自動(dòng)售貨機(jī)plc設(shè)計(jì)(畢業(yè)設(shè)計(jì)).doc
自動(dòng)售貨機(jī)plc設(shè)計(jì)(畢業(yè)設(shè)計(jì)),自動(dòng)售貨機(jī)plc設(shè)計(jì)(畢業(yè)設(shè)計(jì))目錄摘 要i........................................................................41緒論.................................................................
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目錄
摘 要I........................................................................4
1緒論..................................................................5 1.1 自動(dòng)售貨機(jī)的理論背景與實(shí)際意義.............................................5
1.2自動(dòng)售貨機(jī)基本現(xiàn)狀........................................................5
1.3自動(dòng)售貨機(jī)的前景..........................................................5
2 自動(dòng)售貨機(jī)主控硬件選擇..............................................6
2.1 單片機(jī)控制...............................................................6
2.2 繼電器控制...............................................................6
2.3 PLC控制..................................................................6
2.4單片機(jī)、繼電器和單片機(jī)分析和比較..........................................6
3 自動(dòng)售貨機(jī)控制要求....................................................8
3.1工作狀態(tài)..................................................................8
3.2維護(hù)狀態(tài)..................................................................8
3.3系統(tǒng)工作流程圖............................................................8
4 PLC的I/O分配表........................................................10
5 PLC選型...................................................................10
5.1繼電器、晶體管選擇........................................................10
5.2 I/0點(diǎn)數(shù)..................................................................11
6 自動(dòng)售貨機(jī)設(shè)計(jì)樣式....................................................11
7 PLC外部接線圖..........................................................11
8 PLC程序設(shè)計(jì).............................................................12
8.1 GX Developer軟件........................................................12
8.2 程序編輯...............................................................14
8.3 程序調(diào)試和仿真.........................................................21
9 總結(jié)......................................................................21
10 致謝.....................................................................22
參考文獻(xiàn).....................................................................22
附錄..........................................................................23
摘 要
隨著社會(huì)的發(fā)展,各種自動(dòng)化設(shè)備普及到我們生活。在大街、小巷,自動(dòng)售貨機(jī)也變得隨處可見(jiàn)。自動(dòng)售貨機(jī)的控制單元主要有單片機(jī)、繼電器和PLC控制,在對(duì)比之下選用PLC控制。本論文選用三菱PLC的FX2n系列進(jìn)行控制,用GX Developer進(jìn)行編程,采用GX Simulator(是GX Developer的一個(gè)插件)仿真。
關(guān)鍵詞: 三菱FX2n PLC 梯形圖 繼電器 單片機(jī) GX Developer GX Simulator