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病床呼叫控制系统设计.doc
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病床呼叫控制系统设计.doc
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目录之中.
机电工程学院
课 程 设 计 说 明 书
设计题目: 病床呼叫控制系统设计
学生姓名: XXXXXX
学 号: XXXXXXXXXXXX
专业班级: 机制 FXXXX 班
指导教师: 王宗才
2013 年 XX 月 XX 日
- 0 -
内容摘要
本次课程设计的主要内容是设计一款病床呼叫控制系统,共有 6 个病房,每间病房
4 个床位。每一病床床头均有紧急呼叫及重置按钮,以利病人不适时紧急呼叫。设每一层
楼有一护士站,每一护士站均有该层楼病人紧急呼叫与处理完毕的重置按钮。每一病床
床头均有一紧急指示灯,一旦病人按下紧急呼叫按钮且未在 5s 内按下重置按钮时,该
病床床头紧急指示灯动作且病房门口紧急指示灯闪烁,同时同楼层的护士站显示病房紧
急呼叫并闪烁指示灯.在护士站的病房紧急呼叫中心,每一病房都有编号,用数码管显示
哪一病房先按下病人紧急呼叫按钮,并要具有优先级判别的能力。一旦护士看见护士站
紧急呼叫闪烁灯后,须先按下护士处理按钮以取消闪烁情况,再依病房紧急呼叫顺序处
理病房紧急事故,若事故处理妥当后,病房紧急闪烁指示灯和病床上的紧急指示灯方被
重置.
本控制系统采用西门子 S7-200PLC 进行设计。目前,PLC 已在工业生产过程的自动
控制中得到了广泛的应用。它具有结构简单、易于编程、性能优越、可靠性高、维修方
便和使用方便等一系列优点。通过 PLC 可以完美的实现该控制系统所要实现的全部功能。
关键词:简单;经济;及时;准确;优先级判别的能力
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目 录
第 1 章 引
言·······························
·····················1
1.1 方案说
明·····································
·····················2
1.1.1 设计原
理·····································
··············2
1.1。2 控制要
求·····································
··············2
1。2 设计方案的论
证·····································
···············2
1。2.1 方案提
出·····································
··············2
1.2。2 方案选
择·····································
··············3
1。2。3 系统硬件配置及组
成·····································
····3
第 2 章 PLC 控制系统设
计·······························
··········3
2.1 控制流程图的绘
制·····································
- 1 -
············ 3
2。2 I/O 地址分配
表·····································
···············4
2.3 PLC 类型的选
择·····································
···············5
2。3.1 CPU 的选
择·····································
············5
2。3。2 拓展块的选
择·····································
··········5
2。4 I/O 接线图的绘
制·····································
·············5
2。5 控制程序的编
制·····································
···············8
第 3 章 系统试验及测
试·······························
··········19
3.1 系统调试方
法·····································
··············· 19
3。2 系统调试过程及效
果·····································
········· 19
结
论·······························
···························22
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设计总
结·······························
·······················23
谢
辞·······························
···························24
附
录·······························
···························25
参考文
献·······························
·······················35
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