ELCIS編碼器YM90A-20-824-BZ-B-CM翊霈代理
發(fa)布(bu)日期:2023-12-21
簡要描述:
增量(liang)(liang)式(shi)編(bian)(bian)碼(ma)器(qi)(qi)(qi)是將位(wei)(wei)移(yi)轉(zhuan)換(huan)成周期(qi)性的(de)(de)(de)(de)電(dian)(dian)(dian)信(xin)(xin)號,再把這個電(dian)(dian)(dian)信(xin)(xin)號轉(zhuan)變(bian)成計數(shu)(shu)脈(mo)沖,用脈(mo)沖的(de)(de)(de)(de)個數(shu)(shu)表示位(wei)(wei)移(yi)的(de)(de)(de)(de)大小。編(bian)(bian)碼(ma)器(qi)(qi)(qi)的(de)(de)(de)(de)每(mei)(mei)一個位(wei)(wei)置對(dui)應一個確定的(de)(de)(de)(de)數(shu)(shu)字碼(ma),因此它的(de)(de)(de)(de)示值(zhi)只與(yu)測(ce)量(liang)(liang)的(de)(de)(de)(de)起(qi)始和(he)終止(zhi)位(wei)(wei)置有關,而(er)(er)與(yu)測(ce)量(liang)(liang)的(de)(de)(de)(de)中(zhong)間過(guo)程無關。旋轉(zhuan)增量(liang)(liang)式(shi)編(bian)(bian)碼(ma)器(qi)(qi)(qi)以轉(zhuan)動時輸出脈(mo)沖,通過(guo)計數(shu)(shu)設備(bei)來知道(dao)其位(wei)(wei)置,當(dang)編(bian)(bian)碼(ma)器(qi)(qi)(qi)不動或停電(dian)(dian)(dian)時,依靠計數(shu)(shu)設備(bei)的(de)(de)(de)(de)內部記(ji)(ji)(ji)憶(yi)來記(ji)(ji)(ji)住位(wei)(wei)置。這樣,當(dang)停電(dian)(dian)(dian)后(hou),編(bian)(bian)碼(ma)器(qi)(qi)(qi)不能(neng)有任(ren)何的(de)(de)(de)(de)移(yi)動,當(dang)來電(dian)(dian)(dian)工作時,編(bian)(bian)碼(ma)器(qi)(qi)(qi)輸出脈(mo)沖過(guo)程中(zhong),也不能(neng)有干擾而(er)(er)丟失脈(mo)沖,不然,計數(shu)(shu)設備(bei)記(ji)(ji)(ji)憶(yi)的(de)(de)(de)(de)零(ling)點(dian)就(jiu)會偏(pian)移(yi),而(er)(er)且這種偏(pian)移(yi)的(de)(de)(de)(de)量(liang)(liang)是無從知道(dao)的(de)(de)(de)(de),只有錯誤(wu)的(de)(de)(de)(de)生產結(jie)果出現后(hou)才能(neng)知道(dao)。解(jie)決的(de)(de)(de)(de)方(fang)法是增加(jia)參(can)考點(dian),編(bian)(bian)碼(ma)器(qi)(qi)(qi)每(mei)(mei)經過(guo)參(can)考點(dian),將參(can)考位(wei)(wei)置修正進計數(shu)(shu)設備(bei)的(de)(de)(de)(de)記(ji)(ji)(ji)憶(yi)位(wei)(wei)置。在參(can)考點(dian)以前,是不能(neng)保證位(wei)(wei)置的(de)(de)(de)(de)準確性的(de)(de)(de)(de)。為(wei)此,在工控中(zhong)就(jiu)有每(mei)(mei)次(ci)操作先找參(can)考點(dian),開機找零(ling)等方(fang)法。
