【正文】 基于 PLC 的加工中心控制系統(tǒng)的設(shè)計(jì)與應(yīng)用摘要可編程控制器有于其在工業(yè)控制方面的應(yīng)用意義日趨明顯，并在發(fā)電、化工、電子等行業(yè)工藝設(shè)備的電氣控制方面得到了廣泛的應(yīng)用。它具有功能強(qiáng)大、使用可靠、維修簡單等許多優(yōu)點(diǎn)，并且在很多地方已逐步取代了繼電器電路的邏輯控制。而本文討論的是 PLC 在實(shí)際工業(yè)控制系統(tǒng)的應(yīng)用。江南重工有限公司由于產(chǎn)業(yè)結(jié)構(gòu)的變化和業(yè)務(wù)的發(fā)展，決定在原有的機(jī)械制造分廠的基礎(chǔ)上成立一個(gè)軸系加工中心。由于整個(gè)軸系加工中心正在逐步建設(shè)和改善的過程中，許多設(shè)計(jì)還未付諸實(shí)施。本文僅通過某臺(tái)設(shè)備電氣控制系統(tǒng)的具體改造來作為重點(diǎn)展開敘述。對(duì)于整個(gè)中心的網(wǎng)絡(luò)通信和網(wǎng)絡(luò)化管理本文將在第四、第五章作初步的敘述和探討。關(guān)鍵詞：可編程控制器，A1SJ71E71，多線程，Socket 套接字THE DESIGN AND IMPLEMENTATION OF PROCESS THE CENTER OF JIANGNAN’S CONTROL THE SYSTEMSAbstractApplied meaning that programmable controller have in its control the aspect in the industry gradually obvious, bine at generate electricity, chemical engineering, electronics etc. profession craft the equipments39。s electricity control the aspect got the extensive have the function strong and big, the usage is dependable, maintain the many advantage of simple etc., and already and gradually replaced after the logic control of the electric appliances electric circuit in a lot of places.But what the text discuss is a PLC in the actual industry to control the system39。s work limited pany of JiangNan is because of the industrial structure that variety that development, decision establish a stalk to process the center is on originally possessed of the foundation that the machine manufacturing the cent the factory with the whole stalk process the center is at gradually developments with in the ameliorative process, the many design still did not put into text only passes the some set equipments the electricity control the systems of in a specific way reform to be used as the point to launch the work correspondence of whole center manages with the work this text will make the first step39。s description in the fourth, chapter 5 with study.Key word:Programmable controller, A1SJ71E71, the multiline order , Socket word目錄摘要.................................................................................................................................................................................1ABSTRACT.........................................................................................................................................................................2第一章：緒論.................................................................................................................................................................5：PLC 技術(shù)基本原理 ...........................................................................................................................................5 的體系結(jié)構(gòu) .........................................................................................................................................5 的工作原理 .........................................................................................................................................7：江南重工軸系加工現(xiàn)場(chǎng)控制系統(tǒng)的設(shè)計(jì)概述 ..............................................................................................8：本文內(nèi)容簡介 ..................................................................................................................................................8第二章：A 系列 PLC 的特點(diǎn)及其通信..........................................................................................................................9：A 系列 PLC ........................................................................................................................................................9 A 系列 PLC 的主要特點(diǎn) .............................................................................................................................9 的編程語言和指令 .............................................................................................................................9：PLC 的 MELSECNET 網(wǎng)絡(luò)通信 .........................................................................................................................11. MELSECNET 網(wǎng)絡(luò)框架 .............................................................................................................................11. MELSECNET 網(wǎng)絡(luò)的通信軟設(shè)備 .............................................................................................................12. MELSECNET 網(wǎng)絡(luò)的的分類 .....................................................................................................................12：PLC 的以太網(wǎng)通信 .........................................................................................................................................12 ..................................................................................................................................................12 .A1SJ71E71 的三種數(shù)據(jù)通信方式 .........................................................................................................13 的 I/O 信號(hào)和緩存 ...............................................................................................................13 的通信協(xié)議 ...........................................................................................................................14第三章：加工現(xiàn)場(chǎng)控制系統(tǒng)的 PLC 程序設(shè)計(jì)...........................................................................................................15：設(shè)備控制系統(tǒng)的概述和設(shè)計(jì)要求 ................................................................................................................15. 落地式銑鏜床電氣系統(tǒng)設(shè)計(jì)的工藝要求 ............................................................................................15 ......................................................................................................................................15 ..................................................................................................................................15：PLC 控制模塊設(shè)計(jì) .........................................................................................................................................16 .程序報(bào)警模塊 ........................................................................................................................................16 .....................................................................................