II
目 录
1 绪论..........................................................................................................................1
2 设计目的与要求......................................................................................................1
2.1 设计目的.......................................................................................................1
2.2 控制要求.......................................................................................................1
3 系统结构设计..........................................................................................................2
3.1 控制方案.......................................................................................................2
3.2 控制规律..........................................................................................................3
4 过程仪表选择..........................................................................................................4
4.1 液位变送器...................................................................................................4
4.2 电动调节阀...................................................................................................5
4.3 变频器...........................................................................................................6
4.4 水泵...............................................................................................................7
4.5 模拟量采集模块...........................................................................................8
4.6 模拟量输出模块...........................................................................................8
4.7 通信转换模块..................................................................................................8
4.8 开关电源..........................................................................................................9
5 系统组态设计..........................................................................................................9
5.1 组态软件介绍...............................................................................................9
5.2 系统组态图.................................................................................................10
5.3 历史曲线.....................................................................................................11
5.3 数据字典.....................................................................................................12
6 结论........................................................................................................................14
设计心得......................................................................................................................15
参 考 文 献................................................................................................................16
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