ELCIS編碼器YM90A-20-824-BZ-B-CM翊霈代理
發布(bu)日期:2023-12-21
簡要描述:
增(zeng)量式編(bian)碼(ma)(ma)(ma)器(qi)是(shi)將(jiang)位(wei)(wei)移(yi)轉(zhuan)(zhuan)換成(cheng)周(zhou)期性的(de)(de)電(dian)(dian)信(xin)號,再把這(zhe)個(ge)電(dian)(dian)信(xin)號轉(zhuan)(zhuan)變成(cheng)計(ji)數(shu)(shu)(shu)脈(mo)沖(chong),用脈(mo)沖(chong)的(de)(de)個(ge)數(shu)(shu)(shu)表示位(wei)(wei)移(yi)的(de)(de)大(da)小。編(bian)碼(ma)(ma)(ma)器(qi)的(de)(de)每(mei)一個(ge)位(wei)(wei)置(zhi)(zhi)對應(ying)一個(ge)確定的(de)(de)數(shu)(shu)(shu)字碼(ma)(ma)(ma),因(yin)此(ci)它的(de)(de)示值(zhi)只與測量的(de)(de)起始和終止位(wei)(wei)置(zhi)(zhi)有關,而(er)與測量的(de)(de)中(zhong)間(jian)過(guo)(guo)(guo)程無關。旋轉(zhuan)(zhuan)增(zeng)量式編(bian)碼(ma)(ma)(ma)器(qi)以轉(zhuan)(zhuan)動時輸出脈(mo)沖(chong),通過(guo)(guo)(guo)計(ji)數(shu)(shu)(shu)設備來(lai)(lai)知道(dao)(dao)其位(wei)(wei)置(zhi)(zhi),當編(bian)碼(ma)(ma)(ma)器(qi)不動或停電(dian)(dian)時,依(yi)靠計(ji)數(shu)(shu)(shu)設備的(de)(de)內部記(ji)憶來(lai)(lai)記(ji)住位(wei)(wei)置(zhi)(zhi)。這(zhe)樣,當停電(dian)(dian)后,編(bian)碼(ma)(ma)(ma)器(qi)不能(neng)有任何的(de)(de)移(yi)動,當來(lai)(lai)電(dian)(dian)工作時,編(bian)碼(ma)(ma)(ma)器(qi)輸出脈(mo)沖(chong)過(guo)(guo)(guo)程中(zhong),也(ye)不能(neng)有干(gan)擾(rao)而(er)丟(diu)失脈(mo)沖(chong),不然,計(ji)數(shu)(shu)(shu)設備記(ji)憶的(de)(de)零點(dian)就會偏(pian)移(yi),而(er)且這(zhe)種(zhong)偏(pian)移(yi)的(de)(de)量是(shi)無從知道(dao)(dao)的(de)(de),只有錯誤的(de)(de)生產結(jie)果出現(xian)后才(cai)能(neng)知道(dao)(dao)。解決的(de)(de)方(fang)法是(shi)增(zeng)加參(can)考點(dian),編(bian)碼(ma)(ma)(ma)器(qi)每(mei)經過(guo)(guo)(guo)參(can)考點(dian),將(jiang)參(can)考位(wei)(wei)置(zhi)(zhi)修正進(jin)計(ji)數(shu)(shu)(shu)設備的(de)(de)記(ji)憶位(wei)(wei)置(zhi)(zhi)。在參(can)考點(dian)以前,是(shi)不能(neng)保證位(wei)(wei)置(zhi)(zhi)的(de)(de)準(zhun)確性的(de)(de)。為此(ci),在工控中(zhong)就有每(mei)次(ci)操作先找參(can)考點(dian),開機找零等方(fang)法。
