基于西門子PLC控制的全自動洗衣機仿真設計

電氣自動化論文編號:ZD044         字數:7007,頁數:35 

目   錄

摘要  .....................................................................3
第一章  PLC控制系統設計  .....................................................4
1.1  PLC控制系統設計的基本原則  ..............................................4
1.2  PLC I/O模塊的選擇步驟與原則 .............................................5
第二章 全自動洗衣機PLC控制分析 ...............................................9
2.1  任務介紹.................................................................9
2.2  控制要求 ...............................................................10
2.3  設計功能順序圖..........................................................11
2.4  硬件接線圖 .............................................................12
2.5  I/O口及定時器/計數器說明................................................14
第三章 全自動洗衣機PLC控制程序...............................................16
3.1  梯形圖................................................................16
3.2  指令表................................................................21
第四章  仿真及操作說明  .....................................................24
第五章  心得體會.............................................................31
致謝 ........................................................................32
參考文獻   ..................................................................33
附錄:總接線圖................................................................34

摘  要
PLC可編程序控制器：PLC英文全稱Programmable Logic Controller ,中文全稱為可編程邏輯控制器，定義是:一種數字運算操作的電子系統，專為在工業環境應用而設計的。它采用一類可編程的存儲器，用于其內部存儲程序，執行邏輯運算,順序控制，定時，計數與算術操作等面向用戶的指令，并通過數字或模擬式輸入/輸出控制各種類型的機械或生產過程.
PLC是基于電子計算機，且適用于工業現場工作的電控制器。它源于繼電控制裝置，但它不像繼電裝置那樣，通過電路的物理過程實現控制，而主要靠運行存儲于PLC內存中的程序，進行入出信息變換實現控制。     入出信息變換、可靠物理實現，可以說是PLC實現控制的兩個基本要點。     入出信息變換靠運行存儲于PLC內存中的程序實現。PLC程序既有生產廠家的系統程序(不可更改)，又有用戶自行開發的應用（用戶）程序。系統程序提供運行平臺，同時，還為PLC程序可靠運行及信號與信息轉換進行必要的公共處理。用戶程序由用戶按控制要求設計。什么樣的控制要求，就應有什么樣的用戶程序。

Abstract
PLC programmable controller: PLC English full title Programmable Logic Controller, Chinese full title as the programmable logical controller, the definition is: One kind of digital operation operation's electronic system, for designs specially in the industry environment application. It uses a kind of programmable memory, uses in its internally stored program, the actuating logic operation, the sequential control, fixed time, counting and arithmetic operation and so on face user's instruction, and through digital either simulation type input/output control each type machinery or production process. PLC is based on the electronic accounting machine, and is suitable for the industry field work electric controller. It stems from following the electricity control device, but it does not look like following the electricity installs such, realizes the control through electric circuit's physical process, but mainly saves depending on the movement in the PLC memory the procedure, carries on into the information conversion to realize the control. Enters the information conversion, the reliable physics to realize, may say that is PLC realizes the control two essential points. Enters the information conversion to save depending on the movement in the PLC memory the procedure realizes. The PLC procedure both has the Manufacturer system program (not to be possible change), and has the application which the user develops voluntarily (user) the procedure. The system program provides the movement platform, simultaneously, but is also the PLC procedure reliability service and the signal and the information transformation carries on essential public processing. The user program according to controls the request design by the user. What control request, should have what user program.

Key words: programmable logic controller (PLC); industrial washing machine; Control