西門子840D鏜銑床NCU/PF紅燈亮維修，我公(gong)(gong)司已經發(fa)展成為(wei)一(yi)家專業維(wei)(wei)修(xiu)與銷售日(ri)本(ben)發(fa)那科（FANUC）、三(san)菱（MITSUBSHI）控(kong)制系統(tong)等各種(zhong)數控(kong)系統(tong)，系統(tong)電路(lu)板(ban)、伺(si)服(fu)驅動器、伺(si)服(fu)電機(ji)、主(zhu)軸(zhou)電機(ji)和高速主(zhu)軸(zhou)維(wei)(wei)修(xiu)的(de)(de)CNC數控(kong)維(wei)(wei)修(xiu)服(fu)務企業。公(gong)(gong)司擁(yong)有(you)一(yi)批(pi)技術精湛、經驗豐(feng)(feng)富(fu)的(de)(de)維(wei)(wei)修(xiu)工程師。對于三(san)菱、FANUC數控(kong)系統(tong)電路(lu)板(ban)，各種(zhong)國(guo)產、進口(kou)電主(zhu)軸(zhou)，高速主(zhu)軸(zhou)維(wei)(wei)修(xiu)具(ju)有(you)相當豐(feng)(feng)富(fu)的(de)(de)經驗，能(neng)快速、準確的(de)(de)確定故障點，并及時排除。為(wei)企業節省了(le)大量的(de)(de)資金，縮短了(le)停產周期，提高了(le)工作效率，在(zai)用戶中樹立了(le)良好的(de)(de)口(kou)碑。

西門子840D鏜銑床NCU/PF紅燈亮維修，分析處(chu)理：主(zhu)器(qi)(qi)件內(nei)部自(zi)保(bao)護主(zhu)要功能 主(zhu)器(qi)(qi)件內(nei)部具有自(zi)保(bao)護功能,主(zhu)要功能有過電(dian)流、電(dian)源(yuan)欠電(dian)壓、散熱(re)器(qi)(qi)過熱(re)、短路 地等保(bao)護方式 (2)故(gu)障(zhang)(zhang)代(dai)碼 主(zhu)器(qi)(qi)件自(zi)保(bao)護電(dian)路動(dong)作(zuo)時,顯示(shi)器(qi)(qi)就會(hui)顯示(shi)“FL”故(gu)障(zhang)(zhang)代(dai)碼(變頻器(qi)(qi)類型不同時,顯 示(shi)的故(gu)障(zhang)(zhang)代(dai)碼可能也不一樣)。

NCU矢(shi)量控(kong)制(zhi)(zhi)方(fang)式就是(shi)(shi)將定(ding)子(zi)電(dian)(dian)(dian)流(liu)(liu)成規定(ding)的(de)磁(ci)場電(dian)(dian)(dian)流(liu)(liu)和轉(zhuan)矩(ju)(ju)電(dian)(dian)(dian)流(liu)(liu)，分(fen)別進(jin)行控(kong)制(zhi)(zhi)，同時(shi)將兩者后的(de)定(ding)子(zi)電(dian)(dian)(dian)流(liu)(liu)輸(shu)出給電(dian)(dian)(dian)動(dong)機，因此(ci)，從原(yuan)理(li)上可(ke)得(de)到與直(zhi)流(liu)(liu)電(dian)(dian)(dian)動(dong)機相同的(de)控(kong)制(zhi)(zhi)性能，采用(yong)轉(zhuan)矩(ju)(ju)矢(shi)量控(kong)制(zhi)(zhi)功(gong)(gong)能，電(dian)(dian)(dian)動(dong)機在各種運行條件下都(dou)能輸(shu)出轉(zhuan)矩(ju)(ju)，尤其是(shi)(shi)電(dian)(dian)(dian)動(dong)機在低速運行區域(yu)，現在的(de)變(bian)頻(pin)器幾乎都(dou)采用(yong)無(wu)反(fan)饋矢(shi)量控(kong)制(zhi)(zhi)，由(you)于(yu)變(bian)頻(pin)器能根據負(fu)載電(dian)(dian)(dian)流(liu)(liu)大小和相位進(jin)行轉(zhuan)差(cha)(cha)補(bu)(bu)償，使電(dian)(dian)(dian)動(dong)機具(ju)有(you)很硬(ying)的(de)力學特(te)性，對于(yu)多數場合已能滿足要(yao)求，不需(xu)在變(bian)頻(pin)器的(de)外部設(she)置速度(du)反(fan)饋電(dian)(dian)(dian)路，這一(yi)(yi)功(gong)(gong)能的(de)設(she)定(ding)，可(ke)根據實際情況在有(you)效和無(wu)效中選擇一(yi)(yi)項即可(ke)，與之(zhi)有(you)關的(de)功(gong)(gong)能是(shi)(shi)轉(zhuan)差(cha)(cha)補(bu)(bu)償控(kong)制(zhi)(zhi)，其作用(yong)是(shi)(shi)為(wei)補(bu)(bu)償由(you)負(fu)載波動(dong)而引(yin)起(qi)的(de)速度(du)偏差(cha)(cha)，可(ke)加(jia)上對應于(yu)負(fu)載電(dian)(dian)(dian)流(liu)(liu)的(de)轉(zhuan)差(cha)(cha)頻(pin)率，這一(yi)(yi)功(gong)(gong)能主要(yao)用(yong)于(yu)定(ding)位控(kong)制(zhi)(zhi)

