1、 基于触摸屏的天然气调压站智能监控系统设计 Design of Smart Monitoring System Based on Touch Screen for Natural Gas Pressure Regulating Station 基于触摸屏的天然气调压站智能监控系统设计 I 基于触摸屏的天然气调压站智能监控系统设计 摘摘 要要 该设计主要是关于天然气调压站的工作原理及由西门子公司开发的 S7-200PLC 芯片和 HITECH 触摸屏实现的智能监控系统设计。 系统通过实时监测调压站关 键部位的压力、压差、阀位和流量等主要参数，在友好的触摸屏人机界面上及时反映天 然气调压站的实际工
2、作状况，并作用于执行机构进行实时调整，确保供气系统安全、稳 定及高效运行。研究了如何实现友好人机界面的设计，并设计主菜单、数据显示、动作 控制、时间设置和参数设置等界面。而且系统可以通过本地触摸屏和远程网络两种方式 进行实时监控，并为上位机预留了标准的 Modbus 通信接口，便于系统远程网络化控制 和管理。 关键词关键词 触摸屏；可编程序逻辑控制器；监控系统；天然气调压；人机界面 Design of the Monitoring System Based on Natural Gas Regulator Station Smart Touch Screen Electrical Engine
3、ering and Automation Specialty YUAN Jun-nan Abstract：The design is implemented on the working principle of the natural gas regulator station and developed by Siemens S7-200PLC chip and Hitachi touch screen intelligent monitoring system. The main parameters of the system by real-time monitoring of pr
4、essure regulating stations for key parts of the pressure , differential pressure , valve position and flow reflect the actual working condition of the natural gas regulator station in time for the friendly touch screen interface , and the role of real-time adjustments to the implementing agencies to
5、 ensure safe, stable and efficient operation of the gas supply system . Examining how to achieve a friendly man-machine interface design , and design of the main menu , the data show that the motion control, time setting and parameter setting interface . And the system can be two ways for the local
6、touch screen and remote network for real-time monitoring and reserved for the host computer with standard Modbus communications interfaces for remote network control and management . Key words: Touch screen; PLC; monitoring system; natural gas regulator; man-machine inter 基于触摸屏的天然气调压站智能监控系统设计 II 目目 录录 1 引言 1 1.1 课题背景以及意义 1 1.2 天然气调压站智能监控系统的国内外研究现状 1 2.2 天然气调压站智能监控系统的主要硬件组成部分 2 2.3 监控系统各个部件的连接设置 4 2.3.1 通信电缆的制作 . 4 2.3.2 电脑与触摸屏的连接 . 5 2.3.3 触摸屏与 PLC 连接 . 5 3 天然气调压站智能监控系统的
