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车辆工程专业毕业论文，论文编号:JX880 论文字数:16619.页数:46
摘 要
近年来，随着越来越的制造企业采用自动化设备进行生产加工，基于PLC和触摸屏技术的控制系统逐渐应用于控制工程领域。本课题是通过OMRON公司的PLC（可编程控制器）控制技术和触摸屏技术来控制高吨位压力机作业。
编写梯形图程序，通过接受开关量、模拟量输入，经处理后输出开关量、模拟量去控制继电器的动作。对压缩机的各种动作的实现和过程的控制及时准确。触摸屏技术简化了操作，提高了控制的可靠性。基于PLC和触摸屏技术的冷压缩机控制系统，实现了多功能控制，减轻人工劳动强度，提高生产效率，安全可靠，易于操作。
关键词：PLC 触摸屏NT AD(模拟量)转换 冷压缩机
Abstract
In recent years, used the automatic equipment along with the more and more manufacture enterprise to carry on the production processing, the control system based on PLC And touches the screen technology gradually to apply to the control engineering domain. This topic is through OMRON Corporation''s PLC control technology and touches the screen technology to control the high tonnage presswork. The compilation trapezoidal chart procedure, through accepts the switch quantity, the simulation quantity input, After processing power take-off valve quantity, simulation quantity control relay movement. Prompt is accurate to the compressor each kind of movement realization and the process control. Touched the screen technology simplify the operation, enhanced the control reliability. Cold Compress Control System Based on PLC and Touches the Screen Technology, Has realized the multi-purpose control, reduces the artificial laboring tensely, enhances the production efficiency, safe reliable, is easy to operate.
Key word: PLC Touches the Screen Technology Simulation quantity Transformation Cold Compress Control System
目 录
中文摘要..i
英文摘要..ii
目录..iii
第一章 绪论
1.1 涉及的关键技术及研究现状1
1.1.1 PLC及其发展趋势.1
1.1.2 本课题所采用的PLC控制系统..2
1.1.3 触摸屏技术简介7
1.1.4 可编程终端NT631/NT631C的操作及应用7
1.2 设计项目介绍.15
第二章 冷机控制系统的设计.18
2.1 梯形图介绍18
2.2 SCL指令参数设置18
2.3 AD003初始化参数设置..22
2.4 泵的选择程序23
第三章 冷机控制系统梯形图程序设计
3.1 冷机D4降压启动程序25
3.2 冷机D5降压启动程序26
3.3 冷机D1降压启动程序27
3.4 冷机D2降压启动程序28
3.5 冷机执行设定压力29
3.6 冷机手动控制.32
第四章 NT触摸屏设计.33
第五章 结论.34
致谢35
参考文献..36
