饮料灌装生产流水线的PLC控制设计.docVIP

PAGE  饮料灌装生产流水线的PLC控制 摘要 文章探讨了如何利用日本三菱PLC FX2N 进行饮料灌装生产流水线的控制，重点分析了系统软硬件设计部分，并给出了系统硬件接线图、PLC 控制I/O口分配表以及整体程序流程图等，实现了饮料灌装的自动化，提高了生产效率，降低了劳动强度。 关键词:PLC 饮料灌装生产线流水线 系统硬件接线图 目 录 摘要··································································1 前言··································································2 一、PLC概况·························································3 1、PLC基本概念······················································3 2、PLC发展历史······················································3 3、PLC技术发展动向·················································3 二、系统概况·························································5 三、饮料灌装生产线流水线控制要求··································7 1、手动工作状态····················································7 2、自动工作状态····················································7 四、硬件设计························································8 1、PLC选型·························································8 2、I/O口分配·······················································9 3、外部接线图······················································10 4、相关寄存器说明·················································11 5、变频器参数······················································12 五、软件设计························································13 1、流程图··························································13 2、梯形图··························································14 3、调试过程························································17 结束语·······························································18 参考文献·····························································19 　 -  PAGE 18 - -  PAGE 1 - 前言 以往的饮料罐装生产线的电气设备控制系统是传统的继电器控制方式,在使用的过程中，生产工效低，人机对话靠指示灯+按钮+讯响器的工作方式，响应慢，故障率高，可靠性差，系统的工作状态、故障处理、设备监控与维护只能凭经验被动的去查找故障点。且在生产过程中容易产生二次污染，造成合格率低，生产成本增加。而自动化生产线在众多领域应用得非常广泛，其控制部分常常采用PLC 控制，它使自动化生产线运行更加平稳，定位更加准确，功能更加完善，操作更加方便。为适应发展，故提出下面的PLC控制技术改造现有生产线。本文介绍了日本三菱FX2N PLC 在自动化饮料罐装生产线控制系统中的应用，并从硬件和软件两方面进行了分析和研究。 PLC概况 1、PLC基本概念 可编程控制器(Programmable Controller)是计算机家族