西門子系統NCU的PS燈閃爍當天修復處理好

我公司專業從事SINUMERIK數控機床、工控設備、自動化設備、機電設備、電路板、PLC等硬件故障維修及檢測，公司擁有專業的技術團隊，維修高級工程師已超過十年硬件維修技術，配有的檢測設備，自主搭建了840D、840DSL、828D、840C、802D、802DSL、840C,810D,等數控系統模擬測試平臺，可以快速可靠的檢測設備故障點位，精確維修，上機測試正常后提供給客戶，使設備能達到現場正常使用。為用戶節約時間成本、提高生產效率！

西門子840D NCU常(chang)出現(xian)的故障(zhang)為上電之后數(shu)碼(ma)(ma)(ma)管無顯示，數(shu)碼(ma)(ma)(ma)管顯示“1”,數(shu)碼(ma)(ma)(ma)管顯示“3”，數(shu)碼(ma)(ma)(ma)管顯示“8”，數(shu)碼(ma)(ma)(ma)管走“106”和“109”等。如(ru)果NCU出現(xian)上述(shu)報警(jing)均屬于NCU有(you)故障(zhang)，需要(yao)專業人士進(jin)行修(xiu)理(li)，NCU正常(chang)狀態(tai)為數(shu)碼(ma)(ma)(ma)管顯示“6”和兩個綠(lv)燈亮(liang)才屬正常(chang)。

西門子系統NCU的PS燈閃爍當天修復處理好：如(ru)有(you)要(yao)(yao)及時用酒精擦拭干凈。在(zai)條件(jian)允許的(de)(de)(de)情況下，要(yao)(yao)用示波器測量開關電(dian)(dian)(dian)源(yuan)輸出(chu)各電(dian)(dian)(dian)路電(dian)(dian)(dian)壓(ya)的(de)(de)(de)平(ping)穩性，測量驅動器電(dian)(dian)(dian)路各路波形的(de)(de)(de)方法是(shi)否有(you)畸變(bian)(bian)，UVW相(xiang)間波形是(shi)否為(wei)正(zheng)弦波，接(jie)觸器的(de)(de)(de)觸點是(shi)否有(you)打(da)火痕跡(ji)。嚴重的(de)(de)(de)要(yao)(yao)更換(huan)同型(xing)號或大(da)于原容量的(de)(de)(de)新品(pin)；確認(ren)控制電(dian)(dian)(dian)壓(ya)的(de)(de)(de)正(zheng)確性，進(jin)行順序保(bao)護動作試驗；確認(ren)保(bao)護顯示回路無(wu)異常；確認(ren)變(bian)(bian)頻(pin)(pin)器在(zai)單獨運行時輸出(chu)電(dian)(dian)(dian)壓(ya)的(de)(de)(de)平(ping)衡度。電(dian)(dian)(dian)流檢測故障（如(ru)報(bao)E019。西門子logo電(dian)(dian)(dian)源(yuan)維修從而對電(dian)(dian)(dian)網中其它(ta)設(she)備產生危害的(de)(de)(de)干擾(rao)。變(bian)(bian)頻(pin)(pin)器的(de)(de)(de)供(gong)電(dian)(dian)(dian)電(dian)(dian)(dian)源(yuan)受到(dao)來(lai)自(zi)被污染的(de)(de)(de)交流電(dian)(dian)(dian)網的(de)(de)(de)干擾(rao)后若不加處(chu)理，電(dian)(dian)(dian)網噪聲就(jiu)會通過(guo)電(dian)(dian)(dian)網電(dian)(dian)(dian)源(yuan)電(dian)(dian)(dian)路干擾(rao)變(bian)(bian)頻(pin)(pin)器。供(gong)電(dian)(dian)(dian)電(dian)(dian)(dian)源(yuan)的(de)(de)(de)干擾(rao)對變(bian)(bian)頻(pin)(pin)器主要(yao)(yao)有(you)(1)過(guo)壓(ya)、欠壓(ya)、瞬(shun)時掉(diao)電(dian)(dian)(dian)(2)浪涌、跌落(3)尖峰電(dian)(dian)(dian)壓(ya)脈沖(4)射頻(pin)(pin)干擾(rao)。