RS-485网上接入1台MBC控制器，调试遇到问题了...

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><font face="Times New Roman">RS-485</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">网上接入</span><span lang="EN-US"><font face="Times New Roman">1</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">台</span><span lang="EN-US"><font face="Times New Roman">MBC</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">控制器（</span><span lang="EN-US"><font face="Times New Roman">MBC-40</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">主箱体通过扩展连接</span><span lang="EN-US"><font face="Times New Roman">MBC-24</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">），一共点终端模块大约有</span><span lang="EN-US"><font face="Times New Roman">50</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">多块，调试过程中遇到扩展的</span><span lang="EN-US"><font face="Times New Roman">MBC-24</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">箱体中的部分点终端模块地址不能被识别出来（</span><span lang="EN-US"><font face="Times New Roman">MBC-24</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">箱体中有部分模块能识别出地址，可以正常使用），将这些不能被识别出地址的模块从槽位上取下，插到可以识别出地址的那些模块的槽位上，这些模块又可以正常使用，不知道怎么回事？</span><span lang="EN-US"><font face="Times New Roman">MBC-24</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">箱体中某个槽位之后的所有模块地址都不能识别出来，不能使用。请经验丰富的调试高手指教！</span></p>

两个箱子的地址码不能相同，查看是否有重复地址的。

MBC的电源是左右两边独立供电, 如有一边有问题, 就是电源模块或底板后的PCB出事了.

<p>查查cpu，上次我的cpu烧了和这个现象接近</p>

同意二楼和3楼的看法！其他的问题也想不出来了！！！

<p>忙了阵子没来，，呵呵，谢谢热心人的回复，我得去现场看看，解决不了回来还要向大虾们讨教啊，， </p><p>&nbsp;</p>...

<p>你看看是不是模块与底版上的金属母线接触不良的问题</p>