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 <title><![CDATA[电缆长度太长，信号无法传输怎么办？]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-115260.html]]></link>
 <description><![CDATA[Latest 50 replies of 电缆长度太长，信号无法传输怎么办？]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
 <generator><![CDATA[www.ymmfa.com]]></generator>
 <lastBuildDate><![CDATA[Sun, 12 Apr 2026 00:48:54 +0000]]></lastBuildDate>
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 <title><![CDATA[工控人家园]]></title>
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 <description><![CDATA[工控人家园]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[没有表达清楚]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-115260#1220161.html]]></link>
 <author><![CDATA[alun11]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 02 Mar 2012 13:28:27 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[中间加一个信号继电器]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-115260#1220118.html]]></link>
 <author><![CDATA[452356269]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 02 Mar 2012 12:53:06 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[上面的老大，人家是说开关量啊。
应该可以直接连吧，我们试过几百米的，应该没有问题啊。
你说的什么电容是寄生电容吧。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-115260#1220069.html]]></link>
 <author><![CDATA[bigluo]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 02 Mar 2012 12:01:50 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[建议你用无线通讯,成本要省]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-115260#1220024.html]]></link>
 <author><![CDATA[sunsongfang]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 02 Mar 2012 10:23:40 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[降低波特率&nbsp;&nbsp;或者走光纤或以太网]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-115260#1220004.html]]></link>
 <author><![CDATA[hsl200]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 02 Mar 2012 09:55:25 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[400米，用can,要不用光纤吧]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-115260#1219342.html]]></link>
 <author><![CDATA[yamqq]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 01 Mar 2012 09:00:46 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用电流信号传输4－20MA应该没有问题的呀实在不行用中继]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-115260#1219327.html]]></link>
 <author><![CDATA[qzh_sjd]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 01 Mar 2012 08:32:22 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[不知你的问题解决没？可采用无线通讯模块啊，我们的设备采用的移动的GPRS通讯模块，只要有移动的信号，都能正常传输信号]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-115260#1219281.html]]></link>
 <author><![CDATA[qrklove]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 01 Mar 2012 07:10:42 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[不是通讯 而是AC220V信号&nbsp;&nbsp;DCS的无源接点需要接到 集控室]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-115260#1099726.html]]></link>
 <author><![CDATA[爱家爱china]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 29 Jul 2011 13:50:39 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[都不知什么信号，]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-115260#1099629.html]]></link>
 <author><![CDATA[黄龙波波]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 29 Jul 2011 11:11:11 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[什么信号呀?]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-115260#1099580.html]]></link>
 <author><![CDATA[封心绝恋]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 29 Jul 2011 09:15:31 +0000]]></pubdate>
</item>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-115260#1099572.html]]></link>
 <author><![CDATA[tuanailing]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 29 Jul 2011 09:10:10 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[直接用485得了，哪也不用考虑它多少点了，]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-115260#1099506.html]]></link>
 <author><![CDATA[llllll]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 29 Jul 2011 07:28:26 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[很多的通信都达到1k以上，即使是485都可以，在不行的加信号中继]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-115260#1099413.html]]></link>
 <author><![CDATA[rockyhuo]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 29 Jul 2011 05:25:16 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[才400M]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-115260#1099410.html]]></link>
 <author><![CDATA[niningtt]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 29 Jul 2011 05:21:27 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[什么传输方式？400米应该没什么问题]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-115260#1099406.html]]></link>
 <author><![CDATA[sccgkong]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 29 Jul 2011 05:16:52 +0000]]></pubdate>
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