基于PLC的压砖机电气控制系统的设计论文编号:ZD477 论文字数:26099,页数:58,有开题报告,任务书,文献综述摘要:本文是基于PLC的压砖机的电气控制设计,主要包括概述、电气控制原理、硬、软件的设计和操作和故障说明。其中关键是电气原理、硬件的元件选型和软件的设计。本设计采用的是三菱公司的FX2N系列的可编程控制器,软件的编程方面采用步进指令和状态编程法,通过对PLC的编程实现对机器的运作控制本设计按任务要求设计了压砖机回原点、料车单步和全自动的工作方式。也涉及了工艺方面,包括控制面板的设计和PLC的外围接线。使面板控制PLC再对硬件进行控制,整个控制过程浑然一体。关键词: PLC 电气控制系统 压砖机 The Design of Electronic Control System of Punching Machine Based on PLCAbstract: The system is designed based on PLC, it mainly includes the summary originally﹑control the principle electrically﹑ the design of the hard software of the peration and trouble are Among them the key is an electric principle, the designs of the component selecting type and software of the It is the programmable controller of FX2N series of Mitsubishi Company that was originally designed and adopted, the programming respect of the software adopts and walks into the order and state programming law, pass the operation control of the machine of programming realization of PLC This design includes brick go back origin , skip form step and full-automatic working way according to task demand to design originally, involve crafts Design and peripheral wiring of PLC of control panel make panel control PLC control to the hardware and then, it is integral to control the course Keyword: PLC electric control system punching machine目 录摘 要…………………………………………………………………………………………ⅠAbstract ………………………………………………………………………………………Ⅱ第1章 概述 ……………………………………………………………………………1 1压砖机的现状与发展前景…………………………………………………………1 2主要构造和技术参数………………………………………………………………2 1压砖机的结构构造……………………………………………………………2 2主要技术参数…………………………………………………………………2 3主要控制内容………………………………………………………………………3 1主要控制内容…………………………………………………………………3 2液压控制系统…………………………………………………………………3 3电气控制系统…………………………………………………………………4 4PLC控制原理…………………………………………………………………5 4 设计要求和内容……………………………………………………………………6第2章 控制原理……………………………………………………………………………7 1电气控制原理………………………………………………………………………7 2各电机的运行………………………………………………………………………8 1主泵电机的运行………………………………………………………………8 2循环电机的运行………………………………………………………………9 3料箱布料电机的运行…………………………………………………………9第3章 硬件的设计…………………………………………………………………………10 1元件的选型………………………………………………………………………10 1电动机的选型………………………………………………………………10 2断路器的选型………………………………………………………………12 3电流、电压表的选型………………………………………………………14 4交流接触器的选型…………………………………………………………14 5熔断器的选型………………………………………………………………15 6中间继电器的选型…………………………………………………………17 7按钮的选型…………………………………………………………………18 8信号灯的选型………………………………………………………………19 9电流互感器的选型…………………………………………………………20 10电阻器的选型 ……………………………………………………………21 11可编程控制器的选型 ……………………………………………………22第4章 软件的设计………………………………………………………………………28 1压砖机的工作流程 ……………………………………………………………28 2软件的总体结构 ………………………………………………………………28 3各工作方式的子程序 …………………………………………………………29 1回原点工作方式…………………………………………………………29 2料车单步工作方式………………………………………………………32 3全自动工作方式…………………………………………………………33第5章 操作与故障说明及输入、输出保护………………………………………………41 1控制面板原理图 ………………………………………………………………41 2操作说明 ………………………………………………………………………41 3主要故障说明 …………………………………………………………………41 4PLC输入端保护 ………………………………………………………………42 5输出端保护和抗干扰分析 ……………………………………………………43第6章 工艺………………………………………………………………………………44 1工艺图 ………………………………………………………………………44 2控制说明 ………………………………………………………………………44结束语 ………………………………………………………………………………………45参考文献 ……………………………………………………………………………………46致谢 …………………………………………………………………………………………47附图一 ………………………………………………………………………………………48附图二 ………………………………………………………………………………………49附图三 ………………………………………………………………………………………51附图四 ………………………………………………………………………………………52以上回答来自: -7/htm