plc課程設(shè)計(jì)報(bào)告-自動(dòng)售貨機(jī)

1、1PLC 課程設(shè)計(jì)報(bào)告 課程設(shè)計(jì)報(bào)告題 目 自動(dòng)售貨機(jī) PLC 設(shè)計(jì)姓 名學(xué) 號(hào)班 級(jí) 自動(dòng)化 0802指導(dǎo)老師 指導(dǎo)老師日 期3摘 要本論文設(shè)計(jì)的是基于西門子 S7-300 系列 PLC 構(gòu)成的自動(dòng)售貨機(jī)監(jiān)控系統(tǒng)，并且加入了觸摸屏 E8000 的設(shè)計(jì)。本文闡述了自動(dòng)售貨機(jī)的來(lái)源與發(fā)展，以及它在國(guó)內(nèi)外發(fā)展的現(xiàn)狀，對(duì)自動(dòng)售貨機(jī)的方案進(jìn)行了論證，介紹了 PLC 的基本組成、特點(diǎn)以及工作原理，對(duì)基于西門子 S7-3

2、00 系列 PLC 構(gòu)成的自動(dòng)售貨機(jī)系統(tǒng)整體設(shè)計(jì)過程進(jìn)行較為細(xì)致的論述。文中詳盡地介紹了自動(dòng)售貨機(jī)的各硬件組成，并完成了 PLC 外部接線圖。在 PLC 梯形圖的編寫時(shí)，文中采用的是西門子 PLC 梯形圖專用編譯軟件 SMATIC 來(lái)進(jìn)行編寫。介紹了自動(dòng)售貨機(jī)的基本原理以及工作流程，然后以一次交易過程為例，把交易過程分為幾個(gè)程序塊，然后分別對(duì)程序塊進(jìn)行編程。具體說(shuō)明了可編程序控制器在自動(dòng)售貨機(jī)中的作用。PLC 控制的自動(dòng)售貨機(jī)提高了系統(tǒng)

3、的穩(wěn)定性，保證自動(dòng)售貨機(jī)能夠長(zhǎng)期穩(wěn)定運(yùn)行。關(guān)鍵詞：可編程控制器（PLC)；自動(dòng)售貨機(jī)；梯形圖；AbstractThis paper is based on the design of Siemens S7-300 PLC constitute the vending machine control system and the design of touching screen E8000 .This paper expounds so

4、urce of the vending machine, and its development at home and abroad, the scheme design of vending machines are discussed, introduces the basic composition, characteristics of PLC and working principle, based on Siemens S

5、7-300 PLC constitute the vending machine system, overall whole design process is discussed particularly.The paper introduced in detail the vending machine, various hardware and completed PLC external hookup. In the writi

6、ng of PLC ladder diagram, the Siemens PLC is special compiled software SMATIC ladder diagram to write. Introduces the basic principle of vending machines and work flow, and then to a transaction process, for example, the

7、 process is divided into several blocks, then respectively for program for programming block. Specify the programmable controller in vending machines. PLC control system, improve the vending machine, guarantee the stabil