安川 CACR-PR20BCAF 模塊
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安川 CACR-PR20BCAF 模塊
CACR-PR30BCAFKJ4001X1-NB1
CACR-PRA5AA4AHKJ4002X1-BA1
CACR-SR01AA2AHKJ4002X1-BB1
CACR-SR01AB1ERKJ4002X1-BC2
CACR-SR01AE1ERKJ4002X1-BD2
CACR-SR01AY1SRKJ4002X1-BE1
CACR-SR02AD1ERKJ4002X1-BF1
CACR-SR02AD1FRKJ4002X1-BF2
CACR-SR02AY1SRKJ4003X1-BA1
CACR-SR03AA2AHKJ4003X1-BB1
CACR-SR03AB1ERKJ4003X1-BC1
CACR-SR03AB2ERKJ4003X1-BD1
CACR-SR03AC1ERKJ4003X1-BE1
CACR-SR03AC1FUKJ4003X1-BF1
CACR-SR03AD1KRKJ4003X1-BG1
CACR-SR03BB1AFKJ4003X1-BH1
CACR-SR03BB1AMKJ4010X1-BF1
CACR-SR03BB1BFKJ4010X1-BG1
CACR-SR03BB1CSKJ4020X1-BD1
CACR-SR03BB1ESKJ4110X1-BA1
CACR-SR03BB1HSKJ4110X1-BC1
CACR-SR03BC1AMKJ6001X1-BA2
CACR-SR03BC1ESKJ6001X1-CA2
CACR-SR03BE12MKJ7001X1-BA1
安川 CACR-PR20BCAF 模塊
X20DC2395VRDM568/50LVC
X20DC4395VRDM397/50LWB
X20AT2222VRDM397/50
X20AT2402VRDM3910/50LNA
X20AT4222VRDM3910/50LNB
X20AT6402VRDM3910/50LWB
X20AO2622VRDM3913/50LWB
X20AO2632VRDM3913/50LNC
X20AO4622VRDM3913/50LWC
X20AO4632VRDM5913/50LNC
X20AI2622WS5-5.281-00
X20AI4622WS5-9.08100
X20AI4632WD3-004.0801
X20DO2322WD3-007
X20DO4322WD3-008.0801
X20DO4332WDM3-004.0801
X20DO6321WDM3-004.1801
X20DO6322WDP5-118.05100
X20DO8332TLC511F
X20DO9322D450.01
X20DI2371D225.01
X20DI2377WD3-004
X20DI4371WP-311
X20DI6371WP-318
X20DI6372WDM3-008
X20DI9371WDPM3-314.03200
X20DI9372WDPM3-314.93202
安川 CACR-PR20BCAF 模塊
分析維修:開蓋時未發(fā)現(xiàn)燒壞跡象,IGBT (7mr25nf-120)在線測量基本正確。為了進(jìn)一步判斷問題,在移除IGBT后,7個單元的大功率晶體管被很好地導(dǎo)通和關(guān)斷。測量上半橋的驅(qū)動電路時,發(fā)現(xiàn)有一個電路與另外兩個電路明顯不同。仔細(xì)檢查后發(fā)現(xiàn)某光耦A(yù)3120的輸出引腳與電源負(fù)極短路,更換后三個電路基本相同。模塊上電,運行良好