目 录
1 设计目的与要求.......................................................1
1.1 设计目的...............................................................................................................................1
1.2 设计要求...............................................................................................................................1
2 系统结构设计.........................................................2
2.1 控制方案...............................................................................................................................2
2.2 系统结构...............................................................................................................................2
3 过程仪表选择.........................................................3
3.1 液位传感器...........................................................................................................................3
3.2 电磁流量传感器...................................................................................................................3
3.3 电动调节阀...........................................................................................................................4
3.4 水泵.......................................................................................................................................4
3.5 变频器...................................................................................................................................4
3.6 模块选择...............................................................................................................................5
4 系统组态设计.........................................................6
4.1 工艺流程图与系统组态图设计...........................................................................................6
4.2 组态画面...............................................................................................................................7
4.3 数据字典...............................................................................................................................8
4.4 应用程序...............................................................................................................................8
4.5 动画连接.............................................................................................................................10
总 结....................................................................12
致 谢....................................................................14
参 考 文 献.............................................................15
附录 A 单回路控制系统 PID 控制算法..............................16
附录 B PID 控制算法流程图.........................................17
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