西門(men)子(zi)直流調速裝置(zhi)報(bao)A035故障當天解決好;恒稅公(gong)司是國內較早(zao)從事工控設備(bei)維修單位,是德國SIEMENS西門(men)子(zi)維修單位,目前擁有維修工程師和(he)先進(jin)的(de)(de)維修設備(bei),具有豐富的(de)(de)維修技(ji)術和(he)經驗。我們一直專注(zhu)維修技(ji)術的(de)(de)研究,保證不二次損壞機器,不收取任何檢測(ce)費(fei)用(yong),維修西門(men)子(zi)就找專修西門(men)子(zi)公(gong)司!
西門子直流調速裝置報A035故障當天解決好
上(shang)海恒稅電氣有(you)(you)限(xian)公司,你的(de)(de)選擇沒有(you)(you)錯。公司自成立(li)(li)以(yi)來,長(chang)期銷售維(wei)修西門子變頻器(qi)及伺服驅動(dong)器(qi)的(de)(de),觸摸屏,PLC,直(zhi)流調速器(qi)等,積累了豐富的(de)(de)維(wei)修經(jing)驗,對所維(wei)修的(de)(de)機(ji)器(qi)建(jian)立(li)(li)完善(shan)的(de)(de)維(wei)修檔案,所有(you)(you)我(wo)們(men)(men)維(wei)修的(de)(de)機(ji)器(qi)我(wo)們(men)(men)都(dou)有(you)(you)完善(shan)的(de)(de)參數備份,確保我(wo)們(men)(men)維(wei)修的(de)(de)機(ji)器(qi)上(shang)機(ji)即能(neng)使用。
西門子直流調速裝置報A035故障當天解決好
這(zhe)個時(shi)候應該將電(dian)(dian)(dian)(dian)(dian)源(yuan)驅(qu)(qu)動(dong)(dong)(dong)板及主板拆(chai)下,著(zhu)重(zhong)檢查下驅(qu)(qu)動(dong)(dong)(dong)電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)上是(shi)否(fou)(fou)有損(sun)(sun)壞的(de)(de)部(bu)分,如(ru)有損(sun)(sun)壞的(de)(de)元器(qi)件就更換掉,作好(hao)初步(bu)維修后(hou)接著(zhu)使用(yong)上面介紹(shao)的(de)(de)直流(liu)電(dian)(dian)(dian)(dian)(dian)源(yuan)單(dan)獨給(gei)板子(zi)上電(dian)(dian)(dian)(dian)(dian)并(bing)開起來(lai)(lai),接著(zhu)需要使用(yong)電(dian)(dian)(dian)(dian)(dian)子(zi)示波(bo)器(qi)測量六路(lu)(lu)驅(qu)(qu)動(dong)(dong)(dong)電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)上電(dian)(dian)(dian)(dian)(dian)壓(ya)是(shi)否(fou)(fou)相同,當給(gei)定一(yi)(yi)個啟(qi)動(dong)(dong)(dong)信號時(shi)六路(lu)(lu)驅(qu)(qu)動(dong)(dong)(dong)電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)的(de)(de)波(bo)形是(shi)否(fou)(fou)一(yi)(yi)致;如(ru)果(guo)手里(li)沒有電(dian)(dian)(dian)(dian)(dian)子(zi)示波(bo)器(qi)的(de)(de)話,也可以嘗試(shi)使用(yong)數字式電(dian)(dian)(dian)(dian)(dian)子(zi)萬(wan)用(yong)表來(lai)(lai)測量驅(qu)(qu)動(dong)(dong)(dong)電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)六路(lu)(lu)的(de)(de)直流(liu)電(dian)(dian)(dian)(dian)(dian)壓(ya),一(yi)(yi)般來(lai)(lai)說,未(wei)啟(qi)動(dong)(dong)(dong)時(shi)的(de)(de)每路(lu)(lu)驅(qu)(qu)動(dong)(dong)(dong)電