計(jì)算機(jī)及網(wǎng)絡(luò)技術(shù)與控制系統(tǒng)的發(fā)展有著緊密的聯(lián)系。早在50年代中后期，計(jì)算機(jī)就已經(jīng)被應(yīng)用到控制系統(tǒng)中。60年代初，出現(xiàn)了由計(jì)算機(jī)完全替代模擬控制的控制系統(tǒng)，被稱為直接數(shù)字控制（DirectDigitalControl,DDC）。70年代中期，隨著微處理器的出現(xiàn)，計(jì)算機(jī)控制系統(tǒng)進(jìn)入一個(gè)新的快速發(fā)展的時(shí)期，1975年世界上套以微處理為基礎(chǔ)的分散式計(jì)算機(jī)控制系統(tǒng)問(wèn)世，它以多臺(tái)微處理器共同分散控制，并通過(guò)數(shù)據(jù)通信網(wǎng)絡(luò)實(shí)現(xiàn)集中管理，被稱為集散控制系統(tǒng)
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YASKAWA ELECTRIC CIMR-G5A4030 CIMRG5A4030
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