150-F25NBRD 150-F25NBRD 150-F25NBRD 150-F25NBRD 150-F25NBRD 150-F25NBRD 150-F25NBRD 150-F25NBRD
數(shù)據(jù)緩沖：由于I/O設(shè)備的速率較低而CPU和內(nèi)存的速率卻很高，故在控制器中必須設(shè)置一緩沖器。在輸出時，用此緩沖器暫存由主機高速傳來的數(shù)據(jù)，然后才以I/O設(shè)備所具有的速率將緩沖器中的數(shù)據(jù)傳送給I/O設(shè)備；在輸入時，緩沖器則用于暫存從I/O設(shè)備送來的數(shù)據(jù)，待接收到一批數(shù)據(jù)后，再將緩沖器中的數(shù)據(jù)高速地傳送給主機。
差錯控制：設(shè)備控制器還兼管對由I/O設(shè)備傳送來的數(shù)據(jù)進行差錯檢測。若發(fā)現(xiàn)傳送中出現(xiàn)了錯誤，通常是將差錯檢測碼置位，并向 CPU報告，于是CPU將本次傳送來的數(shù)據(jù)作廢，并重新進行一次傳送。這樣便可保證數(shù)據(jù)輸入的正確性。
數(shù)據(jù)交換：這是指實現(xiàn)CPU與控制器之間、控制器與設(shè)備之間的數(shù)據(jù)交換。對于前者，是通過數(shù)據(jù)總線，由CPU并行地把數(shù)據(jù)寫入控制器，或從控制器中并行地讀出數(shù)據(jù)；對于后者，是設(shè)備將數(shù)據(jù)輸入到控制器，或從控制器傳送給設(shè)備。為此，在控制器中須設(shè)置數(shù)據(jù)寄存器。
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宇創(chuàng)自動化，打破低價只為長期合作，沒有宇創(chuàng)給不了的價格。
宇創(chuàng)自動化，貨期質(zhì)量我們給您承諾，全新原裝盡在宇創(chuàng)自動化。
宇創(chuàng)自動化，優(yōu)質(zhì)售后航拓為您負責，質(zhì)量保證請您認準宇創(chuàng)自動化。
宇創(chuàng)自動化，海量現(xiàn)貨就找福建宇創(chuàng)，福建宇創(chuàng)只因有你。
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公司名稱：福建宇創(chuàng)自動化設(shè)備有限公司
Fujian Yu Chong automation equipment Co., Ltd.
公司簡稱：福建宇創(chuàng)
公司地址：廈門市海滄區(qū)滄湖東一里508號奧斯卡4號樓502室
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以下是我們公司的優(yōu)勢品牌，僅供參考，還有其他品牌沒一一列出，只要您有需要查找的
都可以發(fā)給我，這邊會第一時間回復您。
【美國，英維思 Invensys FOXBORO I\A系統(tǒng), Triconex ESD系統(tǒng)】
【美國AB ..1756系列,1785系列,1746系列,1747系列,1771系列】
【瑞士ABB.. 機器人 DSQC系列,ABB Advant OCS,ABB Procontic PLC CPU】
【法國施耐德140莫迪康昆騰系列處理器,內(nèi)存卡,電源模塊等?！?br />
【德國西門子Siemens MOORE,S5,S7,6DD等】
【美國通用電氣GE..IC693/IC697系列】
【美國Westinghouse（西屋）：OVATION系統(tǒng)、WDPF系統(tǒng)、WEStation系統(tǒng)備件】
【德國Bosch Rexroth（博世力士樂）：Indramat，I/O模塊,PLC控制器,驅(qū)動模
塊等?！?br />
【美國Motorola（摩托羅拉）：MVME 162、MVME 167、MVME1772、MVME177等系列】
15天無條件退換，質(zhì)保一年
原裝新品，庫存現(xiàn)貨
折扣優(yōu)惠，低價回饋
24小時熱線：0592-7792226 大量現(xiàn)貨，價格合理，當天打款，當天順豐，即日到貨。
1、華東地區(qū)（包括山東、江蘇、安徽、浙江、福建、上海）；
2、華南地區(qū)（包括廣東、廣西壯族自治區(qū)、海南）；
3、華中地區(qū)（包括湖北、湖南、河南、江西）；
4、華北地區(qū)（包括北京直轄市、天津直轄市、河北、山西、內(nèi)蒙古自治區(qū)）；
5、西北地區(qū)（包括寧夏回族自治區(qū)、新疆維吾爾族自治區(qū)、青海、陜西、甘肅）；
6、西南地區(qū)（包括四川、云南、貴州、西藏自治區(qū)、重慶直轄市）；
7、東北地區(qū)（包括遼寧、吉林、黑龍江）；
8、臺港澳地區(qū)（包括臺灣、香港、澳門）。
公司聯(lián)絡(luò)人：徐工(銷售工程師)
Tel：0592-7796662
Fax：0592-6535181
Phone：18050109369
商務QQ：3250341298
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福建宇創(chuàng)自動化設(shè)備有限公司 經(jīng)銷批發(fā)的AB、Scheneider、Siemens、FANUC，F(xiàn)OXBORO，安川，GE，艾默生、無暢銷消費者市場，在消費者當中享有較高的地位，公司與多家零售商和代理商建立了長期穩(wěn)定的合作關(guān)系。福建宇創(chuàng)自動化設(shè)備有限公司經(jīng)銷的AB、Scheneider、Siemens、FANUC，F(xiàn)OXBORO，安川，GE，艾默生、品種齊全、價格合理。福建宇創(chuàng)自動化設(shè)備有限公司實力雄厚，重信用、守合同、保證產(chǎn)品質(zhì)量，以多品種經(jīng)營特色和薄利多銷的原則，贏得了廣大客戶的信任。
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