 <description><![CDATA[求助！ :
请各位大侠帮助：

本厂一机器用OP-37与s7-300组成监控系统。连接电缆上总线连接器靠近plc编程口处有一9脚D口，请问是什庅口？上载PLC内程序时是否不用拔下该电缆，直接将PC-MPI电缆接头插入该D口行吗？谢谢！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-21077#306106.html]]></link>
 <author><![CDATA[lrpfl]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 09 Sep 2008 14:43:26 +0000]]></pubdate>
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