找人开发定时控制器
<p>工作流程：</p><p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri,sans-serif">1<span style="font-family:宋体">：输入</span>12V25A</span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri,sans-serif">2<span style="font-family:宋体">：输出</span>12V4.5A</span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri,sans-serif">3<span style="font-family:宋体">：电源开关和摇控器同步“开”和“关”（无障碍</span>100<span style="font-family:宋体">米内摇控）</span></span></span></p>
<p style="margin-left:28px; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri,sans-serif">4<span style="font-family:宋体">：料位传感器（</span>NPN<span style="font-family:宋体">接近开关）和无料报警</span>LDE<span style="font-family:宋体">灯同步，无料输出一个高电平，有料输出一个低电平</span></span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri,sans-serif">5<span style="font-family:宋体">：电池电量显示（用</span>5<span style="font-family:宋体">个</span>LDE<span style="font-family:宋体">灯来提示）</span></span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri,sans-serif">6<span style="font-family:宋体">：一个“定时”电位器（数字刻度盘）</span></span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri,sans-serif">7<span style="font-family:宋体">：一个“用时”</span> <span style="font-family:宋体">电位器（即三个阶段电位器工作时间总和）</span></span></span></p>
<p style="margin-left:21px; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri,sans-serif">8<span style="font-family:宋体">：三个阶段电位器：第一段，二段，三段是工作顺序，时间误差</span>0.5<span style="font-family:宋体">秒，</span></span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri,sans-serif">1<span style="font-family:宋体">）第一阶段通电</span>5<span style="font-family:宋体">秒断电</span>3<span style="font-family:宋体">秒重复循环，达到设定时间执行第二段</span></span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri,sans-serif">2<span style="font-family:宋体">）第二阶段通电</span>5<span style="font-family:宋体">秒断电</span>9<span style="font-family:宋体">秒重复循环，达到设定时间执行第三段</span></span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri,sans-serif">3<span style="font-family:宋体">）第三阶段通电</span>5<span style="font-family:宋体">秒断电</span>20<span style="font-family:宋体">秒重复循环，达到工作时间停止工作。</span></span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri,sans-serif"><span style="font-family:宋体">通电时间是固定的，断电秒钟可调动的。</span></span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri,sans-serif"><span style="font-family:宋体">仅限广州周边个有服务商，有把握再投标。电话：13535222479</span></span></span></p>
买个国产PLC自己玩玩算了
页:
[1]