基于plc变电站综合自动化系统研究设计毕业论文.docVIP

摘要 PLC的变电站综合自动化系统进行研究。 本变电站综合自动化系统的概念，数据通信、可编程控制器和触摸屏相关知识基于PLC的变电站综合自动化系统设计并以断路器控制、中央信号系统为具体研究对象，PLC和计算机、触摸屏组成硬件系统，实现了PLC和触摸屏之间的通信，编写了PLC和触摸屏程序，实现了断路器控制和中央信号系统的基本功能。 关键词 变电站，综合自动化，可编程控制器，触摸屏 Abstract Integrated substation automation plays an important role in guaranteeing the power supply reliability and quality of electric energy, the security and stable operation of power systems. On the basis of the existing laboratory equipment, the design researches PLC-based integrated substation automation system. On the basis of studying the basic concepts of integrated substation automation system, the relevant knowledge of data communication, PLC and touchpanel, the initial hardware structure and software of integrated substation automation system based on SIMATIC S7-200 PLC is designed. And circuit breaker control, the central signal system for specific subjects, by SIMATIC S7-200 PLC and computer, touchpanel consisting hardware system, the communication between PLC and touchpanel is implemented, the procedures of PLC and Touchpanel are prepared, circuit breaker control and the central signal systems basic functions are implemented. Keywords substation, integrated automation, programmable controller, Touchpanel 目录 摘要……………………………………………………………………………………. I Abstract………………………………………………………………...……..…………I 1 绪论…………………………………………………………………………………...1 11 变电站实现综合自动化的目的和意义1 1.2 变电站综合自动化的发展过程和现状2 1.3 变电站综合自动化系统的内容、功能和特点3 1.4 本文的主要工作5 2 可编程控制器及SIMATIC S7-200 PLC…………………………………………….6 2.1 PLC的特点和主要功能……………………………………...………………….6 2.2 PLC的基本结构和工作原理……………………………………………………7 2.3 SIMATIC S7-200 PLC系统的基本组成及其工作模式………………………...9 2.4 PLC与计算机的通信和连接…………………………………………………...11 2.5 PLC应用系统的设计原则、内容与步骤……………………………………...13 2.6 本章小结……………………………………………………………………….14 3 触摸屏及其与计算机、PLC的通信和连接………………………………………..1 概述…………………………………………………………………………….2 PWS6600 C-S型触摸屏……………………………………………………...3 PWS6600 C-S型触摸屏的操作……………………………………………...4 PWS6600 C-S型触摸屏与计算机的通信和连接…………………………...5 PWS6600 C-S型触摸屏与PLC的通信和连接……………………………...6 本章小结………………………