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河南职业技术学院毕业设计(论文) 题目 PLC 的锅炉温度控制系统系(分院) 电气工程系学生姓名孔永婷学号 11112036 专业名称电气自动化指导教师徐瑞丽 2013 年 11月8日目录摘要········································································ 1 课题背景······································································ 1 项目内容······································································ 2 第二章 PLC 和组态软件·········································· 3 可编程控制器基础·························································· 3 2. 可编程控制器的产生和应用··········································· 3 2. 可编程控制器的组成和工作原理····································· 3 可编程控制器的分类及特点··········································· 5 组态软件的基础····························································· 6 组态的定义································································ 6 组态王软件的特点和仿真的的基本方法···························· 6 第三章 PLC 控制系统的硬件设计······························ 7 PLC 控制系统设计的基本原则和步骤······························· 7 PLC 控制系统设计的基本原则········································ 7 PLC 控制系统设计的一般步骤········································ 7 PLC 程序设计的一般步骤·············································· 8 PLC 的选型和硬件配置················································· 9 PLC 型号的选择·························································· 9 S7-200CPU 的选择······················································· 9 EM235 模拟量输入/ 输出模块········································ 10 热电式传感器··························································· 10 可控硅加热装置简介·················································· 10 系统整体设计方案和电气连接图··································· 11 PLC 控制器的设计····················································· 11 控制系统数学模型的建立············································ 11 PID 控制及参数整定·················································· 12 第四章 PLC 控制系统的软件设计····························· 14 PLC 程序设计的方法·················································· 15 编程软件 STEP7--Micro/
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