
西(xi)門(men)子(zi)S120主軸伺(si)服控制(zhi)器F30021接地(di)維(wei)修(xiu)
西(xi)門(men)子(zi)S120主軸伺(si)服控制(zhi)器F30021接地(di)維(wei)修(xiu),西(xi)門(men)子(zi)雙軸控制器F30005功(gong)率(lv)模塊(kuai)過(guo)載(zai)維修(xiu),西(xi)門(men)子(zi)S120開機(ji)顯(xian)示(shi)7802故(gu)障排(pai)查母(mu)線(xian)電源(yuan),西(xi)門(men)子(zi)6SL3120-2TE21-8AA3顯(xian)示(shi)F07410報(bao)警(jing)維(wei)修(xiu),S120驅動(dong)器光(guang)耦壞報(bao)F30005過(guo)載(zai)維修(xiu),西(xi)門(men)子(zi)S120單軸7806芯片(pian)壞報(bao)F30021接地(di)維(wei)修(xiu),變頻器7800無(wu)組(zu)件報(bao)警(jing),伺(si)服器F31885通(tong)訊線壞更(geng)換(huan)修(xiu)復(fu),S120過(guo)熱F30025報(bao)警(jing)維(wei)修(xiu),伺(si)服器接(jie)地(di),功(gong)率單元(yuan)過(guo)載(zai),變頻器燒(shao)保(bao)險,控制(zhi)器燈(deng)不(bu)亮,
檢(jian)查功(gong)率(lv)電纜(lan)外(wai)觀(guan)是否(fou)破損、絕(jue)緣層老(lao)化或(huo)浸水(shui),重點(dian)排(pai)查U/V/W相(xiang)線與(yu)接地(di)線(xian)短路風(feng)險(xian)。
電機(ji)與電纜(lan)絕(jue)緣檢測
使用萬(wan)用表(biao)測量(liang)驅動(dong)器輸(shu)出信號(如(ru)786J模塊(kuai)的2.2V輸(shu)出(chu)是(shi)否(fou)正常(chang)),若異常(chang)則更(geng)換(huan)IGBT模塊(kuai)。
檢測(ce)檢(jian)流電阻阻值(如786J的2、3腳阻值應為(wei)78Ω左(zuo)右(you)),偏差(cha)過(guo)大需(xu)更(geng)換(huan)。
觸(chu)發板(ban)與功率單元(yuan):
檢查觸(chu)發板(ban)電源(yuan)電壓(ya)(如(ru)±15V)是否(fou)穩(wen)定(ding),觸(chu)發脈沖(chong)波(bo)形(xing)是(shi)否(fou)正常(chang)。
測試IGBT模塊(kuai)是否(fou)擊(ji)穿,用示波(bo)器(qi)觀(guan)察輸出(chu)端對(dui)地(di)電壓(ya)波(bo)形(xing),排(pai)除(chu)內(nei)部功(gong)率(lv)器(qi)件接(jie)地(di)


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