<?xml version="1.0" encoding="gbk"?>
<rss version="2.0">
<channel>
 <title><![CDATA[脉冲上升沿LDP脉冲下降沿LDF与脉冲指令PL ..]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-35071.html]]></link>
 <description><![CDATA[Latest 50 replies of 脉冲上升沿LDP脉冲下降沿LDF与脉冲指令PL ..]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
 <generator><![CDATA[www.ymmfa.com]]></generator>
 <lastBuildDate><![CDATA[Fri, 10 Apr 2026 14:51:43 +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[[s:21] 2楼很详细]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-35071#622421.html]]></link>
 <author><![CDATA[a2103]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 11 Sep 2009 05:14:51 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[PLS PLF 时，是让输出端产生一个周期的扫描信号
而 LDP LDF&nbsp;&nbsp;&nbsp;&nbsp;是直接产生一个周期的扫描信号]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-35071#622065.html]]></link>
 <author><![CDATA[zhou8441]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 10 Sep 2009 15:54:09 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[有区别,在有的FX0S等的PLC就不能用LDP和LDF只能用后面二个指令转了.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-35071#610561.html]]></link>
 <author><![CDATA[易志刚]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 27 Aug 2009 09:39:39 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[都一样的效果！ [s:21]&nbsp;&nbsp;[s:28]&nbsp;&nbsp;[s:32]&nbsp;&nbsp;[s:39]&nbsp;&nbsp;[s:26]&nbsp;&nbsp;[s:17]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-35071#610464.html]]></link>
 <author><![CDATA[龙宇电子]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 27 Aug 2009 07:52:26 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[六楼的和4楼的解答很好]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-35071#597755.html]]></link>
 <author><![CDATA[hjj945]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 10 Aug 2009 17:25:51 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[6楼说得棒极了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-35071#583208.html]]></link>
 <author><![CDATA[liuming.8031]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 23 Jul 2009 20:11:51 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[关键还是要实操]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-35071#535486.html]]></link>
 <author><![CDATA[hpl1111]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 30 May 2009 19:04:33 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[一类是上升沿触发或下降沿触发；一类是线圈失电触发或得电触发。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-35071#535485.html]]></link>
 <author><![CDATA[hpl1111]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 30 May 2009 19:03:17 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[LDP上升沿须用在与左母线相连LDF下升沿须用在与左母线相连]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-35071#535079.html]]></link>
 <author><![CDATA[谢认元]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 30 May 2009 11:56:45 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[学习一下了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-35071#533871.html]]></link>
 <author><![CDATA[吴铭2]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 29 May 2009 07:58:14 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[问的 真是 专业啊 
希望能在此多学 点东西&nbsp;&nbsp;[s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-35071#530742.html]]></link>
 <author><![CDATA[西域]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 26 May 2009 11:29:16 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[一楼说的很具体，但我觉得还是四楼说的明白一点]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-35071#530669.html]]></link>
 <author><![CDATA[zhwenxin]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 26 May 2009 09:27:54 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[6楼的解释的不错了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-35071#522314.html]]></link>
 <author><![CDATA[4444xuxia]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 18 May 2009 11:39:22 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[呵呵，我刚学的时候也搞不明白，现在总算明白了
PLS PLF 时，是让输出端产生一个周期的扫描信号
而 LDP LDF&nbsp;&nbsp;&nbsp;&nbsp;是直接产生一个期的扫描信号
你再仔细看看编程说明书就知道了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-35071#521807.html]]></link>
 <author><![CDATA[liangliang12]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 18 May 2009 01:47:10 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[不懂就看一楼怎样说的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-35071#515379.html]]></link>
 <author><![CDATA[ggvv0010]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 10 May 2009 16:13:40 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[起到的作用是一个意思,作用位置不同吧]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-35071#515074.html]]></link>
 <author><![CDATA[盘龙]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 10 May 2009 11:48:47 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[两者是一样的,都是使输出接通一个扫描周期.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-35071#514911.html]]></link>
 <author><![CDATA[草原牧人]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 10 May 2009 08:18:40 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[用PLS、PLF会多占用一个内部继电器吗，程序还要多一步。浪费。看你有没有这个必要！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-35071#514752.html]]></link>
 <author><![CDATA[cjd0759]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 10 May 2009 05:30:23 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[用PLS、PLF会多占用一个内部继电器吗，程序还要多一步。浪费。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-35071#514749.html]]></link>
 <author><![CDATA[cjd0759]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 10 May 2009 05:27:09 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[一楼说的详细]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-35071#514594.html]]></link>
 <author><![CDATA[jxt520102]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 10 May 2009 03:11:06 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[LDP 和LDF用手编能看到但写不进去..电脑专用 [s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-35071#514297.html]]></link>
 <author><![CDATA[41897703]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 09 May 2009 15:11:40 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[1楼高见]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-35071#514267.html]]></link>
 <author><![CDATA[cq218]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 09 May 2009 14:35:54 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[我认为效果一样，都是接通一个扫描周期。LDP LDF 有些型号PLC不支持这种指令写法，就必须使用PLS,PLF指令来转换]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-35071#514234.html]]></link>
 <author><![CDATA[ziyan]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 09 May 2009 14:01:53 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[一样的，没区别的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-35071#511821.html]]></link>
 <author><![CDATA[wangbin85]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 07 May 2009 06:33:51 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[用什么呢？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-35071#499701.html]]></link>
 <author><![CDATA[发射点]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 24 Apr 2009 09:19:04 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[6楼的言简意赅，形象生动]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-35071#499115.html]]></link>
 <author><![CDATA[lbdjy]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 23 Apr 2009 18:19:17 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[前者是输入 执行1次 后者是对输出执行一次&nbsp;&nbsp;]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-35071#495557.html]]></link>
 <author><![CDATA[月泽]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 20 Apr 2009 11:05:25 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[我也是这样认为的感觉]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-35071#494880.html]]></link>
 <author><![CDATA[中国工控]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 19 Apr 2009 14:50:48 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[我认为效果一样，都是接通一个扫描周期。LDP LDF 有些型号PLC不支持这种指令写法，就必须使用PLS,PLF指令来转换。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-35071#493957.html]]></link>
 <author><![CDATA[bogegongkong]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 18 Apr 2009 12:34:19 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[为1楼鼓掌]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-35071#493037.html]]></link>
 <author><![CDATA[春思雨]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 17 Apr 2009 14:10:20 +0000]]></pubdate>
</item>
</channel></rss>