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《可编程控制器原理及应用》 实验指导书 杭州电子工业学院 自动化分院 2000年11月 前言 可编程控制器是采用微机技术的通用工业自动化装置，近几年来，在国内得到迅速推广普及。正改变着工厂自动控制的面貌，对传统的技术改造、发展新型工业具有重大的实际意义。 本实验指导书旨在帮助学生通过实验更好的掌握PLC的结构特点、工作原理和编程方法，从而为今后在工程上的应用打下坚实的基础。全书分为三个部分：第一部分是以三菱可编程序控制器配THPLC-A型教学实验设备为实验对象；第二部分是以三菱可编程控制器配SAC-PC教学实验设备为实验对象；第三部分则是实验参考。在实验前学生应根据选定的实验设备参考相应的指导书内容进行预习，实验过程中应严格按照实验要求操作，注意安全，实验后书写实验报告。 目 录 第一部分 三菱可编程序控制器配THPLC-A型教学实验设备 实验一 可编程控制器的基本指令编程练习········································3 实验二 装配流水线控制的模拟····························································6 实验三 三相异步电动机的星/三角形换接启动控制···························8 实验四 LED数码显示控制···································································10 实验五 五相步进电动机控制的模拟···················································12 实验六 十字路口交通灯控制的模拟···················································14 实验七 液体混合装置控制的模拟·······················································16 实验八 电梯控制系统的模拟·······························································18 实验九 机械手动作的模拟····································································21 实验十 四节传送带控制的模拟····························································23 实验十一 二台PLC的通讯 ····································································25 实验十二 多台PLC的通讯 ····································································28 第二部分 三菱可编程控制器配SAC-PC教学实验设备 实验一 可编程控制器的基本指令编程练习··········································29 实验二 十字路口交通信号灯控制实验 ··················································33 实验三 混料罐控制实验 ··········································································35 实验四 传输线控制实验 ··········································································37 实验五 小车自动选向、定位控制实验 ··················································39 实验六 电梯控制实验 ············································································41 实验七 刀具库管理控制实验 ··································································43 第三部分 附录 一、实验仪器和设备介绍 二、实验参考 1、基本顺控指令表 2、步进梯形指令 3、功能指令表 4、