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 <title><![CDATA[在用485通讯的拓展模块时出现了数字量输出 ..]]></title>
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 <description><![CDATA[Latest 50 replies of 在用485通讯的拓展模块时出现了数字量输出 ..]]></description>
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 <description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp;



[url]http://www.ad.siemens.com.cn/service/article/wap/S7-200/S7-200modbus/Default.aspx[/url]
本文详细阐述了S7-200 Modbus RTU 通信原理和接线方法。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1682851#2123227.html]]></link>
 <author><![CDATA[mhbxfys]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 04 Jun 2020 01:05:40 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[你没往这些地址里赋值吧]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1682851#2123226.html]]></link>
 <author><![CDATA[mhbxfys]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 04 Jun 2020 01:00:30 +0000]]></pubdate>
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 <description><![CDATA[用IB17也是，无论IB7是0还是0，plc的输出都是00 00]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1682851#2123158.html]]></link>
 <author><![CDATA[控制小白]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 03 Jun 2020 13:37:27 +0000]]></pubdate>
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