PLC课程设计__装配流水线控制.doc

We will continue to improve the companys internal control system, and steady improvement in ability to manage and control, optimize business processes, to ensure smooth processes, responsibilities in place; to further strengthen internal controls, play a control post independent oversight role of evaluation complying with third-party responsibility; to actively make use of internal audit tools detect potential management, streamline, standardize related transactions, strengthening operations in accordance with law. Deepening the information management to ensure full communication zero resistance. To constantly perfect ERP, and BFS+, and PI, and MIS, and SCM, information system based construction, full integration information system, achieved information resources shared; to expand Portal system application of breadth and depth, play information system on enterprise of Assistant role; to perfect daily run maintenance operation of records, promote problem reasons analysis and system handover; to strengthening BFS+, and ERP, and SCM, technology application of training, improve employees application information system of capacity and level. Humanistic care to ensure zero. To strengthening Humanities care, continues to foster company wind clear, and gas are, and heart Shun of culture atmosphere; strengthening love helped trapped, care difficult employees; carried out style activities, rich employees life; strengthening health and labour protection, organization career health medical, control career against; continues to implementation psychological warning prevention system, training employees health of character, and stable of mood and enterprising of attitude, created friendly fraternity of Humanities environment. To strengthen risk management, ensure that the business of zero risk. To strengthened business plans management, will business business plans cover to all level, ensure the business can control in control; to close concern financial, and coal electric linkage, and energy-saving scheduling, national policy trends, strengthening track, active should; to implementation State-owned assets method, further specification business financial management; to perfect risk tube control system, achieved risk recognition, and measure, and assessment, and report, and control feedback of closed ring management, improve risk prevention capacity. To further standardize trading, and strive to achieve according to law, standardize and fair. Innovation of performance management, to ensure that potential employees zero fly. To strengthen performance management, process