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 <title><![CDATA[一台触摸屏怎么与另外4台通讯]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1589164.html]]></link>
 <description><![CDATA[Latest 50 replies of 一台触摸屏怎么与另外4台通讯]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[要直连还是走无线。无线的话可以用SIM卡，或者433，WIFI]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1589164#1896133.html]]></link>
 <author><![CDATA[华南猫]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 12 Jun 2017 01:46:42 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第1楼用心回复于2017-06-08 17:25发表的&nbsp;&nbsp;:
走MODBUS 用无线通讯终端&nbsp;&nbsp;一主4从
 [attachment=186333] 
 [attachment=186334] 

原理都一样，这是方案图。你可以参考下
[/quote]

需要用手机卡或者WIFI吗？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1589164#1895710.html]]></link>
 <author><![CDATA[愚公移山]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 09 Jun 2017 13:45:49 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[四台威纶触摸屏联网，可以485连在一起。一台做主站，其余做从站]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1589164#1895441.html]]></link>
 <author><![CDATA[68074633]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 08 Jun 2017 23:12:52 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[选择有两个COM口输出的机型，然后用485模式连接起来，还要在软件上设置好各项参数 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1589164#1895368.html]]></link>
 <author><![CDATA[周家大少]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 08 Jun 2017 10:22:59 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[走MODBUS 用无线通讯终端&nbsp;&nbsp;一主4从
 [attachment=186333] 
 [attachment=186334] 

原理都一样，这是方案图。你可以参考下]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1589164#1895343.html]]></link>
 <author><![CDATA[用心回复]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 08 Jun 2017 09:25:12 +0000]]></pubdate>
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