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 <title><![CDATA[两个RS422通讯口对接如何接线?]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1433597.html]]></link>
 <description><![CDATA[Latest 50 replies of 两个RS422通讯口对接如何接线?]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[前面说的三菱485-2BD其实它的物理接法就是接收+，接收-；发送+，发送-]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1433597#1469875.html]]></link>
 <author><![CDATA[dream2012]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 31 Jul 2013 02:04:04 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第2楼dream2012于2013-07-29 16:20发表的&nbsp;&nbsp;:
应该没有问题。三菱PLC的通讯扩展模板485-2BD就是如此接法；
[/quote]
485和422不一样啊]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1433597#1469248.html]]></link>
 <author><![CDATA[ha741852]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 29 Jul 2013 08:31:25 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[应该没有问题。三菱PLC的通讯扩展模板485-2BD就是如此接法；]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1433597#1469243.html]]></link>
 <author><![CDATA[dream2012]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 29 Jul 2013 08:20:55 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这个是接收传感器的通信模块]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1433597#1469224.html]]></link>
 <author><![CDATA[ha741852]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 29 Jul 2013 07:40:40 +0000]]></pubdate>
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