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 <title><![CDATA[触摸屏与PLC的通讯线最多可以多少米？]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1426091.html]]></link>
 <description><![CDATA[Latest 50 replies of 触摸屏与PLC的通讯线最多可以多少米？]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
 <generator><![CDATA[www.ymmfa.com]]></generator>
 <lastBuildDate><![CDATA[Mon, 13 Apr 2026 06:54:23 +0000]]></lastBuildDate>
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 <title><![CDATA[工控人家园]]></title>
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 <title><![CDATA[]]></title>
 <description><![CDATA[就这么移了 不怕有安全隐患么]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1426091#1438439.html]]></link>
 <author><![CDATA[langman]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 03 May 2013 08:43:51 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[需要的就是光纤转换器，将光纤信号转换为以太网信号。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1426091#1438209.html]]></link>
 <author><![CDATA[chenpingyg]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 02 May 2013 13:54:18 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[如果你的触摸屏和PLC支持以太网的话，呵呵，几十公里都可以。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1426091#1437824.html]]></link>
 <author><![CDATA[chenpingyg]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 01 May 2013 13:36:04 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[感谢各位回帖 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1426091#1437819.html]]></link>
 <author><![CDATA[shfxfa]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 01 May 2013 13:24:07 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用好屏蔽线，电磁环境好，几百米没问题，RP再好，上千米也能凑。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1426091#1436914.html]]></link>
 <author><![CDATA[auto_world]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 28 Apr 2013 08:35:27 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[控制在50米以内就好，超过50米后信号衰减厉害，采用屏蔽线。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1426091#1436911.html]]></link>
 <author><![CDATA[lsing5210]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 28 Apr 2013 08:20:33 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[要选好的双绞屏蔽线，485可以外拉1000米]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1426091#1436774.html]]></link>
 <author><![CDATA[anchunsheng]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 28 Apr 2013 01:43:01 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我们现在在移位设备，232线长度最长的约45M左右，也能通讯。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1426091#1436579.html]]></link>
 <author><![CDATA[gqm]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 27 Apr 2013 11:09:05 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这个要具体情况具体分析，最好以手册为准。最长应该能做到1Km。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1426091#1436537.html]]></link>
 <author><![CDATA[武杰]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 27 Apr 2013 08:24:06 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[感谢楼上两位师傅的经验分享]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1426091#1436530.html]]></link>
 <author><![CDATA[shfxfa]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 27 Apr 2013 08:15:37 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[232 理论最长15米
422/485理论最长 1200米
RJ45网线理论最长100米]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1426091#1436350.html]]></link>
 <author><![CDATA[tkggtdkjpl]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 27 Apr 2013 00:06:08 +0000]]></pubdate>
</item>
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 <title><![CDATA[]]></title>
 <description><![CDATA[485通信几百米没事要用屏蔽线]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1426091#1436259.html]]></link>
 <author><![CDATA[bocc]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 26 Apr 2013 13:20:19 +0000]]></pubdate>
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