
目录
摘 要 ..........................................................................................................................I
ABSTRACT ......................................................................................................................................II
第一章 绪论......................................................................................................................................1
1.1 引言.....................................................................................................................................1
系统功能设计............................................................................................................................1
第二章 生活热水控制系统的总体设计..........................................................................................3
2.1 生活热水控制系统构成方案.............................................................................................3
2.2 生活热水控制系统的控制方案.........................................................................................4
2.3 本章小结.............................................................................................................................5
第三章 系统的硬件原理设计..........................................................................................................6
3.1 系统整体硬件设计.............................................................................................................6
3.1.1 控制器及各扩展插件设计......................................................................................6
3.1.2 触摸屏的选型..........................................................................................................7
3.1.3 热泵机组选型..........................................................................................................7
3.1.4 变频器选型..............................................................................................................9
传感器的选择....................................................................................................................9
供水机组的选型..............................................................................................................10
3.2 I/O 地址分配 ..................................................................................................................11
3.3 系统硬件线路设计...........................................................................................................12
3.4 本章小结...........................................................................................................................15
第四章 生活热水控制系统软件的设计......................................................................................16
4.1 编程方法...........................................................................................................................16
4.2 编程软件的简单介绍.......................................................................................................16
4.3 PLC 功能设计 ...................................................................................................................16
4.4 手动模式设计...................................................................................................................18
4.5 自动模式设计...................................................................................................................18
4.5.1 自动注水阶段........................................................................................................19
4.5.2 自动加热阶段........................................................................................................20
4.5.3 自动供水阶段........................................................................................................21
4.6 触摸屏设计.......................................................................................................................22
第五章 总结与期望........................................................................................................................23
5.1 总结...................................................................................................................................23
5.2 展望...................................................................................................................................23
致 谢..............................................................................................................................................24
参考文献..................................................................................................................25