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基于组态王的H2S浓度监测系统的研究与实现_自动化专业论文

发布时间:2015-01-23 来源:人大经济论坛
自动化专业论文范文 目 录 摘 要I ABSTRACTII 1 前 言1 1.1 项目背景、意义1 1.2 项目研究内容2 2 PLC和HMI基础4 2.1 可编程控制器基础4 2.1.1 可编程控制器的产生和应用4 2.1.2 可编程控制器的组成和工作原理4 2.1.3 可编程控制器的分类及特点7 2.2 人机界面基础7 2.2.1 人机界面的定义7 2.2.2 人机界面产品的组成及工作原理8 2.2.3 人机界面产品的特点8 3 PLC控制系统硬件设计9 3.1 PLC控制系统设计的基本原则和步骤9 3.1.1 PLC控制系统设计的基本原则9 3.1.2 PLC控制系统设计的一般步骤11 3.1.3 系统硬件结构12 3.2 PLC的选型与硬件配置13 3.2.1 PLC型号的选择13 3.2.2 1756 ENBT EtherNet/IP通讯模块14 3.2.3 ControlNet网络模块14 3.2.4 Net485转换器15 3.2.5 H2S浓度传感器16 4 PLC控制系统软件设计18 4.1 PLC程序设计方法18 4.1.1 本系统软件设计步骤19 4.2 编程软件RSLogix5000概述20 4.2.1 RSLogix 5000设置以及实现21 4.2.2 RSLogix 5000参数设置(模块设置)22 4.2.3 RSLogix通讯设置(检测设置)25 5 基于组态王的HMI设计33 5.1 人机界面(HMI)设计33 5.1.1 监测画面34 5.1.2 实时趋势图35 5.1.3 报警窗口36 5.2 变量设置37 5.3 动画连接39 6 系统运行结果和分析及总结与展望41 6.1 系统运行41 6.2 运行结果分析41 6.2.1 浓度数据采集显示41 6.2.2 浓度趋势曲线分析42 6.2.3 报警信息分析43 6.2.4 总结与展望43 参考文献45 谢 辞46 摘 要 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,非常适合浓度监测的要求。 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。 本文主要介绍了基于罗克韦尔公司Control Logix系列的可编程控制器和亚控公司的组态软件组态王的浓度控制系统的设计方案。编程时只需运用RSLogix5000编程软件对H2S控制器进行配置。利用组态软件组态王设计人机界面,实现监测系统的实时监控、数据的实时采集与处理。实验证明,此系统具有快、准、稳等优点,在气体浓度控制领域能够广泛应用。 关键词: 浓度监测 可编程控制器 H2S控制器 组态王 人机界面 Monitoring system combining PLC with Kingview for H2S concentration ABSTRACT Programmable Logic Controller (PLC) is a kind of automatic control equipment which is widely used in the industrial manufacture. It merges 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, with 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. Human-machine interface can comprehensively monitor the control system, including process monitoring, 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 monitoring system combining Rockwell programmable logic controller (PLC) and configuration software Kingview which is developed by Beijing Yakong Company. When programming, we use the RSLogix5000 software operates to the H2S Controller. 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 that this monitoring system could run quickly, accurately and have good stability, which is the advantage of the monitoring system. This monitoring system has been widely used in the industrial concentration monitoring field. Key words:Concentration monitoring PLC H2S Controller Kingview HMI
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