control, enhance employee evaluation and levels of effective communication to improve performance management. To further quantify and refine employee standards . Work, full play party, and branch, and members in five type Enterprise construction in the of core role, and fighting fortress role and pioneer model role; to continues to strengthening four good leadership construction, full play levels cadres in enterprise development in the沈阳理工大学课程设计目 录1 概述12 硬件设计22.1 控制要求22.2 选择PLC的型号32.2.1 基本单元32.2.2 个人计算机（PC）或编程器42.3 输入输出接线表42.4 系统设计流程图43 软件设计63.1 设计梯形图63.2 设计语句表134 调试结果185 结束语196 参考文献201 概述在PLC问世之前，工业控制领域中是继电器控制占主导地位，继电器控制系统有着十分明显的缺点。体积大、功耗多、可靠性差、寿命短、运行速度慢、适应性差，尤其当生产工艺发生变化时，就鼻息重新设计、重新安装，造成时间和资金的严重浪费。为了改变这种现状，1969年美国数字设备公司（DEC）研制出了世界上第一台PLC。随着PLC的不断发展增加了网络通信功能，发展了各种智能模块，增加了外部诊断功能。使PLC成为了现在工业控制领域的三大支柱之一。本课题是用PLC控制装配流水线控制。用PLC控制装配流水线具有程序设计简单、易于操作和理解、能够实现多种功能等优点。此系统主要能够实现顺次启动和停止，完成工件移位以及功能紧急故障处理等功能。2 硬件设计2.1 控制要求： 图2-1功能说明：装配流水线控制传送系统，用异步电动机带动传送带，控制过程如下：启动时先按下SD按钮，起动整个传送系统，工件开始在传送带移位。停止时按下复位按钮，装配流水线停止工作，系统初始化重新开始运行。A，B，C三个灯模拟的是三个操作，D，E，F，G四组灯模拟的是传送带。传送带共有十六个工位，工件从1号位装入，分别在A（操作1）、B（操作2）、C（操作3）三个工位完成三种装配操作，经最后一个工位后送入仓库；D，E，F，G均是四个灯一组的模拟传送带，这些工位均用于传送工件。工件在传送带上开始传送，经过DEFG传送之后进行A操作，再经过DEFG传送之后进行B操作，再经过DEFG传送之后进行C操作，然后经过DEFG传送到仓库。按下启动按钮整个系统开始工作，按下复位按钮整个系统开始恢复到初始化状态，按下移位按钮系统开始传送工件经过ABC三个操作之后最后到达仓库。2.2 选择PLC型号PLC的选择主要应从PLC 的机型、容量、I/O模块、电源模块、特殊功能模块、通信联网能力等方面加以综合考虑。PLC机型选择的基本原则是在满足功能要求及保证可靠、维护方便的前提下,力争最佳的性能价格比。选择时应主要考虑到合理的结构型式,安装方式的选择,相应的功能要求,响应速度要求,系统可靠性的要求,机型尽量统一等因素。2.2.1 基本单元S7-200系列PLC中可提供4种不同的基本型号的8种CPU供选择使用，其输入输出点数的分配见下表：S7-200系列PLC中CPU22X的基本单元表2.1-1型 号输入点输出点可带扩展模块数S7-200CPU22164S7-200CPU222862个扩展模块 S7-200CPU2241410 7个扩展模块3 S7-200CPU22624167个扩展模块S7-200CPU226XM2416 7个扩展模块2.2.2 个人计算机（PC）或编程器个人计算机（PC）或编程器装上STEP7-Micro/WIN32编程软件后，机可供用户进行程序的编制、编辑、调试和监视等。要求个人计算机（PC）的配置：CPU80586或更高的处理器，16MB内存（最低要求为：CPU80486,8MB内存）；VGA显示器（分辨率1024*768像素）；硬盘空间至少50MB；Microsoft Windows所支持的鼠标。STEP7-Micro/WIN32编程软件是基于Windows的软件，它支持32位Windows95，Windows98和Windows NT4.0使用环境。它的基本功能是创建、编辑、调试用户程序、组态系统等。本实验采用S7200 CPU226的可编程控制器2.3 输入/输出接线列表 表2.3-1 面板启动复位移位ABCPLCI0.0I0.2I0.1Q0.0Q0.1Q0.2面板DEFGHPLCQ0.3Q0.4Q0.5Q0.6Q0.7其中I0.0 为系统启动按钮，I0.1为移位按钮，I0.2为复位按钮，Q0.1、Q0.2、Q0.3位ABC三个操作的输出，Q0.3、Q0.4、Q0.5、Q0.6为模拟传送带的输出，Q0.7位模拟的仓库输出。2.4 系统设计流程图PLC本身有多种程序设计语言，如梯形图语言、指令语句表语言、功能表语言等。其中梯形图语言沿袭传统的电气符号控制图，但简化了符号，编程容易且直观。