<?xml version="1.0" encoding="gbk"?>
<rss version="2.0">
<channel>
 <title><![CDATA[200smart modbus 通讯 两公里]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1740645.html]]></link>
 <description><![CDATA[Latest 50 replies of 200smart modbus 通讯 两公里]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
 <generator><![CDATA[www.ymmfa.com]]></generator>
 <lastBuildDate><![CDATA[Sat, 02 May 2026 01:41:05 +0000]]></lastBuildDate>
  <image>
 <url><![CDATA[images/rss.gif]]></url>
 <title><![CDATA[工控人家园]]></title>
 <link><![CDATA[http://www.ymmfa.com]]></link>
 <description><![CDATA[工控人家园]]></description>
  </image>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[只要有网络信号，使用4G模块最便宜，如果模拟量比较多，可以做多个画面，每个画面分配一些模拟量就可以]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1740645#2319176.html]]></link>
 <author><![CDATA[懂一点点]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 05 Nov 2022 06:56:12 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[无线通讯，走外网。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1740645#2319164.html]]></link>
 <author><![CDATA[wangsanhuzi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 05 Nov 2022 05:48:12 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[必须上光纤，通讯线做出来能用不是一般人。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1740645#2319110.html]]></link>
 <author><![CDATA[5921338]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 05 Nov 2022 01:30:10 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[拉光纤也不少成本。改成巨控4G无线，巨控黄工18922726899]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1740645#2318924.html]]></link>
 <author><![CDATA[华南猫]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 04 Nov 2022 06:44:45 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[。。。那么长线不要钱么]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1740645#2318809.html]]></link>
 <author><![CDATA[xinsan]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 04 Nov 2022 00:56:34 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[&nbsp;&nbsp; 用无线模块，4G那种肯定是可以的，就是时效性要考虑，延时比较大，不如考虑光纤。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1740645#2318800.html]]></link>
 <author><![CDATA[秋雨231]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 04 Nov 2022 00:36:21 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[用广州巨控的，联系下他们，无线试下 [s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1740645#2318796.html]]></link>
 <author><![CDATA[工控剑侠666]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 04 Nov 2022 00:29:09 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[西安达泰 无线收发模块了解一下]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1740645#2318766.html]]></link>
 <author><![CDATA[zhenzi917]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 04 Nov 2022 00:03:41 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[[s:28] 搞个无线通迅模块就可以了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1740645#2303440.html]]></link>
 <author><![CDATA[leihaokun]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 24 Aug 2022 15:38:06 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[你这个不是控制启停吧，还有速度参数吧]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1740645#2303091.html]]></link>
 <author><![CDATA[方飞2021]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 23 Aug 2022 05:51:20 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[谁设计的让他自己搞。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1740645#2302691.html]]></link>
 <author><![CDATA[zq11111]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 21 Aug 2022 13:03:57 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[使用三个中继，
变频器旁，1个
线路中间，1个
PLC旁，1个
可实现理论距离，2.4KM

需解决的问题：
1、通信线缆选用屏蔽双绞线，并加终电阻；
2、线路中间中继的电源；
3、把波待率设为2400；
4、把通信等待时间设为500ms或以上。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1740645#2302625.html]]></link>
 <author><![CDATA[hlq_0815]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 21 Aug 2022 03:06:14 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[这设计确实牛，485能拉两公里，还是电的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1740645#2302573.html]]></link>
 <author><![CDATA[塞外海岛]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 20 Aug 2022 14:18:05 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[485转网络就行了嘛]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1740645#2302403.html]]></link>
 <author><![CDATA[20gm2018]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 19 Aug 2022 16:19:10 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[单是开关量控制很好办，没必要通讯控制，可以考虑远程网络控制]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1740645#2302392.html]]></link>
 <author><![CDATA[goldage]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 19 Aug 2022 13:56:29 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[用4G远程通信模块，还不丢包]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1740645#2302230.html]]></link>
 <author><![CDATA[李文全]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 19 Aug 2022 02:31:44 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[200smart能搞定的东西。。。现场在加个plc不就完了。两个plc走光纤。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1740645#2302085.html]]></link>
 <author><![CDATA[zhaoyong88zj]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 18 Aug 2022 09:00:31 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[远程模块的实时性需要考虑，建议你还是用光纤。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1740645#2302081.html]]></link>
 <author><![CDATA[yha_4611]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 18 Aug 2022 08:56:01 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[哈哈，楼主成功了回来反馈一下，学习学习]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1740645#2302076.html]]></link>
 <author><![CDATA[xianban7]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 18 Aug 2022 08:39:52 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[你这不是没事找事嘛，为什么不把PLC挂现场]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1740645#2302075.html]]></link>
 <author><![CDATA[qwer0987]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 18 Aug 2022 08:33:57 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[你怕PLC被偷了吗？PLC放现场也可以远程呀？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1740645#2302073.html]]></link>
 <author><![CDATA[曾姚王]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 18 Aug 2022 08:22:51 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[4G远程模块

 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1740645#2302068.html]]></link>
 <author><![CDATA[王者的王者]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 18 Aug 2022 07:59:43 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[有无限远程模块，通讯距离可以达到6公里。不知道是真是假，价格到不贵，比一卷线都低]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1740645#2302059.html]]></link>
 <author><![CDATA[红云123]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 18 Aug 2022 07:27:52 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[现场已经拉了2公里的485通讯线，现在实际情况是不可能再拉光纤了&nbsp;&nbsp;我试试加一个中继器&nbsp;&nbsp;看看能不能干到2公里]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1740645#2302055.html]]></link>
 <author><![CDATA[湖北张军]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 18 Aug 2022 07:20:55 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[加远程网管就行]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1740645#2301935.html]]></link>
 <author><![CDATA[你画的彩虹]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 18 Aug 2022 01:20:31 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[光纤转换，不贵]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1740645#2301849.html]]></link>
 <author><![CDATA[yha_4611]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 17 Aug 2022 12:41:57 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[光纤才稳定
 [s:21]&nbsp;&nbsp;[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1740645#2301770.html]]></link>
 <author><![CDATA[hsiung]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 17 Aug 2022 08:12:05 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[即使用光纤也得加中继，还真不如直接在现场弄个程序呢]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1740645#2301766.html]]></link>
 <author><![CDATA[红云123]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 17 Aug 2022 08:05:45 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[请教大家 有做过这样的成功案例吗&nbsp;&nbsp; 加隔离中继器&nbsp;&nbsp;好像最多也就1200米&nbsp;&nbsp; 这个2公里距离 ，我是真有点心里没底]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1740645#2301757.html]]></link>
 <author><![CDATA[湖北张军]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 17 Aug 2022 07:46:33 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[很是头疼 接的烂摊子]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1740645#2301756.html]]></link>
 <author><![CDATA[湖北张军]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 17 Aug 2022 07:45:09 +0000]]></pubdate>
</item>
</channel></rss>