MEC控制箱...

<p><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;"><font face="宋体">由于工期紧迫，从西门定了几个</font></span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;">mec</span><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;"><font face="宋体">和</font></span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;">mec</span><font face="宋体"><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">控制箱、MBC控制器，但有几个问题还是不明白</span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;"><p></p></span></font></p><p></p><p></p><p><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;">1</span><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;"><font face="宋体">、</font></span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;">mec</span><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;"><font face="宋体">端子上的＋</font></span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;">24vdc sensor supply</span><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;"><font face="宋体">和</font></span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;"> shield</span><font face="宋体"><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">是做啥用的？</span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;"><p></p></span></font></p><p></p><p></p><p><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;">2</span><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;"><font face="宋体">、mec电动阀和传感器的电源从那里取</font></span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;">?</span><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;"><font face="宋体">从控制器的＋</font></span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;">24vdc sensor supply</span><font face="宋体"><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">上吗？</span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;"><p></p></span></font></p><p></p><p></p><p><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;">3</span><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;"><font face="宋体">、箱子里进来的电源在那接线？（</font></span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;">mbc</span><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;"><font face="宋体">要打开电源盒子，</font></span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;">mec</span><font face="宋体"><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">需要吗？）</span></font></p><p><font face="宋体"><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">4、因为没有电源箱，MBC控制器中的24v电动调节阀的电源可否用模块上的电源？</span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;"><p></p></span></font></p><p></p><p></p><p><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;"><font face="宋体"><font face="Arial">5</font>、不加中间继电器可以吗？（都是</font></span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;">1</span><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;"><font face="宋体">。</font></span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;">1kw</span><font face="宋体"><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">的风机）</span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;"><p></p></span></font></p><p></p><p></p><p><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;"><font face="宋体">着急，先谢了：）</font></span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;"><p></p></span></p><p></p><p></p><p></p>

[此贴子已经被作者于2006-9-14 14:16:20编辑过]

<font face="Arial">shield</font><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: arial; mso-hansi-font-family: arial; mso-bidi-font-family: arial;"><font face="宋体">是遮蔽接线端</font></span>

<p>＋<span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: arial;">24vdc sensor supply是传感器电源端子</span></p>

不需要打开电源盒子

<p>LZ英语不太好噢.</p><p>楼上没答的问题,我感觉最好不要这样做.容易烧掉点模块,贵</p>

<div class="quote"><b>以下是引用<i>xzroad</i>在2006-9-14 13:48:00的发言：</b><br/><p><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;"><font face="宋体">由于工期紧迫，从西门定了几个</font></span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;">mec</span><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;"><font face="宋体">和</font></span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;">mec</span><font face="宋体"><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">控制箱、MBC控制器，但有几个问题还是不明白</span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;">
                                        <p></p></span></font></p><p></p><p></p><p></p><p></p><p><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;">1</span><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;"><font face="宋体">、</font></span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;">mec</span><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;"><font face="宋体">端子上的＋</font></span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;">24vdc sensor supply</span><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;"><font face="宋体">和</font></span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;"> shield</span><font face="宋体"><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">是做啥用的？</span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;">
                                        <p></p></span></font></p><p></p><p></p><p></p><p></p><p><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;">2</span><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;"><font face="宋体">、mec电动阀和传感器的电源从那里取</font></span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;">?</span><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;"><font face="宋体">从控制器的＋</font></span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;">24vdc sensor supply</span><font face="宋体"><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">上吗？</span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;">
                                        <p></p></span></font></p><p></p><p></p><p></p><p></p><p><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;">3</span><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;"><font face="宋体">、箱子里进来的电源在那接线？（</font></span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;">mbc</span><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;"><font face="宋体">要打开电源盒子，</font></span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;">mec</span><font face="宋体"><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">需要吗？）</span></font></p><p><font face="宋体"><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">4、因为没有电源箱，MBC控制器中的24v电动调节阀的电源可否用模块上的电源？</span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;">
                                        <p></p></span></font></p><p></p><p></p><p></p><p></p><p><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;"><font face="宋体"><font face="Arial">5</font>、不加中间继电器可以吗？（都是</font></span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;">1</span><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;"><font face="宋体">。</font></span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;">1kw</span><font face="宋体"><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">的风机）</span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;">
                                        <p></p></span></font></p><p></p><p></p><p></p><p></p><p><span twffan="done" style="FONT-SIZE: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;"><font face="宋体">着急，先谢了：）</font></span><span lang="EN-US" twffan="done" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;">
                                <p></p></span></p><p></p><p></p><p></p><p></p><p></p><br/></div><p></p><p>1、24vdc和sensor 等，不用去考虑，因为目前传感器，大多都是24V交流供电，直流的很少。</p><p>2、传感器的电话直接给DDC供电的24VAC变压器的段子排上取，需要考虑的是根据传感器等的数量，计算好符合，否则电源变压器会承受不起。一般情况下，MEC自带的电源变压器，完全可以满足整个MEC箱子内各种AO 、AI设备的电源使用要求。</p><p>3、取MEC电源，最好也是打开盒子，然后从段子排引出一个分支来。</p><p>4、完全可以用模块上的电源，但是如果用的多了，因为MBC容量比较大，考虑好MBC电源的承受能力。</p><p>5、MEC 的AO点和MBC的2Q250模块触点的容量，如果没记错的话，应该是2.5A。完全可以不加中间集电器，如果不加，需要考虑的是，DDC直接介入强电线路，对将来维护人员可能带来以外伤害。另外，楼主需要搞明白一点，你所控制的只不过是风机或其它设备电控箱内的控制接触器，所以，和DDC段子排容量对比，不应该按控制设备的功率计算，而是应该按控制设备，控制箱内的控制接触器的线圈符合来计算！</p><p>如有疑问，再联系</p><p>回答完毕！</p>

<p>非常感谢楼上的朋友！这几天在工地没上网</p><p>第3个问题我还是不明白，我从配电箱引了3根线（L，N，PE），进MEC控制箱后该接到那里？需要打开MEC控制箱电源盒子吗？</p>

<p>“非常感谢楼上的朋友！这几天在工地没上网</p><p>第3个问题我还是不明白，我从配电箱引了3根线（L，N，PE），进MEC控制箱后该接到那里？需要打开MEC控制箱电源盒子吗？”</p><p></p><p>你没看到mec侧面有个电源的插座吗？那个就是接电源的，注意交流24v</p><p></p><p></p>

<p>谢谢！已经交工了</p>