
目录
一 系统背景描述及设计要求.........................................................................................3
1.1 系统背景描述 ......................................................................................................3
1。2 设计要求 ............................................................................................................4
二 方案论证.......................................................................................................................4
2。1 硬件结构 ............................................................................................................4
2.2 设计方案 ..............................................................................................................5
2.3 方案比较及方案具体确定...................................................................................6
三.车辆出去库管理的构成.............................................................................................6
3。1 车辆出去库管理系统的构想 ...........................................................................6
3。3 系统的主电路原理图........................................................................................8
3。3 显示电路...........................................................................................................8
3。4 I/O 口分配表..................................................................................................9
3.5 I/O 接线图........................................................................................................10
3。5 元器件的选型.................................................................................................10
四.软件设计...................................................................................................................11
4。1 主流程图.........................................................................................................11
4.2 梯形图...............................................................................................................13
五.系统调试...................................................................................................................14
设计心得...........................................................................................................................15
参考文献...........................................................................................................................16
附录一:元件清单...........................................................................................................17
附录二:主电路原理图.....................................................................................................18
附录三:PLC 控制原理图................................................................................................19
附录四:PLC 控制接线图..................................................................................................20