ELCIS編碼器 ESM-635-635-20翊霈代理
發布日期(qi):2023-12-21
簡要描述:
編(bian)碼(ma)(ma)器(qi)(qi)(encoder)是(shi)將信(xin)號(如比(bi)特流)或數據(ju)編(bian)制(zhi)、轉(zhuan)(zhuan)換為(wei)可(ke)用以(yi)(yi)通(tong)訊、傳(chuan)輸和(he)(he)存儲之形式的(de)設(she)備。編(bian)碼(ma)(ma)器(qi)(qi)是(shi)把角(jiao)位移(yi)或直線位移(yi)轉(zhuan)(zhuan)換成(cheng)電信(xin)號的(de)一種(zhong)裝置。前者稱為(wei)碼(ma)(ma)盤,后(hou)者稱為(wei)碼(ma)(ma)尺(chi)。按照(zhao)讀出方式編(bian)碼(ma)(ma)器(qi)(qi)可(ke)以(yi)(yi)分為(wei)接觸式和(he)(he)非接觸式兩(liang)種(zhong);編(bian)碼(ma)(ma)器(qi)(qi)產(chan)生電信(xin)號后(hou)由數控(kong)制(zhi)置CNC、可(ke)編(bian)程邏輯控(kong)制(zhi)器(qi)(qi)PLC、控(kong)制(zhi)系(xi)(xi)統等來處理(li)。這些傳(chuan)感器(qi)(qi)主要應用在下列方面:機(ji)床、材料加工、電動機(ji)反(fan)饋(kui)系(xi)(xi)統以(yi)(yi)及測量和(he)(he)控(kong)制(zhi)設(she)備。在ELTRA編(bian)碼(ma)(ma)器(qi)(qi)中角(jiao)位移(yi)的(de)轉(zhuan)(zhuan)換采用了光電掃(sao)描原(yuan)理(li)。
計(ji)算(suan)機(ji)與計(ji)算(suan)機(ji)或(huo)計(ji)算(suan)機(ji)與終端之間(jian)(jian)的(de)(de)(de)(de)(de)(de)(de)數(shu)(shu)據(ju)傳送可(ke)以(yi)采(cai)用(yong)(yong)(yong)串(chuan)(chuan)行(xing)通(tong)(tong)(tong)(tong)(tong)訊(xun)(xun)(xun)和并行(xing)通(tong)(tong)(tong)(tong)(tong)訊(xun)(xun)(xun)二種(zhong)方(fang)式(shi)。由于(yu)(yu)串(chuan)(chuan)行(xing)通(tong)(tong)(tong)(tong)(tong)訊(xun)(xun)(xun)方(fang)式(shi)具(ju)(ju)有(you)使(shi)用(yong)(yong)(yong)線(xian)路少、成本低,特別是(shi)(shi)(shi)(shi)在(zai)遠程(cheng)傳輸時(shi),避免了多(duo)條線(xian)路特性的(de)(de)(de)(de)(de)(de)(de)不(bu)一(yi)(yi)致而被廣泛采(cai)用(yong)(yong)(yong)。 在(zai)串(chuan)(chuan)行(xing)通(tong)(tong)(tong)(tong)(tong)訊(xun)(xun)(xun)時(shi),要(yao)求通(tong)(tong)(tong)(tong)(tong)訊(xun)(xun)(xun)雙方(fang)都采(cai)用(yong)(yong)(yong)一(yi)(yi)個(ge)標(biao)(biao)準接(jie)(jie)(jie)(jie)口,使(shi)不(bu)同 的(de)(de)(de)(de)(de)(de)(de)設(she)備(bei)可(ke)以(yi)方(fang)便地連(lian)(lian)接(jie)(jie)(jie)(jie)起來進行(xing)通(tong)(tong)(tong)(tong)(tong)訊(xun)(xun)(xun)。 RS-232-C接(jie)(jie)(jie)(jie)口(又稱(cheng) EIA RS-232-C)是(shi)(shi)(shi)(shi)目(mu)前(qian)最常用(yong)(yong)(yong)的(de)(de)(de)(de)(de)(de)(de)一(yi)(yi)種(zhong)串(chuan)(chuan)行(xing)通(tong)(tong)(tong)(tong)(tong)訊(xun)(xun)(xun)接(jie)(jie)(jie)(jie)口。它是(shi)(shi)(shi)(shi)在(zai)1970年由美國電(dian)子(zi)工業協會(hui)(EIA)聯合貝爾系統、 調(diao)制解調(diao)器(qi)(qi)廠家(jia)及(ji)計(ji)算(suan)機(ji)終端生產廠家(jia)共同制定(ding)的(de)(de)(de)(de)(de)(de)(de)用(yong)(yong)(yong)于(yu)(yu)串(chuan)(chuan)行(xing)通(tong)(tong)(tong)(tong)(tong)訊(xun)(xun)(xun)的(de)(de)(de)(de)(de)(de)(de)標(biao)(biao) 準。