【正文】 ............................... 7 4 系統(tǒng)的硬件電路實現(xiàn) .......................................................................................................... 9 系統(tǒng)硬件結構框圖 ....................................................................................................... 9 主電路的設計 ............................................................................................................... 9 控制電路的設計 ......................................................................................................... 10 操作面板的設計 ......................................................................................................... 10 5 系統(tǒng)程序的設計 ................................................................................................................ 12 控制要求和控制過程分析 ......................................................................................... 12 I/O 端口分配 ................................................................................................................ 12 梯形圖 ......................................................................................................................... 14 初始化程序 .......................................................................................................... 14 裝箱選擇程序 ...................................................................................................... 14 流水線主控程序 .................................................................................................. 15 閃爍報警程序 ...................................................................................................... 17 記數(shù)程序 .............................................................................................................. 17 數(shù)據(jù)傳送程序 ...................................................................................................... 18 目 錄 V 6 程序調(diào)試 ............................................................................................................................ 20 裝箱選擇程序的仿真 ................................................................................................. 20 主控制程序的仿真 ..................................................................................................... 20 閃爍報警程序的仿真 ................................................................................................. 23 記數(shù)程序的仿真 ......................................................................................................... 23 7 結論與展望 ........................................................................................................................ 24 致 謝 .................................................................................................................................... 25 參考文獻 ................................................................................................................................ 26 附 錄 .................................................................................................................................... 27 即可）： Equation Chapter 1 Section 1 1 1 緒論 課題研究背景 我國的飲料灌裝自動化相對于西方發(fā)達國家來講還有很大的差距。 (3) the system can achieve manually reset. The system mainly uses the Mitsubishi PLC, sensors, relays, switches and so on and uses the good automatic control performance of PLC to achieve the no control of beverage filling production line . KEY WORDS: PLC。 software design includes the design and debugging of program. The system can achieve the following functions: (1) The bottles can be transported and filled and the filling volume can be set according to the size of bottles。該系統(tǒng)主要運用了三菱 PLC、傳感器、繼電器、行程開關等器件，利用 PLC 良好的自動控制性能，實現(xiàn)飲料罐裝生產(chǎn)過程的無人控制 。其中硬件設計包括三菱 FX1N40MR PLC 外部電路的設計與安裝；軟件部分包括程序的設計與調(diào)試。摘 要 I 畢 業(yè) 論 文