示波器檢查驅(qū)動器的電流輸出端時，發(fā)現(xiàn)它全為噪聲，無法讀出 故障原因：電流輸出端沒有與交流電源相隔離(變壓器)。? 處理方法：可以用直流電壓表檢測觀察。 2、電機在一個方向上比另一個方向跑得快 (1)故障原因：無刷電機的相位搞錯。? 處理方法：檢測或查出正確的相位。?(2)故障原因：在不用于測試時，測試/偏差開關(guān)打在測試位置。? 處理方法：將測試/偏差開關(guān)打在偏差位置。?(3)故障原因：偏差電位器位置不正確。? 處理方法：重新設(shè)定。 3、電機失速 (1)故障原因：速度反饋的性搞錯。??處理方法：可以嘗試以下方法。??a.如果可能，將位置反饋性開關(guān)打到另一位置。(某些驅(qū)動器上可以)??b.如使用測速機，將驅(qū)動器上的TACH+和TACH-對調(diào)接入。??c.如使用編碼器，將驅(qū)動器上的ENC A和ENC B對調(diào)接入。??d.如在HALL速度模式下，將驅(qū)動器上的HALL-1和HALL-3對調(diào)，再將Moto r-A和Motor-B對調(diào)接好。(2)故障原因：編碼器速度反饋時，編碼器電源失電。??處理方法：檢查連接5V編碼器電源。確保該電源能提供足夠的電流。如使 用外部電源，確保該電壓是對驅(qū)動器信號地的。OKUMA VACI DRIVE 1006-1616-0828-011 (E4809-045-140-B 10...
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