目 录
一、引言 ........................................................................................................................................................4
二、设计任务分析 ........................................................................................................................................4
2.1 任务分析内容 ..................................................................................................................................4
2.2 任务分析要求 ..................................................................................................................................5
2.2.1 对锅炉控制的基本要求 .......................................................................................................5
2.2.2 对系统控制的要求 ...............................................................................................................5
三、技术方案初选 ........................................................................................................................................5
3.1 使用设备及器件初选 ......................................................................................................................5
3.2 控制系统方案的初选 ......................................................................................................................6
四、技术方案的详细设计 ............................................................................................................................6
4.1PLC 选型...........................................................................................................................................6
4.2 控制系统的 I/O 点及地址分配.......................................................................................................6
4.3 电气控制系统原理图 ......................................................................................................................7
4.3.1 主电路图 ...............................................................................................................................7
4.3.2 控制电路图 ...........................................................................................................................9
4.3.3PLC 的外接线图....................................................................................................................9
五、总结评价 ..............................................................................................................................................10
致谢 ..............................................................................................................................................................11
参考文献 ......................................................................................................................................................11
附录： ..........................................................................................................................................................12
