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西门子电梯四层plc控制.doc
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西门子电梯四层plc控制.doc
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. . . .
I / 20
摘要
随着科学技术的开展近年来,我国的电梯生产技术得到了迅速开展.一些电梯厂也在
不断改良设计、修改工艺。更新换代生产更新型的电梯,电梯主要分为机械系统与控制系
统两大部份,随着自动控制理论与微电子技术的开展,电梯的拖动方式与控制手段均发生
了很大的变化,交流调速是当前电梯拖动的主要开展方向。目前电梯控制系统主要有三种
控制方式:继电路控制系统(“早期安装的电梯多位继电器控制系统)、PLC 控制系统、微
机控制系统。继电器控制系统由于故障率高、可靠性差、控制方式不灵活以与消耗功率大
等缺点,目前已逐渐被淘汰。微机控制系统虽在智能控制方面有较强的功能,但也存在抗
扰性差,系统设计复杂,一般维修人员难以掌握其维修技术等缺陷。而 PLC 控制系统由于
运行可靠性高,使用维修方便,抗干扰性强,设计和调试周期较短等优点,倍受人们重视
等优点,已成为目前在电梯控制系统中使用最多的控制方式,目前也广泛用于传统继电器
控制系统的技术改造。
关键词 plc 电梯 控制系统 电梯系统运行
. . . .
Abstract
Along with science's and technology's development, the recent years, our country's
elevator production technology obtained the rapidly expand. Some elevator factory unceasingly
is also improving the design, the revision craft. The renewal production renewal's elevator, the
elevator mainly divides into the mechanical system and the control system two major parts,
along with the automatic control theory and microelectronic technology's development,
elevator's dragging way and the control method has had the very big change, the exchange
velocity modulation is the current elevator dragging main development direction. At present the
lift control system mainly has three control modes: Following electric circuit control system
(“early installment elevator many black-white control system), PLC control system,
microcomputer control system. Because the black-white control system the failure rate is high,
the reliability is bad, control mode not nimble as well as consumed power big and so on
shortcomings, at present has been eliminated gradually. Although the microcomputer control
system has the strong function in the intelligent control aspect, but also has the interference
rejection to be bad, the system design is complex, generally the servicemen master flaws with
difficulty and so on its service technology. But PLC control system, because moves the
reliability to be high, the use service is convenient, anti-jamming, the design and the debugging
cycle is short and so on merits, time is taken seriously the people and so on merits, have become
present use most control modes in the lift control system, at present also widely use in the
tradition black-white control system's technological transformations.
Key Words: the plc lift control system elevator systems operation overhauls and debugs
. . . .
III / 20
目录
摘要 I
AbstractII
1.引言 1
2.PLC 的产生与开展 2
3.PLC 与 MCGS 软件简介 3
3.1 PLC 简介 ........................................................3
3.2 PLC 的分类 ......................................................3
3.3 PLC 的工作原理和结构 ............................................3
3.3.1 PLC 的工作原理 .............................................3
3.3.2 结构 ......................................................4
3.4 西门子 S7-200 系列的编程软件 ....................................4
3.4.1 编程准备 ..................................................4
3.4.2 程序的调试和监控 ..........................................5
4.电梯的根本结构 5
4.1 电力拖动系统 .....................................................5
4.2 导向系统 .........................................................5
4.3 门系统 ...........................................................6
4.4 轿厢 .............................................................6
4.5 电气控制系统 .....................................................6
5.设计要求 6
5.1 开关门控制实验 ..................................................6
5.2 外呼按钮控制电梯升降实验 ........................................6
5.3 选按钮控制电梯升降实验 ..........................................7
6 .信号控制系统 7
6.1 信号控制系统介绍 .................................................7
6.2 电梯的控制系统实现如下功能 .......................................7
7.硬件设计 8
7.1 输出输入地址分配 .................................................8
7.2 硬件接线图 .......................................................9
8.系统结构框图 10
8.1 电梯开关门流程图 ................................................10
8.2 电梯上升下降流程图 ..............................................11
8.3 梯形图 ..........................................................12
总结 16
致 17
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