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目 录
摘要..................................................................................................................................................Ⅰ
Abstract............................................................................................................................................Ⅱ
1 绪论................................................................................................................................................1
1.1 设计 PLC 控制花样喷泉的研究背景 ................................................................................1
1.1.1 国内外研究现状......................................................................................................1
1.2 设计研究的目的及意义.....................................................................................................1
2 喷泉的设计要求............................................................................................................................3
2.1 喷泉设计的主要内容..........................................................................................................3
2.2 PLC 控制花样喷泉运行要求 .............................................................................................3
2.3 喷泉规模的设计.................................................................................................................3
3 控制系统总设计............................................................................................................................5
3.1 喷泉的运行流程图的设计..................................................................................................5
3.2 喷泉的运行过程的设计......................................................................................................6
3.3 系统设计的基本步骤..........................................................................................................6
3.4 系统的结构框图..................................................................................................................7
4 系统硬件设计................................................................................................................................8
4.1 主控制器方案设计..............................................................................................................8
4.2 硬件介绍——PAC Systems RX3i.....................................................................................8
4.3 硬件的选择........................................................................................................................12
4.3.1 变频器选型............................................................................................................12
4.3.2 水泵的选型............................................................................................................13
4.3.3 喷头的选择方案....................................................................................................14
4.4 花样喷泉控制主电路图...................................................................................................14
4.5 外部接线的设计...............................................................................................................18
4.5.1 外部接线图.............................................................................................................15
4.5.2 I/O 分配表 ..........................................................................................................16
5 系统软件设计..............................................................................................................................18
5.1 PLC 梯形图概述 ...............................................................................................................18
5.2 PME 编程软件 ..................................................................................................................18
5.3 花式喷泉的 PLC 控制流程图 .........................................................................................19
5.4 程序设计梯形图................................................................................................................20
总结..................................................................................................................................................32
致谢..................................................................................................................................................33
参考文献..........................................................................................................................................34