【摘要】 北京市对外友好协会地下车库共22个存车位,分上下2层布置,控制系统采用Profibus-DP现场总线控制,实现了主站S7-300PLC与从站TP270触摸屏的信息传递,应用STEP7的S7GRAPH顺序控制图和LAD梯形图编程语言,由SIMATIC的可选软件包Protool开发TP270。更多还原

【Abstract】 Beijing Friendship Association has a two-story underground parking system with 22 parking spaces.The control system uses the Profibus-DP fieldbus to transform the information between S7-300 PLC from master computer and TP270 touch-screen from slave computer.And the TP270 is developed by means of S7 GRAPH sequential function chart from STEP7,LAD programming language and SIMATIC optional package Protool.更多还原