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萬用表

萬用表檢測編碼器的好壞

發布日期:2022-10-11 點擊率:902 品牌:組態王_Kingview

編碼器的現場判斷一直是個比較困難的問題,下面將一些小方法介紹給你們供參考,可用其中的一種判別, 也可以幾種方法一起用。 

用數字萬用表的直流電壓檔,分別去測量。編碼器的A相對地電壓和B相對地電壓(編碼器一定要在均速轉動)。 如果其中有一相電壓為零0V?;蚴冀K為高電平的話,那么編碼器肯定損壞了。如果A相和B相對0V(數字地)的 電壓,在工作電源電壓的一半附近的話,那么編碼器應該是完好的。A相或B相對0V的電壓始終在高電平附近或低 電平附近,那么編碼器有故障。

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