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 <title><![CDATA[西门子plc以下程序段用scl语言该怎么写， ..]]></title>
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 <description><![CDATA[标准答案：


R_TRIG1(CLK:= I4,.2 , Q=&gt; );&nbsp;&nbsp;&nbsp;&nbsp;



 %Q5.2&nbsp;&nbsp;&nbsp;&nbsp;：=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(R_TRIG1.Q&nbsp;&nbsp;&nbsp;&nbsp; OR&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;%Q5.2)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1617405#1959140.html]]></link>
 <author><![CDATA[yj87964960]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 23 Mar 2018 14:45:14 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[4楼是大神，最理解scl的基础知识]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1617405#1956902.html]]></link>
 <author><![CDATA[奋斗2012]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 12 Mar 2018 09:05:23 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[IF LDP(NOT M1,X0) THEN
Y0:=TRUE;
END_IF;
IF M1 THEN
Y0:=FALSE;
END_IF;]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1617405#1950301.html]]></link>
 <author><![CDATA[shangbinhou]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 24 Jan 2018 06:11:14 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[感觉西门子的SCL要比三菱的ST麻烦不少
一下位三菱的ST
IF LDP(TRUE,X0) THEN
Y0:=1;
END_IF;
IF NOT M28 THEN
Y0:=0;
END_IF;]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1617405#1950300.html]]></link>
 <author><![CDATA[shangbinhou]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 24 Jan 2018 06:08:34 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第3楼jx_einstein于2017-08-15 08:59发表的&nbsp;&nbsp;:
R_TRIG1(CLK:= I4,.2 , Q=&gt; );
IF&#160;&#160;R_TRIG1.Q THEN
&#160;&#160;&#160;&#160;&#160;&#160;Q5.2:=TRUE;
END_IF;
 IF M28.4 THEN
.......
[/quote]

楼上正解]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1617405#1950298.html]]></link>
 <author><![CDATA[shangbinhou]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 24 Jan 2018 05:59:30 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[[s:32][s:17][s:39][s:26][s:21][s:28]
Q5.2 :=(I4.2 AND( NOT M33.2) OR Q5.2 ) AND NOT M28.4;
M33.2 :=I4.2;]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1617405#1926801.html]]></link>
 <author><![CDATA[yanxuyao]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 10 Oct 2017 08:00:41 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[R_TRIG1(CLK:= I4,.2 , Q=&gt; );
IF&nbsp;&nbsp;R_TRIG1.Q THEN
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Q5.2:=TRUE;
END_IF;
 IF M28.4 THEN
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Q5.2:=FALSE;
END_IF;]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1617405#1913304.html]]></link>
 <author><![CDATA[jx_einstein]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 15 Aug 2017 00:59:56 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[啊？啥也没有]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1617405#1913121.html]]></link>
 <author><![CDATA[西瓜abc]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 14 Aug 2017 07:24:45 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[随便写了哈，自己琢磨]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1617405#1912650.html]]></link>
 <author><![CDATA[adnnin]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sat, 12 Aug 2017 01:34:55 +0000]]></pubdate>
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