停車場收費(fèi)系統(tǒng)
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摘要
隨著微電子技術(shù)和計(jì)算機(jī)技術(shù)的迅速發(fā)展，PLC（即可編程控制器）在工業(yè)控制領(lǐng)域內(nèi)得到十分廣泛地應(yīng)用。PLC是一種基于數(shù)字計(jì)算機(jī)技術(shù)、專為在工業(yè)環(huán)境下應(yīng)用而設(shè)計(jì)的電子控制裝置，它采用可編程序的內(nèi)存，用來存儲(chǔ)用戶指令，通過數(shù)字元或模擬的輸入/輸出，完成一系列邏輯、順序、定時(shí)、記數(shù)、運(yùn)算等確定的功能，來控制各種類型的機(jī)電一體化設(shè)備和生產(chǎn)過程。
本文以PLC上位機(jī)監(jiān)控系統(tǒng)研究方面的理論知識(shí)為基礎(chǔ)，在具體工程的背景下，提出了一套綜合、高效的設(shè)計(jì)、開發(fā)和管理PLC上位機(jī)監(jiān)控系統(tǒng)的方法，對現(xiàn)實(shí)具有一定的參考價(jià)值。
本設(shè)計(jì)主要進(jìn)行了上位機(jī)軟件、上位機(jī)與PLC互通、數(shù)據(jù)庫以及PLC的程序設(shè)計(jì)等設(shè)計(jì)。主要實(shí)現(xiàn)了對整個(gè)收費(fèi)系統(tǒng)的監(jiān)控、資料記錄、資料存儲(chǔ)以及收費(fèi)放行等功能。
關(guān)鍵詞: 可編程控制器 自動(dòng)控制 計(jì)算機(jī)技術(shù)


Abstract
Along with micro-electronics technique with technical and quick development in calculator, the PLC (namely programmable controller) gets in industry control realm very and broadly applied. The PLC is a kind of according to digital computer technique, just for under the industry environment applied but the electronics control of the design equips, it adopt the inside of the programmable preface saves, using to the saving customer instruction, pass the arithmetic figure an importation for or I/ O, complete a series of logic, sequence and settle, record the number and carries etc. that calculate the function make sure, controlling the machine electricity integral whole of every kind of type turn the equipments with the production line.
I proposed a systematic, efficient method developing, and managing PLC computer-monitoring systems, based for designing, on the theories for those systems......