LED
<h2>LED的使用</h2>
<p><img src="https://www.showdoc.com.cn/server/api/attachment/visitFile?sign=4c95e7dc01a4b6639b93b90a5190b458&amp;file=file.png" alt="" />
<img src="https://www.showdoc.com.cn/server/api/attachment/visitFile?sign=fcfc3e22c9a8ed9452b498ff4ad5bbfb&amp;file=file.png" alt="" />
（注：效果图为LED灯）</p>
<h3>一、LED灯介绍</h3>
<table>
<thead>
<tr>
<th>灯</th>
<th>数量</th>
<th>状态和颜色</th>
</tr>
</thead>
<tbody>
<tr>
<td>RUN系统指示灯</td>
<td>1</td>
<td>黄色闪烁</td>
</tr>
<tr>
<td>PWR电源指示灯</td>
<td>1</td>
<td>绿色常亮</td>
</tr>
<tr>
<td>ERR系统错误状态灯</td>
<td>1</td>
<td>无错误时不亮，有错误红色闪烁</td>
</tr>
<tr>
<td>SSD硬盘指示灯</td>
<td>1</td>
<td>红色</td>
</tr>
<tr>
<td>可编程指示灯LED1-LED4</td>
<td>4</td>
<td>绿色常亮</td>
</tr>
<tr>
<td>RS485，RS232 指示灯</td>
<td>8 x RS485, 2 x RS232</td>
<td>传输数据时绿色闪烁</td>
</tr>
<tr>
<td>DI指示灯</td>
<td>18</td>
<td>高电平亮灯绿色</td>
</tr>
<tr>
<td>DO指示灯</td>
<td>8</td>
<td>高电平亮灯绿色</td>
</tr>
</tbody>
</table>