<?xml version="1.0" encoding="gbk"?>
<rss version="2.0">
<channel>
 <title><![CDATA[请教：S7-300计数器中设置输入端和预置值 ..]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88218.html]]></link>
 <description><![CDATA[Latest 50 replies of 请教：S7-300计数器中设置输入端和预置值 ..]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
 <generator><![CDATA[www.ymmfa.com]]></generator>
 <lastBuildDate><![CDATA[Mon, 13 Apr 2026 18:05:05 +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[明白了，谢谢]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88218#914016.html]]></link>
 <author><![CDATA[he_shijie]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 26 Nov 2010 06:48:02 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[S端设置的意思是：在S端的RLO的上升沿将PV端的值装入计数器中。
可以把它想成：修改计数器当前值的端子。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88218#913915.html]]></link>
 <author><![CDATA[sjm213]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 26 Nov 2010 05:07:14 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[通俗点说：这个S端是不是就是计数器的启动端？在S端的RLO的上升沿触发计数器工作？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88218#913672.html]]></link>
 <author><![CDATA[he_shijie]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 26 Nov 2010 00:43:31 +0000]]></pubdate>
</item>
</channel></rss>