目录
1 设计任务及背景 ...............................................................................................................3
1.1 务要求........................................................................................................................3
1.1 课题背景 ........................................................................................................................3
2 电机控制总体方案 ...........................................................................................................5
2.1 总体方案设计 ................................................................................................................5
2.2 原理图设计 ....................................................................................................................5
3 器件简介 ...........................................................................................................................6
3.1 PLC 概述 ..........................................................................................................................6
3.2 PLC 工作原理 ..................................................................................................................6
3.3 PLC 功能特点 ..................................................................................................................7
3.4 变频器的综合技术特性 ................................................................................................7
3.5 变频器安装 ....................................................................................................................8
3.6 主回路端子（220V 等级） ...........................................................................................9
3.7 标准接线图 ..................................................................................................................10
3.8 控制回路配置及配线 ..................................................................................................11
3.9 4.5 变频器参数设定 .....................................................................................................11
4 PLC 程序设计 ..................................................................................................................12
4.1 电机正反转设计： ......................................................................................................12
4.2 5.2 电机速度下达程序设计 .........................................................................................12
4.3 电机测速程序设计 ......................................................................................................13
4.4 D/A 电压模块设置 ........................................................................................................13
4.5 电压反馈补偿 ..............................................................................................................14
5 触摸屏设计 .....................................................................................................................14
5.1 初始界面 ......................................................................................................................14
5.2 主界面 ..........................................................................................................................15
5.3 PID 调节界面.................................................................................................................16
