实 训 ( 习 ) 报 告课程名称:专 业 综 合 实 训专 业: 生产过程自动化 班 级: 学 号: 姓 名: 指导老师: 成 绩: 完成日期: 目 录1、PLC 简介.......................................................................................................61.1、可编程控制器的产生.................................................................................61.2、PLC 的进展................................................................................................81.3、PLC 的未来展望........................................................................................91.4、PLC 的特点................................................................................................91.5、PLC 的组成..............................................................................................101.5.1、中央处理单元(CPU).............................................................................111.5.2、存储器....................................................................................................111.5.3、输入/输出模块......................................................................................131.5.4、扩展模块................................................................................................141.5.5、编程器....................................................................................................141.5.6、电源........................................................................................................161.6、PLC 的工作原理......................................................................................161.6.1、扫描技术................................................................................................171.6.2、PLC 的 I/O 响应时间............................................................................181.7、梯形图程序设计.......................................................................................182、方案的论证..........................................................