【正文】
.................................................................20 I/O分配表..................................................................................................................21 硬件接線圖................................................................................................................22 .....................................................................................................................23第5章 系統(tǒng)調(diào)試............................................................................................................................27 調(diào)試設(shè)備...........................................................................................................................27 調(diào)試步驟...........................................................................................................................27第6章 心得體會(致謝)............................................................................................................29參考文獻(xiàn).........................................................................................................................................30附表一: 梯形圖............................................................................................................................31附表二: 指令表............................................................................................................................35 摘 要在今天的工業(yè)生產(chǎn)中,可編程邏輯控制器(PLC)已經(jīng)成為實(shí)現(xiàn)工業(yè)自動(dòng)化的關(guān)鍵。本文簡要介紹了有關(guān)可編程邏輯控制器的一些基礎(chǔ)知識和簡單的應(yīng)用,而且還介紹了PLC的技術(shù)特點(diǎn),并重點(diǎn)在硬件、軟件和組態(tài)軟件方面進(jìn)行了介紹,對他們在工業(yè)自動(dòng)化中的典型應(yīng)用、最新的技術(shù)發(fā)展趨勢也做了介紹。自動(dòng)售貨機(jī)在中國有著廣闊的發(fā)展前景,文中介紹了自動(dòng)售貨機(jī)的發(fā)展歷史和現(xiàn)狀。在這次的畢業(yè)設(shè)計(jì)中,我查閱了大量的資料,以PLC原理為基礎(chǔ)設(shè)計(jì)了自動(dòng)售貨機(jī)系統(tǒng)。按照自動(dòng)售貨機(jī)的工作方式,把一次交易過程分為:運(yùn)行初期清零過程、投幣過程、價(jià)格比較過程、選擇商品過程、退幣過程。利用梯型圖編制各個(gè)過程的程序完成了設(shè)計(jì)的基本要求。 關(guān)鍵詞:自動(dòng)售貨機(jī);可編程邏輯控制器。 ABSTRACTIn today39。s industrial production, programmable logic controller (PLC) has bee the key to realize industrial automation. This paper briefly introduces the programmable logic controller some basic knowledge and simple application, but also introduces the technical characteristics of PLC, and mainly in hardware, software and configuration software are introduced, the typical application in industrial automation, the latest technology development trend is also introduced. Vending machine in China has a wide development prospect, this paper introduces the vending machine development history and current situation. In this graduation design, I refer to a large amount of material, with PLC principle for foundation design the vending machine system. According to the vending machine working way, a transaction process is divided into: early operation period reset process, coin process, price parison process, choose goods process, return money process. Use of ladder type planning each process procedures pleted the basic requirements of design.Keywords:Vending machine。Programmable logic controller.第1章 任務(wù)與要求本課題采用三菱PLCFX2N32MR對飲料飲料自動(dòng)售貨機(jī)控制系統(tǒng)進(jìn)行設(shè)計(jì),首先對飲料飲料自動(dòng)售貨機(jī)結(jié)構(gòu)進(jìn)行簡單介紹,然后根據(jù)系統(tǒng)的設(shè)計(jì)要求對飲料自動(dòng)售貨機(jī)控制系統(tǒng)、檢測系統(tǒng)進(jìn)行分析,給出飲料自動(dòng)售貨機(jī)控制系統(tǒng)的總體設(shè)計(jì)思路,并通過I/O列表、I/O接線圖、梯形圖、指令表等對其控制系統(tǒng)進(jìn)行了程序設(shè)計(jì),控制程序經(jīng)上機(jī)調(diào)試運(yùn)行,其結(jié)果基本符合要求。 設(shè)計(jì)內(nèi)容與要求1)簡單介紹飲料自動(dòng)售貨機(jī)結(jié)構(gòu);2)分析飲料自動(dòng)售貨機(jī)的控制系統(tǒng)、檢測系統(tǒng),確定其控制系統(tǒng)的總體設(shè)計(jì)思路;3)采用FX2N系列PLC作為飲料自動(dòng)售貨機(jī)控制PLC,正確選取PLC型號,設(shè)計(jì)出其控制程序。4)控制程序上機(jī)調(diào)試。5)所設(shè)計(jì)的飲料自動(dòng)售貨機(jī)控制程序,應(yīng)符合飲料自動(dòng)售貨機(jī)運(yùn)行規(guī)則。如飲料自動(dòng)售貨機(jī)收到識幣信號后,自動(dòng)進(jìn)行累計(jì)、外部金額顯示、顧客按鍵后自動(dòng)推出商品和發(fā)出退幣找零等信號的電控系統(tǒng)。6)設(shè)計(jì)說明書要有硬件原理連接圖,I/O分配圖,程序梯形圖、指令表及相應(yīng)的說明。要求文字流暢,圖形清晰,便于閱讀。有條件的設(shè)計(jì)方案要求在實(shí)驗(yàn)室驗(yàn)證其正確性。 FX2N32MR產(chǎn)品說明: FX系列PLC擁有無以匹及的速度,高級的功能邏輯選件以及定位控制等特點(diǎn); FX2N