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編(bian)碼(ma)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)產生(sheng)(sheng)(sheng)電(dian)信(xin)(xin)號(hao)(hao)后由數(shu)控制(zhi)(zhi)置CNC、可編(bian)程邏輯控制(zhi)(zhi)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)PLC、控制(zhi)(zhi)系統(tong)(tong)等來處理(li)(li)。這(zhe)(zhe)些傳感器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)主要(yao)應(ying)用(yong)在(zai)下列(lie)方面(mian)：機床(chuang)、材料(liao)加工(gong)(gong)、電(dian)動(dong)(dong)機反饋系統(tong)(tong)以(yi)及測量和控制(zhi)(zhi)設備(bei)。在(zai)ELTRA編(bian)碼(ma)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)中角位移(yi)的(de)(de)(de)(de)(de)轉(zhuan)(zhuan)換(huan)采用(yong)了光電(dian)掃描原理(li)(li)。讀數(shu)系統(tong)(tong)是基于徑向分(fen)度(du)盤的(de)(de)(de)(de)(de)旋轉(zhuan)(zhuan)，該分(fen)度(du)由交替的(de)(de)(de)(de)(de)透(tou)光窗口和不(bu)透(tou)光窗口構成(cheng)的(de)(de)(de)(de)(de)。此(ci)系統(tong)(tong)全部用(yong)一(yi)(yi)個(ge)紅外光源垂直照(zhao)射，這(zhe)(zhe)樣光就(jiu)把盤子上(shang)的(de)(de)(de)(de)(de)圖像投(tou)射到接收(shou)(shou)(shou)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)表面(mian)上(shang)，該接收(shou)(shou)(shou)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)覆蓋著一(yi)(yi)層(ceng)光柵，稱為準直儀，它(ta)具有(you)和光盤相同的(de)(de)(de)(de)(de)窗口。接收(shou)(shou)(shou)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)工(gong)(gong)作(zuo)是感受光盤轉(zhuan)(zhuan)動(dong)(dong)所產生(sheng)(sheng)(sheng)的(de)(de)(de)(de)(de)光變(bian)(bian)化，然后將光變(bian)(bian)化轉(zhuan)(zhuan)換(huan)成(cheng)相應(ying)的(de)(de)(de)(de)(de)電(dian)變(bian)(bian)化。一(yi)(yi)般地，旋轉(zhuan)(zhuan)編(bian)碼(ma)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)也能(neng)(neng)得(de)到一(yi)(yi)個(ge)速(su)度(du)信(xin)(xin)號(hao)(hao)，這(zhe)(zhe)個(ge)信(xin)(xin)號(hao)(hao)要(yao)反饋給(gei)變(bian)(bian)頻(pin)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)，從而(er)調(diao)節(jie)變(bian)(bian)頻(pin)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)輸(shu)出(chu)(chu)數(shu)據。故障現象(xiang)：1、旋轉(zhuan)(zhuan)編(bian)碼(ma)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)壞（無輸(shu)出(chu)(chu)）時，變(bian)(bian)頻(pin)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)不(bu)能(neng)(neng)正常(chang)工(gong)(gong)作(zuo)，變(bian)(bian)得(de)運行速(su)度(du)很慢，而(er)且一(yi)(yi)會兒變(bian)(bian)頻(pin)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)保護，顯示“PG斷(duan)開"...聯(lian)合(he)動(dong)(dong)作(zuo)才能(neng)(neng)起(qi)作(zuo)用(yong)。要(yao)使電(dian)信(xin)(xin)號(hao)(hao)上(shang)升到較高電(dian)平，并(bing)產生(sheng)(sheng)(sheng)沒有(you)任(ren)何干擾的(de)(de)(de)(de)(de)方波脈沖，這(zhe)(zhe)就(jiu)必(bi)須用(yong)電(dian)子電(dian)路來處理(li)(li)。編(bian)碼(ma)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)pg接線與參數(shu)矢(shi)量變(bian)(bian)頻(pin)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)與編(bian)碼(ma)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)pg之間的(de)(de)(de)(de)(de)連接方式，必(bi)須與編(bian)碼(ma)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)pg的(de)(de)(de)(de)(de)型(xing)號(hao)(hao)相對應(ying)。一(yi)(yi)般而(er)言，編(bian)碼(ma)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)pg型(xing)號(hao)(hao)分(fen)差(cha)動(dong)(dong)輸(shu)出(chu)(chu)、集電(dian)極開路輸(shu)出(chu)(chu)和推挽(wan)輸(shu)出(chu)(chu)三種(zhong)，其信(xin)(xin)號(hao)(hao)的(de)(de)(de)(de)(de)傳遞方式必(bi)須考慮到變(bian)(bian)頻(pin)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)pg卡(ka)的(de)(de)(de)(de)(de)接口，因此(ci)選擇合(he)適的(de)(de)(de)(de)(de)pg卡(ka)型(xing)號(hao)(hao)或者設置合(he)理(li)(li).