<?xml version="1.0" standalone="yes"?>
<?xml-stylesheet type="text/xsl" href="css/rss.xslt"?>
<rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>西门子变频器 - s7-300</title><link>http://www.titan-stone.com/blog/</link><description>北京天运顺通科技发展有限责任公司 - </description><generator>RainbowSoft Studio Z-Blog 1.8 Spirit Build 80708</generator><language>zh-CN</language><copyright>Copyright xxxx-xxxx Your WebSite. Some Rights Reserved.</copyright><pubDate>Sun, 05 Sep 2010 22:43:23 +0800</pubDate><item><title>S7-300的优势介绍</title><author>a@b.com (titanstone)</author><link>http://www.titan-stone.com/blog/post/57.html</link><pubDate>Mon, 23 Nov 2009 13:31:59 +0800</pubDate><guid>http://www.titan-stone.com/blog/post/57.html</guid><description><![CDATA[<p><strong><a target="_blank" href="http://www.titan-stone.com/s7-300.html">S7-300 </a></strong>是一种模块化了的小型PLC系统，尤其其所拥有的优越的性能价格比，使之逐渐的成为了中小规模控制系统的理想的选择。下面我们就来简单的介绍一下S7-300所拥有的优越性：<br />1.多种规格的处理器,系统采用独特的导轨安装;<br />2.高速的指令处理,可满足快速程序控制要求;<br />3.浮点数运算,可有效地实现更为复杂的数学运算;<br />...</p>]]></description><category>s7-300</category><comments>http://www.titan-stone.com/blog/post/57.html#comment</comments><wfw:comment>http://www.titan-stone.com/blog/</wfw:comment><wfw:commentRss>http://www.titan-stone.com/blog/feed.asp?cmt=57</wfw:commentRss><trackback:ping>http://www.titan-stone.com/blog/cmd.asp?act=tb&amp;id=57&amp;key=8ec8cac9</trackback:ping></item><item><title>S7-300的存储器概念</title><author>a@b.com (titanstone)</author><link>http://www.titan-stone.com/blog/post/32.html</link><pubDate>Tue, 13 Oct 2009 18:45:50 +0800</pubDate><guid>http://www.titan-stone.com/blog/post/32.html</guid><description><![CDATA[<p><strong><a target="_blank" href="http://www.titan-stone.com/s7-300.html">S7-300</a></strong>装载存储器是一个可编程模块，它包括建立在编程设备上的装载对象（逻辑块、数据块和其他信息），它可以是存储器卡或内部集成的RAM。存储器卡一般有两种，其中，当采用RAM存储器卡时，系统必须配备电池，当采用Flash EPROM存储器卡时，则断电不会丢失，但内部RAM中的数据仍需电池保持。工作存储器仅包含和运行时间使用的程序和数据，RAM工作存储器集成在CPU中，通过后备电池保持。S7-300系统存储器包括过程映象输入和输出表（PII，PIQ），位存储器，定时器，计数器和局部堆践。保持存储器是非挥发的RAM，即使没有安装后备电池也可用来保持某些数据，设置CPU参数时要指定保持的区域。<br />...</p>]]></description><category>s7-300</category><comments>http://www.titan-stone.com/blog/post/32.html#comment</comments><wfw:comment>http://www.titan-stone.com/blog/</wfw:comment><wfw:commentRss>http://www.titan-stone.com/blog/feed.asp?cmt=32</wfw:commentRss><trackback:ping>http://www.titan-stone.com/blog/cmd.asp?act=tb&amp;id=32&amp;key=25cb7ea4</trackback:ping></item><item><title>S7-300</title><author>a@b.com (titanstone)</author><link>http://www.titan-stone.com/blog/post/9.html</link><pubDate>Tue, 01 Sep 2009 13:49:34 +0800</pubDate><guid>http://www.titan-stone.com/blog/post/9.html</guid><description><![CDATA[<p>&nbsp;</p><div style="text-indent: 21pt"><strong><a target="_blank" href="http://www.titan-stone.com/s7-300.html">S7-300</a></strong>较之于S7-200而言，主要是面向制造工程的解决方案。它应用于较高端的工业技术领域。S7－300系列有20种不同的CPU，每种CPU的前面板是不同的，当然也是大同小异的。</div><pre style="background: white; text-indent: 21pt">...]]></description><category>s7-300</category><comments>http://www.titan-stone.com/blog/post/9.html#comment</comments><wfw:comment>http://www.titan-stone.com/blog/</wfw:comment><wfw:commentRss>http://www.titan-stone.com/blog/feed.asp?cmt=9</wfw:commentRss><trackback:ping>http://www.titan-stone.com/blog/cmd.asp?act=tb&amp;id=9&amp;key=907d1913</trackback:ping></item><item><title>S7-300特点</title><author>a@b.com (titanstone)</author><link>http://www.titan-stone.com/blog/post/6.html</link><pubDate>Wed, 12 Aug 2009 15:58:46 +0800</pubDate><guid>http://www.titan-stone.com/blog/post/6.html</guid><description><![CDATA[<p style="text-indent: 21pt; margin: 0cm 0cm 0pt; mso-char-indent-count: 2.0" class="MsoNormal"><font size="3"><span lang="EN-US"><font face="Calibri">S7-300</font></span><span style="font-family: 宋体; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 宋体; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin">较之于</span><span lang="EN-US"><font face="Calibri">S7-200</font></span><span style="font-family: 宋体; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 宋体; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin">而言，主要是面向制造工程的解决方案。它应用于较高端的工业技术领域。</span><span lang="EN-US"><font face="Calibri">S7</font></span><span style="font-family: 宋体; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 宋体; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin">－</span><span lang="EN-US"><font face="Calibri">300</font></span><span style="font-family: 宋体; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 宋体; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin">系列有</span><span lang="EN-US"><font face="Calibri">20</font></span><span style="font-family: 宋体; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 宋体; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin">种不同的</span><span lang="EN-US"><font face="Calibri">CPU</font></span><span style="font-family: 宋体; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 宋体; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin">，每种</span><span lang="EN-US"><font face="Calibri">CPU</font></span><span style="font-family: 宋体; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 宋体; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin">的前面板是不同的，当然也是大同小异的。</span></font></p>...]]></description><category>s7-300</category><comments>http://www.titan-stone.com/blog/post/6.html#comment</comments><wfw:comment>http://www.titan-stone.com/blog/</wfw:comment><wfw:commentRss>http://www.titan-stone.com/blog/feed.asp?cmt=6</wfw:commentRss><trackback:ping>http://www.titan-stone.com/blog/cmd.asp?act=tb&amp;id=6&amp;key=e137f232</trackback:ping></item></channel></rss>
