常熟理工学院课程设计（说明书）目录第1章绪论······················································11.1可控编程的含义·························································11.2可控编程的发展·························································1第2章PLC的结构、工作原理及系统设计·····························32.1PLC的结构及工作原理···················································32.2PLC的编程语言·························································42.3PLC控制系统的构成、设计原则及步骤···················································52.4PLC的应用领域及特点·································································7第3章运料小车介绍······················································93.1运料小车介绍与控制要求································································101常熟理工学院课程设计（说明书）第4章运料小车控制系统的方案论·································114.1运料小车控制系统的控制内容与要求···················································114.2方案论证··················································································134.3PLC的选用·················································································144.4PLC外部接线图············································································154.5I/O分配····················································································154.6PLC状态流程··············································································154.7运料小车控制系统梯形图·······························································16第5章小车的性能分析及结构进························································185.1小车优缺点分析···········································································182常熟理工学院课程设计（说明书）5.2设计的改进及推广········································································18致谢····························································································19...