它的(de)(de)(de)(de)(de)(de)(de)全名(ming)是(shi)(shi)(shi)(shi)“數(shu)(shu)據(ju)終端設(she)備(bei)(DTE)和數(shu)(shu)據(ju)通(tong)(tong)(tong)(tong)(tong)訊(xun)(xun)(xun)設(she)備(bei)(DCE)之間(jian)(jian) 串(chuan)(chuan)行(xing)二進制數(shu)(shu)據(ju)交換接(jie)(jie)(jie)(jie)口技術標(biao)(biao)準”該標(biao)(biao)準規定(ding)采(cai)用(yong)(yong)(yong)一(yi)(yi)個(ge)25個(ge)腳的(de)(de)(de)(de)(de)(de)(de) DB25連(lian)(lian)接(jie)(jie)(jie)(jie)器(qi)(qi),對連(lian)(lian)接(jie)(jie)(jie)(jie)器(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)每個(ge)引腳的(de)(de)(de)(de)(de)(de)(de)信(xin)號內容加以(yi)規定(ding),還(huan)對各種(zhong)信(xin) 號的(de)(de)(de)(de)(de)(de)(de)電(dian)平加以(yi)規定(ding)。以(yi)往,PC與智(zhi)能設(she)備(bei)通(tong)(tong)(tong)(tong)(tong)訊(xun)(xun)(xun)多(duo)借助(zhu)RS232、RS485、以(yi)太網(wang)等方(fang)式(shi),主(zhu)要(yao)取決于(yu)(yu)設(she)備(bei)的(de)(de)(de)(de)(de)(de)(de)接(jie)(jie)(jie)(jie)口規范。但(dan)RS232、RS485只能代表(biao)通(tong)(tong)(tong)(tong)(tong)訊(xun)(xun)(xun)的(de)(de)(de)(de)(de)(de)(de)物理介(jie)質(zhi)層(ceng)和鏈(lian)路層(ceng),如果要(yao)實現(xian)(xian)數(shu)(shu)據(ju)的(de)(de)(de)(de)(de)(de)(de)雙向訪(fang)問,就(jiu)必(bi)須自(zi)己編寫通(tong)(tong)(tong)(tong)(tong)訊(xun)(xun)(xun)應用(yong)(yong)(yong)程(cheng)序,但(dan)這(zhe)種(zhong)程(cheng)序多(duo)數(shu)(shu)都不(bu)能符合ISO/OSI的(de)(de)(de)(de)(de)(de)(de)規范,只能實現(xian)(xian)較單一(yi)(yi)的(de)(de)(de)(de)(de)(de)(de)功能,適用(yong)(yong)(yong)于(yu)(yu)單一(yi)(yi)設(she)備(bei)類型,程(cheng)序不(bu)具(ju)(ju)備(bei)通(tong)(tong)(tong)(tong)(tong)用(yong)(yong)(yong)性。在(zai)RS232或(huo)RS485設(she)備(bei)聯成的(de)(de)(de)(de)(de)(de)(de)設(she)備(bei)網(wang)中(zhong),如果設(she)備(bei)數(shu)(shu)量(liang)超過2臺(tai),就(jiu)必(bi)須使(shi)用(yong)(yong)(yong)RS485做通(tong)(tong)(tong)(tong)(tong)訊(xun)(xun)(xun)介(jie)質(zhi),RS485網(wang)的(de)(de)(de)(de)(de)(de)(de)設(she)備(bei)間(jian)(jian)要(yao)想互通(tong)(tong)(tong)(tong)(tong)信(xin)息只有(you)通(tong)(tong)(tong)(tong)(tong)過“主(zhu)(Master)”設(she)備(bei)中(zhong)轉才能實現(xian)(xian),這(zhe)個(ge)主(zhu)設(she)備(bei)通(tong)(tong)(tong)(tong)(tong)常是(shi)(shi)(shi)(shi)PC,而這(zhe)種(zhong)設(she)備(bei)網(wang)中(zhong)只允許(xu)存在(zai)一(yi)(yi)個(ge)主(zhu)設(she)備(bei),其余全部是(shi)(shi)(shi)(shi)從(cong)(Slave)設(she)備(bei)。而現(xian)(xian)場總(zong)(zong)線(xian)技術是(shi)(shi)(shi)(shi)以(yi)ISO/OSI模(mo)型為基礎的(de)(de)(de)(de)(de)(de)(de),具(ju)(ju)有(you)完整的(de)(de)(de)(de)(de)(de)(de)軟(ruan)件支持系統,能夠解決總(zong)(zong)線(xian)控制、沖突檢(jian)測、鏈(lian)路維護(hu)等問題.
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ELCIS編碼器 ESM-635-635-20翊霈代理
ELCIS編碼器 ESM-635-635-20翊霈代理