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)上的(de)(de)直流(liu)電(dian)(dian)(dian)(dian)(dian)壓(ya)約為(wei)10V左右,啟(qi)動(dong)(dong)(dong)后(hou)的(de)(de)直流(liu)電(dian)(dian)(dian)(dian)(dian)壓(ya)約為(wei)2-3V,如(ru)果(guo)測量結果(guo)一(yi)(yi)切正常的(de)(de)話,基本可以判斷(duan)此變頻器(qi)的(de)(de)驅(qu)(qu)動(dong)(dong)(dong)電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)是(shi)好(hao)的(de)(de)。
,它包(bao)括(kuo)了變頻器加(jia)速(su)中過電(dian)流,減(jian)速(su)中過電(dian)流,和恒速(su)中過電(dian)流,此故障產生的原因主要有以(yi)下幾種:
(1) 加速(su)時間(jian)過短,這是我們過電流現象中最常見的。依據不(bu)同(tong)的負載情況我們相應(ying)地(di)調整加減(jian)速(su)時間(jian),就能消除此故障。
(2) 大功(gong)率(lv)晶(jing)體(ti)管的(de)(de)(de)損壞也可能(neng)(neng)(neng)引起OC報警(jing),富士變頻器的(de)(de)(de)大功(gong)率(lv)晶(jing)體(ti)管隨(sui)著半(ban)導體(ti)技(ji)術的(de)(de)(de)發(fa)展經過(guo)了幾次換代,從早期的(de)(de)(de)用于G2(P2),G5(P5),G7(P7)系(xi)列(lie)的(de)(de)(de)GTR模(mo)塊(kuai)(kuai)(kuai),到(dao)G9(P9)系(xi)列(lie)的(de)(de)(de)IGBT模(mo)塊(kuai)(kuai)(kuai),直(zhi)到(dao)現在使(shi)用的(de)(de)(de)IPM模(mo)塊(kuai)(kuai)(kuai),無論從封(feng)裝(zhuang)技(ji)術還是(shi)保(bao)(bao)護(hu)性能(neng)(neng)(neng),都有了很大的(de)(de)(de)提高,高耐壓(ya)、大電流、高頻、低耗、靜音(yin)、多保(bao)(bao)護(hu)功(gong)能(neng)(neng)(neng)已成為大功(gong)率(lv)晶(jing)體(ti)管模(mo)塊(kuai)(kuai)(kuai)的(de)(de)(de)發(fa)展趨勢。大功(gong)率(lv)晶(jing)體(ti)管模(mo)塊(kuai)(kuai)(kuai)的(de)(de)(de)損壞主要可能(neng)(neng)(neng)有以(yi)下幾種原因造成:
a) 輸出(chu)負載發(fa)生短路;
b) 負載過大,大電流持續出現;
c) 負載波(bo)動(dong)很大,導致浪(lang)涌電(dian)流過(guo)大,都可能引起OC報警,損壞功率(lv)模(mo)塊。
(3) 驅(qu)動大功率晶體管工作(zuo)的驅(qu)動電路(lu)(lu)的損(sun)壞也是(shi)導致過流報警(jing)的一個原因。富(fu)(fu)士(shi)G7S、G9S分別使(shi)用了PC922,PC923兩(liang)種光耦(ou)作(zuo)為驅(qu)動電路(lu)(lu)的核心(xin)部分,由于內(nei)置放(fang)大電路(lu)(lu),線路(lu)(lu)設計(ji)簡單,被包括(kuo)富(fu)(fu)士(shi)變(bian)(bian)頻器在內(nei)的多家變(bian)(bian)頻器廠家廣泛使(shi)用。驅(qu)動電路(lu)(lu)損(sun)壞表現出來最常見(jian)的現象就(jiu)是(shi)缺相,或三相輸出電壓(ya)不平衡。
(4) 檢測電路的(de)損壞也(ye)會導致(zhi)變頻器顯(xian)示OC報(bao)警,檢測電流的(de)霍爾傳感(gan)器由于受溫度,濕度等環境因數的(de)影響,工(gong)作點很容易發生(sheng)飄移,導致(zhi)OC報(bao)警。、
RA70直流調速裝置(zhi)故障代碼F068模擬端口故障-西門子(zi)直流調速裝置(zhi)報F068模擬檢測通道
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