摘 要
作为通用工业控制计算机，可编程控制器实现了工业控制领域接线逻辑到存储逻辑的飞跃，在世界工业控制中发挥着越来越重要的作用。本论文通过对饮料罐装生产流水线控制系统的组成的了解,利用PLC的功能和特点设计出了此系统.系统通过开关设定为自动操作模式，一旦启动，则传送带的驱动电机启动并一直保持到停止开关动作或罐装设备下的传感器检测到一个瓶子时停止；瓶子装满饮料后，传送带驱动电机自动启动，并保持到又检测到一个瓶子或停止开关动作，当瓶子定位在罐装设备下时，停顿1秒，罐装设备开始工作，罐装过程为5秒钟，罐装过程应有报警显示，5秒后停止不再显示报警；用两个传感器和若干个加法器检测并记录空瓶数和满瓶数。本课题主要用了PLC，传感器，继电器等。采用它的自动控制能力好的特点，这样可以在生产过程中无需有人控制。同时还介绍还介绍了PLC的组成，特点及发展趋势等。
关键词：饮料罐装 生产流水线 控制
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ABSTRACT
As a general industrial control computers, programmable controllers of the industrial control logic to the storage area of wiring the leap in logic, industrial control in the world is playing an increasingly important role. In this paper, canned drinks through the production line control system composed of understanding and use of the PLC functions and features designed to the subject. The main topic of the Mitsubishi PLC, sensors, relays, and so on. Its ability to control the use of good characteristics, this can in the production process without some control. The article has just begun on the PLC's knowledge, given the composition of the PLC, the characteristics and principles, and extended to in the application of the system. The article on the subject of system design has also made detailed, and also introduced the PLC programming and applications.
Key words：Canned drinks production lines control
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目 录
1、概述 ............................................................ 1 1.1 可编程控制器的基本组成 ......................................... 1 1.2 可编程控制器的主要特点 ........................................ 3 1.3 可编程控制器的发展趋势 ......................................... 5 1.4 可编程控制器的工作原理 ......................................... 6 2、PLC的编程及应用 ................................................ 8 2.1 PLC编程特点 .................................................. 8 2.2 PLC编程的基本规则 ............................................ 8 2.3 典型控制程序 .................................................. 9 3、顺序控制及状态转移图 ............................................ 9 3.1 顺序控制 ..................................................... 10 3.2 状态转移图的设计法 ........................................... 10 3.3 状态转移的实现 ............................................... 10 3.4 画状态转移图的一般步骤 ....................................... 10 4、饮料罐装生产流水线控制系统设计 ................................. 11 4.1 设计目的 ..................................................... 11
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饮料罐装生产流水线PLC控制系统设计