西(xi)門子840D NCU最常(chang)(chang)出(chu)(chu)現(xian)的故障為上電之后數(shu)碼(ma)管(guan)(guan)(guan)無顯(xian)(xian)(xian)示(shi)(shi)，數(shu)碼(ma)管(guan)(guan)(guan)顯(xian)(xian)(xian)示(shi)(shi)“1”,數(shu)碼(ma)管(guan)(guan)(guan)顯(xian)(xian)(xian)示(shi)(shi)“3”，數(shu)碼(ma)管(guan)(guan)(guan)顯(xian)(xian)(xian)示(shi)(shi)“8”，數(shu)碼(ma)管(guan)(guan)(guan)走(zou)“106”和“109”等(deng)。如果(guo)NCU出(chu)(chu)現(xian)上述報警均屬于(yu)NCU有故障，NCU正常(chang)(chang)狀態為數(shu)碼(ma)管(guan)(guan)(guan)顯(xian)(xian)(xian)示(shi)(shi)“6”和兩個綠燈(deng)亮才屬正常(chang)(chang)。

專業維修西(xi)門子840D、840D sl、810D數(shu)(shu)(shu)控系統(tong)NCU/CCU數(shu)(shu)(shu)控單元(yuan)常見故(gu)障(zhang)：7段碼(ma)(ma)指示燈無顯示，數(shu)(shu)(shu)碼(ma)(ma)管數(shu)(shu)(shu)字一(yi)直跳換(huan)閃爍(shuo)維修，H1、H2全亮，7段碼(ma)(ma)顯示8，7段碼(ma)(ma)數(shu)(shu)(shu)字翻轉數(shu)(shu)(shu)據(ju)不能總清，電池(chi)、風扇故(gu)障(zhang)，數(shu)(shu)(shu)據(ju)不能保持，接口故(gu)障(zhang)，數(shu)(shu)(shu)碼(ma)(ma)管數(shu)(shu)(shu)字不停閃維修，NCU報警，CCU不正常等(deng)(deng)等(deng)(deng)故(gu)障(zhang)維修。

西(xi)門(men)子NCU/840D/810D訂(ding)貨號(hao)：

NCU 571.2 6FC5357-0BB11-0AE0
NCU 571.3 6FC5357-0BB11-0AE1
NCU 571.3 6FC5357-0BB13-0AA0
NCU 571.3 6FC5357-0BB13-0AA1
NCU 571.4 6FC5357-0BB14-0AA0
NCU 571.4 6FC5357-0BB12-0AE0
NCU 571.5 6FC5357-0BB15-0AA0
NCU 572.2 6FC5357-0BB21-0AE0
NCU 572.2 6FC5357-0BB21-0AE1
NCU 572.2 6FC5357-0BB52-0AE0
NCU 572.3 6FC5357-0BB22-0AE0
NCU 572.3 6FC5357-0BB23-0AA0
NCU 572.3 6FC5357-0BB23-0AA1
NCU 572.4 6FC5357-0BB23-0AE0
NCU 572.4 6FC5357-0BB24-0AA0
NCU 572.5 6FC5357-0BB25-0AA0
NCU 573.2 6FC5357-0BB31-0AE0
NCU 573.2 6FC5357-0BB33-0AE0
NCU 573.2 6FC5357-0BB33-0AE1
NCU 573.2 6FC5357-0BB53-0AE1
NCU 573.3 6FC5357-0BB33-0AE2
NCU 573.3 6FC5357-0BB33-0AE3
NCU 573.3 6FC5357-0BB33-0AA0
NCU 573.3 6FC5357-0BB33-0AA1
NCU 573.4 6FC5357-0BB34-0AA0
NCU 573.4 6FC5357-0BB34-0AE0
NCU 573.4 6FC5357-0BB34-0AE1
NCU 573.5 6FC5357-0BB35-0AA0