型號(hào)產(chǎn)品:1756-m08se
++1904676482qq詢價(jià)
訂單18030132586報(bào)價(jià)
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1969年,美國數(shù)字設(shè)備公司(gec)首先研制成功第一臺(tái)可編程序控制器,并在通用汽車公司的自動(dòng)裝配線上試用成功,從而開創(chuàng)了工業(yè)控制的新局面。
接著,美國國modICon公司也開發(fā)出可編程序控制器084。
1971年,日本從美國引進(jìn)了這項(xiàng)新技術(shù),很快研制出了日本第一臺(tái)可編程序控制器dsc-8。1973年,西歐國家也研制出了他們的第一臺(tái)可編程序控制器。我國從1974年開始研制,1977年開始工業(yè)應(yīng)用。早期的可編程序控制器是為取代繼電器控制線路、存儲(chǔ)程序指令、完成順序控制而設(shè)計(jì)的。主要用于:1. 邏輯運(yùn)算 2. 計(jì)時(shí),計(jì)數(shù)等順序控制,均屬開關(guān)量控制。所以,通常稱為可編程序邏輯控制器(plc—programmable logic controller)。 進(jìn)入70年代,隨著微電子技術(shù)的發(fā)展,plc采用了通用微處理器,這種控制器就不再局限于當(dāng)初的邏輯運(yùn)算了,功能不斷增強(qiáng)。因此,實(shí)際上應(yīng)稱之為pc——可編程序控制器。
至80年代,隨大規(guī)模和超大規(guī)模集成電路等微電子技術(shù)的發(fā)展,以16位和32位微處理器構(gòu)成的微機(jī)化pc得到了驚人的發(fā)展。使pc在概念、設(shè)計(jì)、性能、價(jià)格以及應(yīng)用等方面都有了新的突破。不僅控制功能增強(qiáng),功耗和體積減小,成本下降,可靠性提高,編程和故障檢測更為靈活方便,而且隨著遠(yuǎn)程i/o和通信網(wǎng)絡(luò)、數(shù)據(jù)處理以及圖象顯示的發(fā)展,使pc向用于連續(xù)生產(chǎn)過程控制的方向發(fā)展,成為實(shí)現(xiàn)工業(yè)生產(chǎn)自動(dòng)化的一大支柱。
fanuc spindle orientation board, a20b-0008-0241 0207, used, warranty * *
mitsubishi cnc pc board, # bn624a808g53, mc724b, mc724-1, used, warranty
yaskawa CPU board, jancd-gsc02, de6428681, rev f, used, warranty
general electric 44b294156-003 sup3 circuit board, used, warranty
hitachi mod# macc-matic cnc vertical mill pc board, relay 68e3.140740, used
mitsubishi mazak t-1 cnc pc board, lx13 b, rev b, bn624a091a, used,warranty
bridgeport controls rck a026865 board, used, warranty
mitsubishi cnc board, # rf31c, bn624b909g51, revision a, used, warranty
shibaura vmc circuit board, # h064856, used , warranty
shibaura vmc circuit board, # h064857, used , warranty
shibaura vmc circuit board, # h064858
hurco dual axis board assy, # 415-0176 008h, used, warranty
allen bradley 8300 memory board, # 8000-MDbz, 90565403, warranty
hp hewlett packard 3 connector frontplate board, # 12156-60002, used, warranty
nachi / daihen pc board, um236a, off of nachi ax robot controller used, warranty
hitachi seiki pc board, opsw-mc6, 20-06-00-00, used, warranty
fanuc pc board a16b-0160-0651 / 05b, used, warranty
mitsubishi pc board mc724-1, bn624a808g54, mc724b-1, used, warranty
fanuc graph/puncher pcb board, # a16b-1200-0170, used, warranty
fidia m2 control board, fbx1, rev. 137, used, warranty
bosch drive board, type z15-1-240v, 035883-111, used, warranty
general electric 44a294526-g01 circuit board mcd1a, used, warranty
mazak / mitsubishi t32-6 controller pc board, mc323d, bn634a008g52, warranty
new allen bradley logic board modulator, # 1334-50387, revision p, sealed, nib
okuma opus 5000 rs board, e0241-653-101, used, warranty
gettys n350 dc servo drive unit, type# 11-1015-45, used, warranty
cmc randtronics servo board, # 540d15014 c, used, warranty
fanuc a16b-1210-0860 / 01a, scale interface board, used, warranty
hurco hard disk pcb circuit board 414-0243-001, rev b, off hurco bmc-30, used
mitsubishi dwc90sz wire edm machine pc board, by171e546g51, afhc-01-dwc, used
fanuc motherboard circuit board, a20b-0003-0744 / 13f, (2), used, warranty
ziatech floppy drive interface board, # zt-8950-2, revision a.4, used, warranty
yaskawa board, # jancd-gsr01, de6428680, revision a, used, warranty
hurco personality 3 pcb assy board, 415-0177-020, rev k, hurco bmc-30, used
okuma spindle pc board, e4809-747-005-c?, pps-60c * * used * * warranty * *
okuma spindle pc board, e4809-747-005-c?, pps-60c * * used * * warranty * * (2)
fanuc pcb daughter board, a20b-2902-0373 / 02a, used, warranty
yaskawa pc distribution board, hitachi hi-turn, in87001-hs, used. warranty
mitsubishi circuit board, fx715a, rev g, bn624a569g52, * * used * * warranty * *
mitsubishi circuit board, fx53b, bn624a652g52, used, warranty
mitsubishi fx715a rev e circuit board pcb bn624a569g52, used, warranty
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