装卸料小车多方式运行的PLC控制系统设计_自动化专业论文
发布时间：2015-01-21
来源：人大经济论坛
自动化专业论文范文
目 录
前言........................................................................1
1、系统方案设计..............................................................2
1 .1 卸料小车的控制任务与设计方案..............................................2
1.1.1 任务..................................................................2
1.1.2 方案设计................................................................2
1.1.3 方案论证................................................................3
2、系统设计..................................................................4
2.1 硬件设计.................................................................4
2.1.1 PLC的介绍..........................................................4
2.1.2 装卸料系统中PLC系统的其它设备............................................5
2.1.3 装卸料系统中的PLC选型...................................................5
2.1.4 PLC控制系统的设计基本原则..............................................6
2.1.5子程序的编写与调用及STEP7程序的使用.......................................6
2.1.6 装卸料小车控制系统的配置................................................7
2.1.7 模块功能的概述...........................................................8
2.1.8 PLC的外部接线图..........................................................9
2.2 软件设计..................................................................9
2.2.1 编程软件.................................................................9
2.2.2 构成和相关设置.........................................................10
2.2.3 I/O地址分配表........................................................10
2.2.4 源程序..............................................................11
3、系统调试................................................................18
结束语....................................................................22
致谢词....................................................................23
参考文献..................................................................24
摘要: 本文介绍了一种基于PPI通信协议的装卸料小车运行系统。可编程控制器PLC通过RS485接口，实现对小车的控制，有效地减少系统布线的复杂性，避免了现场的多种电磁干扰，提高了抗干扰能力，文章阐述了系统的组成和设计原理，并分析了PLC用于此类过程控制系统的优越性,并用可编程软件编写了运行程序。
关键词: 装卸料小车运行系统;PPI通信协议;可编程控制器（PLC）
Installs the Ex-dinning Car Multi-way Movement the PLC Control
Abstract: This article introduced one kind based on the USS communication protocol attire ex-dinning car movement system. Programmable controller PLC through the RS485 connection, realizes to the scene equipment control, reduces the system wiring effectively the complexity, has avoided the scene many kinds of electromagnetic interference, sharpened the ant jamming ability, the article elaborated the system composition and the principle of design, and analyzed PLC to use in this kind of process control system the superiority, and has compiled the operating procedure with the programmable software.
Key word: Installs the Ex-dinning car movement system; USS agreement; Programmable controller
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