繼(ji)(ji)電(dian)(dian)(dian)器(qi)(英(ying)文名稱(cheng):relay)是一種(zhong)(zhong)(zhong)電(dian)(dian)(dian)控(kong)(kong)制(zhi)(zhi)(zhi)器(qi)件,是當輸(shu)入量(liang)(激勵(li)量(liang))的(de)(de)(de)(de)(de)(de)(de)變(bian)化達到規定要求時,在(zai)(zai)電(dian)(dian)(dian)氣輸(shu)出(chu)電(dian)(dian)(dian)路(lu)(lu)(lu)(lu)中(zhong)(zhong)使(shi)被控(kong)(kong)量(liang)發生預定的(de)(de)(de)(de)(de)(de)(de)階躍變(bian)化的(de)(de)(de)(de)(de)(de)(de)一種(zhong)(zhong)(zhong)電(dian)(dian)(dian)器(qi)。它具有控(kong)(kong)制(zhi)(zhi)(zhi)系統(又(you)稱(cheng)輸(shu)入回路(lu)(lu)(lu)(lu))和被控(kong)(kong)制(zhi)(zhi)(zhi)系統(又(you)稱(cheng)輸(shu)出(chu)回路(lu)(lu)(lu)(lu))之間的(de)(de)(de)(de)(de)(de)(de)互動關(guan)系。通(tong)常應用于自動化的(de)(de)(de)(de)(de)(de)(de)控(kong)(kong)制(zhi)(zhi)(zhi)電(dian)(dian)(dian)路(lu)(lu)(lu)(lu)中(zhong)(zhong),它實際(ji)上是用小電(dian)(dian)(dian)流去(qu)控(kong)(kong)制(zhi)(zhi)(zhi)大(da)電(dian)(dian)(dian)流運作的(de)(de)(de)(de)(de)(de)(de)一種(zhong)(zhong)(zhong)“自動開關(guan)”。故在(zai)(zai)電(dian)(dian)(dian)路(lu)(lu)(lu)(lu)中(zhong)(zhong)起著自動調節(jie)、安(an)全保(bao)護、轉(zhuan)換電(dian)(dian)(dian)路(lu)(lu)(lu)(lu)等作用。繼(ji)(ji)電(dian)(dian)(dian)器(qi)線圈在(zai)(zai)電(dian)(dian)(dian)路(lu)(lu)(lu)(lu)中(zhong)(zhong)用一個(ge)(ge)長(chang)方(fang)框符號(hao)表示,如(ru)果繼(ji)(ji)電(dian)(dian)(dian)器(qi)有兩(liang)個(ge)(ge)線圈,就畫兩(liang)個(ge)(ge)并(bing)列的(de)(de)(de)(de)(de)(de)(de)長(chang)方(fang)框。同時在(zai)(zai)長(chang)方(fang)框內或長(chang)方(fang)框旁標(biao)上繼(ji)(ji)電(dian)(dian)(dian)器(qi)的(de)(de)(de)(de)(de)(de)(de)文字符號(hao)“J”。繼(ji)(ji)電(dian)(dian)(dian)器(qi)的(de)(de)(de)(de)(de)(de)(de)觸(chu)點(dian)有兩(liang)種(zhong)(zhong)(zhong)表示方(fang)法:一種(zhong)(zhong)(zhong)是把(ba)(ba)它們直(zhi)接畫在(zai)(zai)長(chang)方(fang)框一側(ce),這(zhe)種(zhong)(zhong)(zhong)表示法較為直(zhi)觀。另一種(zhong)(zhong)(zhong)是按照(zhao)電(dian)(dian)(dian)路(lu)(lu)(lu)(lu)連接的(de)(de)(de)(de)(de)(de)(de)需要,把(ba)(ba)各個(ge)(ge)觸(chu)點(dian)分別(bie)畫到各自的(de)(de)(de)(de)(de)(de)(de)控(kong)(kong)制(zhi)(zhi)(zhi)電(dian)(dian)(dian)路(lu)(lu)(lu)(lu)中(zhong)(zhong),通(tong)常在(zai)(zai)同一繼(ji)(ji)電(dian)(dian)(dian)器(qi)的(de)(de)(de)(de)(de)(de)(de)觸(chu)點(dian)與(yu)線圈旁分別(bie)標(biao)注上相(xiang)同的(de)(de)(de)(de)(de)(de)(de)文字符號(hao),并(bing)將觸(chu)點(dian)組編上號(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