基于PLC对天塔之光的设计

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1、--国家职业资格全省〔或市〕统一鉴定维修电工论文〔国家职业资格Ⅱ级〕论文题目：基于PLC对天塔之光的设计姓名：雪雪号：0..word.zl--号：01所在省市：省市所在单位：工贸技师学院目录摘要·····················································31.plc的概述··············································41.1plc的简介·············································41.2plc的特点················

2、·····························41.3plc的主要应用·········································41.4plc的分类·············································42控制系统的选择·········································5..word.zl--3元器件的选择···········································64天塔之光的PLC设计·························

3、············74.1控制要求··············································74.2I/O分配表············································74.3流程图··············································84.4梯形图················································94.5语句表···············································114.

4、6调试结果·············································13结论····················································13致····················································14参考文献················································14基于PLC对天塔之光的设计琪琪11技师机电摘要：..word.zl--本文介绍了利用三菱FX2N系列PLC对天塔之光的控制，阐述了控制方案

5、。实现天塔之光功能的方式有多种，可以采用早期的模拟电路、数字电路或数模混合电路。今年来随着科技的飞速开展，单片机、PLC的应用不断走向深入，同时带动传统的控制检测技术的不断更新。本文采用日本三菱公司生产的FX2N-64MR型PLC作为核心控制器进展天塔之光系统的设计。同时根据天塔之光的控制要求和特点，确定PLC的输入输出分配，并进展现场调试。关键词：PLC控制天塔之光..word.zl--1PLC的概述1.1PLC的简介PLC定义：可编程控制器是一种数字运算操作的电子系统，专为在工业环境下应用设计。它采用了可编程序的存储器，用来在其部存储和执行逻辑运算、顺序控制、定

6、时、计数和算术运算等操作命令，并通过数字式和模拟式的输入和输出，控制各种类型的机械或生产过程。可编程控制器及其有关外围设备，都按易于与工业系统联成一个整体、易于扩大其功能的原那么设汁。〞上世纪80年代至90年代中期，是PLC开展最快的时期，年增长率一直保持为30~40%。可编程序控制器是应用而最广、功能强大、使用方便的通用工业控制装置，自研制成功开场使用以来，它己经成为了当代工业自动化的三大支柱之一。1.2PLC的特点(1)编程简单，使用方便(2)控制灵活，程序可变，具有很好的柔(3)功能强，扩大方便，性能价格比高(4)控制系统设计及施工的工作量少，维修方便(5)可

7、靠性高，抗干扰能力强(6)体积小、重量轻、能耗低，是“机电一体化〞特有的产品。1.3PLC的主要应用1.开关量逻辑控制。这是PLC最根本的控制，可以取代传统的继电器控制系统。2.模拟量控制。除了开关量控制以外，PLC还可以接收、处理和控制连续变化的模拟量，如温度、压力、速度、电压、电流等。3。运动控制。PLC可以控制步进电动机和伺服电动机，从而控制机件的运动方向、速度和位置。..word.zl--4.多级控制。PLC可以实现与其他PLC，上位计算机、单片机互相交换信息，组成自动化控制网络。1.4PLC的分类1．按I/O点数容量分类可将PLC分为三大类。〔1〕小型