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目录
目录·································································1
【摘要】······························································2
第一章电梯控制系统的组成·············································2
1.1电力拖动······················································2
1.2电气控制······················································2
第二·····················································3
2.1电梯PLC控制方案············································· 3
2.2 PLC输入信号的确定方法·······································3
2.3 PLC输出信号的确定方法·······································3
2.4 PLC控制程序的编制方法··············································3
第三章 总体设计······················································6
3.1 设计方案与技术指标············································6
3.1.1 设计方案·················································6
3.1.2 主要技术指标·············································6
3.1.3 系统设计·················································6
第四章 电梯模型PLC控制系统设计······································7
4.1 电梯的控制要求················································7
4.2 PLC控制系统的设计分析·········································7
4.3 I/O分配表·····················································8
4.4 硬线接线图·····················································8
4.5 PLC程序梯形图·····················································9
4.6 指令表·················································11
【结束语】···························································13
【参考文献】····························································13
致谢····································································14
四层电梯控制系统的设计(三菱FX2N)
张岩
【摘要】
随着中国的发展。人均占有的面积再减少,住房的压力在加大,国家加强了占地面积的使用。科学技术的发展、近年来,我国的电梯生产技术得到了迅速发展.一些电梯厂也在不断改进设计、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发展,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发展方向。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、控制方式不灵活以及消耗功率大等缺点,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
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