檢查系統(tǒng)參數(shù)設(shè)置是否正確 1、參數(shù)設(shè)置對伺服系統(tǒng)的性能影響很大,因此,必須按照設(shè)定要求來進行參數(shù)設(shè)置。如果參數(shù)設(shè)置錯誤,將會造成電機運行不正?;驒C械傳動機構(gòu)不能正常工作等問題。 2、在伺服驅(qū)動系統(tǒng)中,用戶經(jīng)常需要對一些重要的參數(shù)進行設(shè)定,如速度設(shè)定、位置設(shè)定等,如果這些重要參數(shù)不正確或設(shè)定錯誤將會導(dǎo)致電機運行出現(xiàn)問題。 3、為了提高伺服系統(tǒng)的控制性能,可以將某些伺服電機的驅(qū)動程序增加一些參數(shù)設(shè)置。 4、為了使系統(tǒng)工作可靠,有必要檢查和測試伺服電機的各種保護功能是否有效。 5、當(dāng)伺服系統(tǒng)出現(xiàn)故障時,應(yīng)及時停止設(shè)備運行并進行修理。 檢測伺服電機的參數(shù)是否有變化 1、伺服電機參數(shù)包括:負載扭矩、輸入頻率、轉(zhuǎn)矩/速度比、大轉(zhuǎn)矩/轉(zhuǎn)速、輸出電壓(V)和電流(A)等; 2、如果有變化,應(yīng)該根據(jù)伺服電機的型號和參數(shù)設(shè)置來設(shè)定; 3、如果參數(shù)變化,先檢查電源是否正常,然后檢查伺服電機和驅(qū)動器的連接是否正常,后再檢查伺服電機的參數(shù)設(shè)置是否正確。 對電機進行啟動試驗 1、接通電源,觀察電流表的示數(shù),觀察電機的轉(zhuǎn)動方向和有無異?,F(xiàn)象。 2、用萬用表測量電機的絕緣電阻值,不得低于2MΩ。 3、用示波器觀察電機的啟動過程,在啟動過程中檢查電流是否正常,有無沖擊及過流現(xiàn)象。 4、用示波器觀察電機轉(zhuǎn)子轉(zhuǎn)速信號是否正常。
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