基于PLC和组态王的温度控制系统设计毕业论文

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1、I 摘 要 在工业领域，随着自动化程度的迅速提高，用户对控制系统的过程监控要求 越来越高，人机界面的出现正好满足了用户这一需求。人机界面可以对控制系统 进行全面监控，包括过程监测、报警提示、数据记录等功能，从而使控制系统变 得操作人性化、过程可视化，在自动控制领域的作用日益显著。 可编程控制器是一种应用很广泛的自动控制装置， 它将传统的继电器控制技 术、计算机技术和通讯技术融为一体，具有控制能力强、操作灵活方便、可靠性 高、适宜长期连续工作的特点，非常适合温度控制的要求。 本文主要介绍了基于西门子公司S7-200系列的可编程控制器和亚控公司的 组态软件组态王的炉温控制系统的设计方案。编程时调用

2、了编程软件STEP 7 -Micro WIN中自带的PID控制模块，使得程序更为简洁，运行速度更为理想。利 用组态软件组态王设计人机界面，实现控制系统的实时监控、数据的实时采样与 处理。实验证明，此系统具有快、准、稳等优点，在工业温度控制领域能够广泛 应用。 关键词：温度控制 可编程控制器 人机界面 组态王 II Abstract Programmable Logic Controller (PLC) is a kind of automatic control equipment which is widely used in the industrial manufacture. It m

3、erges the traditional control technology, computer and communication technologies with a strong ability to control, flexible operation, high reliability and suitable for long-term characteristics of continuous work. It is very suitable for temperature control requirements. In the industrial field, w

4、ith the rapid increase in the degree of automation, it is more and more important to monitor the process of control system for the users. The emergence of human-machine interface meets the needs of users. Man-machine interface can comprehensively monitor the control system, including process monitor

5、ing, alarm, data logging and other functions, so that the control systems have become user-friendly operation, the process of visualization and it will play more and more important part in the field of automatic control. This essay mainly introduces a design of temperature control system with SIMATI

6、C programmable logic controller (PLC) and configuration software Kingview which is developed by Beijing Yakong Company. When programming, we use the PID control arithmetic software module which is contained in the program software STEP 7 -Micro WIN so that the program looks easier and operates more quickly. In order to monitor the control system and process data in actual time, we designed Human Machine Interface（HMI）with the configuration software Kingview. The result of experiment proves th