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 <title><![CDATA[多路4~20mA是否可共用一根电缆]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1645621.html]]></link>
 <description><![CDATA[Latest 50 replies of 多路4~20mA是否可共用一根电缆]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <title><![CDATA[]]></title>
 <description><![CDATA[学习学习]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1645621#1967905.html]]></link>
 <author><![CDATA[504890094]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 26 Apr 2018 06:04:08 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[[s:21] 短距离可以的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1645621#1967651.html]]></link>
 <author><![CDATA[leihaokun]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 25 Apr 2018 11:37:25 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[进来学习了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1645621#1958765.html]]></link>
 <author><![CDATA[reinwf]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 22 Mar 2018 05:42:34 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[距离不要太长，同组屏蔽双绞线，共用没有问题，电流信号还稳定性可以]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1645621#1958508.html]]></link>
 <author><![CDATA[wqing]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 21 Mar 2018 02:31:54 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[长距离信号传输，电流传输信号比电压的强，稳定，但都怕强电信号干扰，虽然双绞的增加成本，但稳定性毋庸置疑。最好能双绞，不然就要走线上下功夫，多观测观测。个人意见]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1645621#1955336.html]]></link>
 <author><![CDATA[niguo1]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 04 Mar 2018 12:48:27 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[最好是双绞的，互绞的两根一组]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1645621#1955278.html]]></link>
 <author><![CDATA[ma924888027]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 04 Mar 2018 05:36:02 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[不是双绞的，带铠和屏蔽的能行吗]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1645621#1955267.html]]></link>
 <author><![CDATA[hanmingshuai]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 04 Mar 2018 04:37:13 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[看到过用4对双绞线的屏蔽线。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1645621#1955260.html]]></link>
 <author><![CDATA[711022027]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 04 Mar 2018 03:35:54 +0000]]></pubdate>
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