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 <title><![CDATA[rs232可以一分为二吗]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1671175.html]]></link>
 <description><![CDATA[Latest 50 replies of rs232可以一分为二吗]]></description>
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 <lastBuildDate><![CDATA[Fri, 10 Apr 2026 00:12:46 +0000]]></lastBuildDate>
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 <title><![CDATA[工控人家园]]></title>
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 <description><![CDATA[可以，我现在正在用，直接并联就可以，但是线不能太长]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1671175#2067296.html]]></link>
 <author><![CDATA[yb982926]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 10 Aug 2019 02:57:04 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[RS232只能点对点做单一通讯，不能一对多通讯，你想要一对二通讯就用485。关于232和485的区别可以百度查阅一下。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1671175#2066377.html]]></link>
 <author><![CDATA[wu32u2]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 07 Aug 2019 01:51:03 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[可以的&nbsp;&nbsp;就是线缆要柔性好且有屏蔽层]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1671175#2066156.html]]></link>
 <author><![CDATA[苏格拉没有底]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 06 Aug 2019 05:48:54 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[做过1个人机界面（作主机）与2个PLC（作从机）通讯，2个PLC分别设定站号，人机界面每次向指定站号的PLC要数据送数据。
但2个PLC端的SD端要加二极管，以免相互影响通讯。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1671175#2066066.html]]></link>
 <author><![CDATA[znz43]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 06 Aug 2019 01:44:32 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[可以转成485]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1671175#2066022.html]]></link>
 <author><![CDATA[342703002]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 06 Aug 2019 00:17:48 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[那能正常通讯不？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1671175#2066021.html]]></link>
 <author><![CDATA[工控菜鸟]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 06 Aug 2019 00:17:01 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[线短一点是可以的我用过]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1671175#2065997.html]]></link>
 <author><![CDATA[爱家爱china]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 05 Aug 2019 14:57:52 +0000]]></pubdate>
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