基于触摸屏的天然气调压站智能监控系统基于触摸屏的天然气调压站智能监控系统设计DesignofSmartMonitoringSystemBasedonTouchScreenforNaturalGasPressureRegulatingStation基于触摸屏的天然气调压站智能监控系统设计PAGEII基于触摸屏的天然气调压站智能监控系统设计[摘要]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]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DesignoftheMonitoringSystemBasedonNaturalGasRegulatorStationSmartTouchScreenAbstract：ThedesignisimplementedontheworkingprincipleofthenaturalgasregulatorstationanddevelopedbySiemensS7-200PLCchipandHitachitouchscreenintelligentmonitoringsystem.Themainparametersofthesystembyreal-timemonitoringofpressureregulatingstationsforkeypartsofthepressure,differentialpressure,valvepositionandflowreflecttheactualworkingconditionofthenaturalgasregulatorstationintimeforthefriendlytouchscreeninterface,andtheroleofreal-timeadjustmentstotheimplementingagenciestoensuresafe,stableandefficientoperationofthegassupplysystem.Examininghowtoachieveafriendlyman-machineinterfacedesign,anddesignofthemainmenu,thedatashowthatthemotioncontrol,timesettingandparametersettinginterface.Andthesystemcanbetwowaysforthelocaltouchscreenandremotenetworkforreal-timemonitoringandreservedforthehostcomputerwithstandardModbuscommunicationsinterfacesforremotenetworkcontrolandmanagement.Keywords:Touchscreen;PLC;monitoringsystem;naturalgasregulator;man-machineinter目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc324800336"1引言PAGEREF_Toc324800336\h1HYPERLINK\l"_Toc324800337"1.1课题背景以及意义PAGEREF_Toc324800337\h1HYPERLINK\l"_Toc324800338"1.2天然气调压站智能监控系统的国内外研究现状PAGEREF_Toc324800338\h1HYPERLINK\l"_Toc324800339"2.2天然气调压站智能监控系统的主要硬件组成部分PAGEREF_Toc324800339\h2HYPERLINK\l"_Toc324800340"2.3监控系统各个部件的连接设置PAGEREF_Toc324800340\h4HYPERLINK\l"_Toc324800341"2.3.1通信电缆的制作PAGEREF_Toc32480034