根据设计要求具体流程图如下：程序启动按下开始按钮I0.0流水线开始工作传送带D指示灯Q0.3亮1秒之后传送带E指示灯Q0.4亮，Q0.3灭1秒之后传送带F指示灯Q0.5亮，Q0.4灭1秒之后传送带G指示灯Q0.6亮，Q0.5灭1秒之后传送带A指示灯Q0.0亮，Q0.6灭3秒之后传送带D指示灯Q0.3亮，Q0.0灭, 3秒之后传送带B指示灯Q0.1亮，Q0.0灭3秒之后传送带C指示灯Q0.2亮，Q0.0灭3秒后一轮完成，返回一开始的传送带指示灯Q0.1亮，Q0.7灭闭合移位开关，传送带有DEFG依次点亮按下复位按钮I0.1，系统复位再次按下启动按钮，程序再次启动 图2.4-13 软件设计3.1 设计梯形图 图3.1-1 梯形图3.2 设计语句表Network 1LD I0.0AN M0.1TON T37, +10Network 2 LD T37= M0.1Network 3 LD I0.1O M0.5= M10.0Network 4 LD M0.2= M10.6Network 5 LD M0.3= M12.4Network 6 LD M0.4= M13.2Network 7 LD M0.1SHRB M10.0, M10.1, +5SHRB M10.6, M10.7, +5SHRB M12.4, M12.5, +5SHRB M13.2, M13.3, +5Network 8 LD M10.5O M11.3O M13.1O M13.7EU= M1.0Network 9 LD M1.1AN T58O M10.0= M1.1TON T47, +50Network 10 LD M1.1AN T47O M1.2= M20.0Network 11 LD M20.4TON T48, +80AN T48= M1.2Network 12 LD M1.0SHRB M20.0, M20.1, +4Network 13 LD M20.1TON T39, +30Network 14 LD T39TON T40, +15AN T40= M0.2Network 15 LD M20.2TON T41, +30Network 16 LD T41TON T42, +15AN T42= M0.3Network 17 LD M20.3TON T43, +30Network 18 LD T43TON T44, +15AN T44= M0.4Network 19 LD M20.4TON T45, +30Network 20 LD T45TON T46, +15AN T46= M0.5Network 21 LD M10.1O M10.7O M12.5O M13.3= Q0.3Network 22 LD M10.2O M11.0O M12.6O M13.4= Q0.4Network 23 LD M10.3O M11.1O M12.7O M13.5= Q0.5Network 24 LD M10.4O M11.2O M13.0O M13.6= Q0.6Network 25 LD M20.1AN T39= Q0.0Network 26 LD M20.2AN T41= Q0.1Network 27 LD M20.3AN T43= Q0.2Network 28 LD M20.4AN T45= Q0.7Network 29 LD I0.2R M10.1, 1R M11.3, 1R M12.5, 1R M13.7, 1R M20.1, 1R M20.4, 1Network 30 LD I0.2TON T58, +14 调试结果 图4-1按下启动按钮，装配流水线模拟控制系统正常启动。按下复位按钮，装配流水线模拟控制系统恢复到初始化状态。按下移位按钮，工件开始在传送带上传动，经过DEFG之后到达A，进行操作1；经过DEFG之后到达B，进行操作2；经过DEFG之后到达C，进行操作3；经过DEFG之后到达H，进入仓库；完成一个工件的装配操作并且进入仓库。在接着DEFGADEFGBDEFGCDEFGH按此顺序循环操作！ 5 结束语PLC的诞生给工业控制卡领域带来了空前的发展。改变了空也控制领域继电器站住带地位的格局。推动了生产力的发展。为国民经济建设做出了巨大的贡献。随着PLC在工业控制领域的广泛推广，控制领域对PLC技术也提出了新的发展要求，进一步推动了PLC技术的发展。所以作为当代大学生，做为自动化专业的学生，熟悉的掌握PLC应用技术生存黎明的根本。通过本次亲身实践，我获益良多，不仅巩固了以前学习的知识，学到了很多在书本上所没有学到过的知识。而且通过这次课程设计使我懂得了理论与实际相结合是很重要的，只有理论知识是远远不够的，只有把所学的理论知识与实践相结合起来，从理论中得出结论，才能真正的学到知识，从而提高自己的实际动手能力和独立思考的能力。最后感谢老师的授课和教导！6 参考文献1 何衍庆等编著. 编程序控制器原理及应用技巧. 北京：化学工业出版社，20002 刘顺禧等编著. 电气控制技术. 北京：北京理工大学出版社，20003 陈金华等编著. 可编程控制器（PC）应用技术. 北京：电子工业出版社，19954 廖常初主编. PLC编程及应用. 北京：机械工业出版社，20025 陈在平，赵相宾主编. 可编程序控制器技术与应用设计. 北京：机械工业出版社，20026 吴中俊、黄永红. 可编程序控制器原理及应用. 北京：机械工业出版社， 2003门急诊医技楼外脚手架采用悬挑式单排脚手架，基础回填后改为落地式双排脚手架，脚手架搭设高度为23m。病房医技楼外脚手架采用悬挑双排脚手架，分四次悬挑of backbone backbone role; to full strengthening members youth work, full play youth employees in company development in the of force role; to improve independent Commission against corruption work level, strengthening on enterprise business key link of effectiveness monitored. , And maintain stability. To further strengthen publicity and education, improve the overall legal system. We must strengthen safety management, establish and improve the education, supervision, and evaluation as one of the traffic safety management mechanism. To conscientiously sum up the Olympic