1 / 20 题目：自动洗车机电气控制系统设计专业班级：姓名：学号：指导教师：目录评语：成绩：指导老师签名：日期：2 / 20 1 系统概述 ................................................................................................................... 31.1 应用背景及意义 ........................................................................................... 31.2 系统描述及设计要求 .................................................................................... 32 方案论证 ................................................................................................................... 43 硬件设计 ................................................................................................................... 63.1 系统原理方框图 ............................................................................................ 63.2 系统主电路原理图 ....................................................................................... 63.3 I/O 分配 .......................................................................................................... 73.4 PLC 选择 ........................................................................................................ 83.5 PLC 控制原理图 ............................................................................................ 93.6 PLC 控制接线图 .......................................................................................... 103.7 元器件选型 ................................................................................................. 124 软件设计 ................................................................................................................. 134.1 主流程图 ..................................................................................................... 134.2 梯形图 ......................................................................................................... 135 系统调试 ...............................................
