西門子變頻器維修速度(du)不穩定(ding)維(wei)(wei)(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)(xiu)(xiu)，變(bian)頻(pin)器(qi)上錯電(dian)維(wei)(wei)(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)(xiu)(xiu)，變(bian)頻(pin)器(qi)炸機(ji)維(wei)(wei)(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)(xiu)(xiu)，西(xi)門子6SE70MC變(bian)頻(pin)器(qi)維(wei)(wei)(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)(xiu)(xiu)，運轉電(dian)機(ji)抖動維(wei)(wei)(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)(xiu)(xiu)，面板(ban)(ban)無顯(xian)示維(wei)(wei)(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)(xiu)(xiu)，速度(du)慢維(wei)(wei)(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)(xiu)(xiu)，飛車維(wei)(wei)(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)(xiu)(xiu)，6SE70伺服板(ban)(ban)維(wei)(wei)(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)(xiu)(xiu)，速度(du)不可控維(wei)(wei)(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)(xiu)(xiu)，面板(ban)(ban)報錯維(wei)(wei)(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)(xiu)(xiu)，運轉精度(du)達不到維(wei)(wei)(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)(xiu)(xiu)，6SE70主板(ban)(ban)維(wei)(wei)(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)(xiu)(xiu)，通訊板(ban)(ban)壞維(wei)(wei)(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)(xiu)(xiu)，6SE70啟動板(ban)(ban)維(wei)(wei)(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)(xiu)(xiu)，G92維(wei)(wei)(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)(xiu)(xiu)，不能通訊維(wei)(wei)(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)(xiu)(xiu)，控制(zhi)板(ban)(ban)維(wei)(wei)(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)(xiu)(xiu)，A5E01161645A-001維(wei)(wei)(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)(xiu)(xiu)，CUCP維(wei)(wei)(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)(xiu)(xiu)，A5E00444036維(wei)(wei)(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)(xiu)(xiu)，
西門子變頻器PROFIBUS總線通訊故障的常見處理辦法
西門子MM440系列的變頻器維修PROFIBUS總線通訊故障,其在操作顯示屏 上顯示的故障在代碼是F0070。導致西門子變頻器維修PROFIBUS總線通訊故障的原理是因為變頻器在規定的時間內P2040參數在規定的時間內沒有收到DP主站的報文。從而引發此種故障。在西(xi)門(men)子(zi)變頻器(qi)PROFIBUS總(zong)線通訊(xun)故障原因(yin)可能是(shi)因(yin)為DP主站異常(chang)、硬件問題、或總(zong)線干擾導(dao)致通訊(xun)異常(chang)。導(dao)致西(xi)門(men)子(zi)變頻器(qi)維(wei)修此(ci)故障的具體常(chang)見原因(yin)有以(yi)下幾種情(qing)況(kuang):
首(shou)個種(zhong)時候DP主站誕生不(bu)正確(que), DP主站暫停服務亦或是正常情況下(xia)通迅時DP主站發布不(bu)起(qi)作用調控字。
二、種故(gu)障(zhang)率原因是(shi)定(ding)頻器的計(ji)算機硬件(jian)有故(gu)障(zhang) 。如定(ding)頻器聯系外鏈(lian)中止(zhi)( DP拖鏈(lian)電纜寬帶掉(diao)線(xian)或DP電源線(xian)插頭(tou)脫焊這(zhe)些)和(he)是(shi)PROFIBUS模板開發與定(ding)頻器碰(peng)到(dao)不好的或接瀏覽器插件(jian)腳針故(gu)障(zhang)。
第三一類系統故障病因即是干預故障也許出現一些四種狀況: ①定頻器按照配線不相包含規則; ②調頻器的POS機終端功率電阻設定處理不當;
③PROFIBUS通訊受到干擾
根據以上三種導致西門子變頻器PROFIBUS總線通訊故障的常見處理辦法如下:
第一項(xiang)是(shi)(shi)檢(jian)查主站是(shi)(shi)否出(chu)現異常可以分為(wei):
②檢查控制字,控制字的第10位必須為1。
第二項檢查是硬件是否有問題:首先檢查DP電纜斷線或DP插頭是否松動;其次檢查PROFIBUS模板安裝是否正確,是否存在松動;最后檢查PROFIBUS模板是否損壞(如果有其它PROFIBUS模板可以進行交叉測試)
第三項就是變頻器的干擾問題,可以采取以下變頻器維修措施來預防和解決:
①觀察DP主站(zhan)、定(ding)頻(pin)柜器(qi)能(neng)不能(neng)正確合理安全地線(xian)線(xian),定(ding)頻(pin)柜器(qi)與發高壓(ya)電(dian)機(ji)范圍內(nei)連(lian)結(jie)低(di)壓(ya)數據線(xian)好一點應用4芯低(di)壓(ya)數據線(xian)3相+PE線(xian),并應用PE線(xian)將定(ding)頻(pin)柜器(qi)和發高壓(ya)電(dian)機(ji)開始地線(xian)線(xian)連(lian)結(jie);
②檢查PROFIBUS電纜屏蔽層是否可靠接地, PROFIBUS電纜屏蔽層應正確壓接到DP插頭的屏蔽夾中;
③檢查PROFIBUS電纜是否與動力電纜走在同一橋架或走線槽中, PROFIBUS電纜應與動力電纜保持一定距離,如果平行布線間距最好大于20cm ;
④檢查總線插頭終端電阻撥碼開關是否在適當的位置,網絡的兩個終端必須設置終端電阻
⑤檢查PROFIBUS總線終端站點是否上電,如未上電終端電阻無效
⑥檢查通訊電纜是否超長,不同的通訊速率允許的最大電纜長度請參考相關手冊
⑦適當降低PROFIBUS通訊速率,降低通訊速率有利于PROFIBUS總線信號抗干擾
⑧增大通訊(xun)超(chao)時監控(kong)時間( P2040 )
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