繼(ji)(ji)電(dian)(dian)器(qi)(英文(wen)名稱(cheng)(cheng)(cheng):relay)是一(yi)種(zhong)(zhong)(zhong)電(dian)(dian)控(kong)(kong)(kong)制器(qi)件,是當輸入量(liang)(激勵量(liang))的(de)(de)(de)(de)變化(hua)達到(dao)規(gui)定(ding)要求時(shi)(shi),在電(dian)(dian)氣輸出(chu)電(dian)(dian)路(lu)中(zhong)使被(bei)控(kong)(kong)(kong)量(liang)發生預定(ding)的(de)(de)(de)(de)階躍變化(hua)的(de)(de)(de)(de)一(yi)種(zhong)(zhong)(zhong)電(dian)(dian)器(qi)。它(ta)具有(you)控(kong)(kong)(kong)制系統(tong)(又(you)(you)稱(cheng)(cheng)(cheng)輸入回路(lu))和被(bei)控(kong)(kong)(kong)制系統(tong)(又(you)(you)稱(cheng)(cheng)(cheng)輸出(chu)回路(lu))之間的(de)(de)(de)(de)互動關(guan)系。通(tong)常應(ying)用于自(zi)動化(hua)的(de)(de)(de)(de)控(kong)(kong)(kong)制電(dian)(dian)路(lu)中(zhong),它(ta)實際上是用小(xiao)電(dian)(dian)流去控(kong)(kong)(kong)制大電(dian)(dian)流運作的(de)(de)(de)(de)一(yi)種(zhong)(zhong)(zhong)“自(zi)動開關(guan)”。故在電(dian)(dian)路(lu)中(zhong)起著自(zi)動調(diao)節(jie)、安全保護、轉換電(dian)(dian)路(lu)等作用。繼(ji)(ji)電(dian)(dian)器(qi)線(xian)圈(quan)在電(dian)(dian)路(lu)中(zhong)用一(yi)個(ge)(ge)長方(fang)(fang)框符(fu)號(hao)(hao)(hao)表(biao)(biao)示,如果繼(ji)(ji)電(dian)(dian)器(qi)有(you)兩個(ge)(ge)線(xian)圈(quan),就(jiu)畫(hua)(hua)兩個(ge)(ge)并列的(de)(de)(de)(de)長方(fang)(fang)框。同(tong)時(shi)(shi)在長方(fang)(fang)框內(nei)或(huo)長方(fang)(fang)框旁標上繼(ji)(ji)電(dian)(dian)器(qi)的(de)(de)(de)(de)文(wen)字(zi)符(fu)號(hao)(hao)(hao)“J”。繼(ji)(ji)電(dian)(dian)器(qi)的(de)(de)(de)(de)觸點(dian)有(you)兩種(zhong)(zhong)(zhong)表(biao)(biao)示方(fang)(fang)法(fa):一(yi)種(zhong)(zhong)(zhong)是把(ba)它(ta)們(men)直接畫(hua)(hua)在長方(fang)(fang)框一(yi)側,這種(zhong)(zhong)(zhong)表(biao)(biao)示法(fa)較為直觀。另一(yi)種(zhong)(zhong)(zhong)是按照電(dian)(dian)路(lu)連接的(de)(de)(de)(de)需要,把(ba)各(ge)(ge)個(ge)(ge)觸點(dian)分別(bie)畫(hua)(hua)到(dao)各(ge)(ge)自(zi)的(de)(de)(de)(de)控(kong)(kong)(kong)制電(dian)(dian)路(lu)中(zhong),通(tong)常在同(tong)一(yi)繼(ji)(ji)電(dian)(dian)器(qi)的(de)(de)(de)(de)觸點(dian)與線(xian)圈(quan)旁分別(bie)標注上相(xiang)同(tong)的(de)(de)(de)(de)文(wen)字(zi)符(fu)號(hao)(hao)(hao),并將觸點(dian)組編上號(hao)(hao)(hao)碼,以示區別(bie)。
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ELCIS編碼器YM90A-20-824-BZ-B-CM翊霈代理
ELCIS編碼器YM90A-20-824-BZ-B-CM翊霈代理