【正文】 control circuit to the work of the process, the plc and of course I would like to confirm the order. It was introduced how to choose a PLC type, to really settle the I/O orders. Combining the operation characteristics of programmable controller, a reasonable optimization was made for the work flow of the system. On this basis, using structured programming method, the program flow charts of main program module and opening door subroutine module and closing door subroutine module were developed. The debugging of the control system was developed and the control system has been adopted. The practical application shows that the control system is good and reliable. Keywords: programmable logic controller(PLC)； S7200； automatic door； Control system 湖南工業(yè)大學?？飘厴I(yè)設計（論文） their owncdsvlpa,mxukgf.()ybTqCzjSAXIII 目 錄 摘 要 ..............................................................................................................................I ABSTRACT .................................................................................................................... II 前言 ................................................................................................................................. 1 第一章 緒論 ................................................................................................................... 2 研究背景與研究意義 .......................................................................................... 2 自動門的簡介 ..................................................................................................... 3 自動門的組成及分類 ........................................................................................... 4 自動門的組成 .......................................................................................... 4 自動門的分類 .......................................................................................... 4 本章小結 ............................................................................................................ 5 第二章 PLC 的介紹及選擇 ............................................................................................. 6 PLC的簡介 ......................................................................................................... 6 PLC的主要功能及特點 ....................................................................................... 7 PLC 的主要功能 ........................................................................................ 7 PLC 的特點 ............................................................................................... 7 PLC的組成與基本結構 ....................................................................................... 8 PLC 的硬件系統(tǒng) ........................................................................................ 8 PLC的工作原理 .................................................................................................. 8 本章小結 ............................................................................................................ 9 第三章 自動門的執(zhí)行機構的設計 ................................................................................. 10 穩(wěn)壓電源設計 ................................................................................................... 10 無刷直流電機的應用 ........................................................................................ 11 本章小結 .......................................................................................................... 13 第四章 自動門的硬件設計 ............................................................................................ 14 自動感應門的基本工作原理 .............................................................................. 14 限位開關 的工作原理 ........................................................................................ 15 光電開關的工作原理 ........................................................................................ 15 無刷直流電動機的工作原理 .............................................................................. 15 PLC的選擇 ....................................................................................................... 16 輸入輸出（ I/O）點數(shù)的估算 ................................................................... 16 存儲器容量的選擇 .................................................................................. 16 控制功能的選擇 ...................................................................................... 16 機型的選擇 ............................................................................................. 17 對 PLC響應時間的選擇 .......................................................................... 17 自動門的硬件部分 ............................................................................................ 18 驅(qū)動裝置選型 ......................................................................................... 19 感應器選型 ............................................................................................. 19 自動門系統(tǒng) I/O 地址的分配情況 .............................................................. 20 本章小結 .......................................................................................................... 21 第五章 自動門的軟件系統(tǒng) ............................................................................................ 22 控制系統(tǒng)流程設計 ............................................................................................ 22 their owncdsvlpa,mxukgf.()ybTqCzjSAXIV MCGS 組態(tài)控制設計 ........................................................................................ 23 自動門組態(tài)控制對象分析 :....................................................................... 23 自動門監(jiān)控系統(tǒng)初方案指定 .................................................................... 23 自動門組態(tài)控制實時數(shù)據(jù) ........................................................................ 24 PLC梯形圖的設計 ............................................................................................ 24 梯形圖編輯注意事項 ............................................................................... 24