1794-OA16

1、電源應接到變頻調速器輸入端R、S、T接線端子上，不能接到變頻調速器輸出端（U、V、W）上，否則將損壞變頻調速器。接線后，零碎線頭清除干凈，零碎線頭可能造成異常，失靈和故障，始終保持變頻調速器清潔。在控制臺上打孔時，要注意不要使碎片粉末等進入變頻調速器中。

  2、在端子+，PR間，不要連接除建議的制動電阻器選件以外的東西，或不要短路。

　　3、電磁波干擾，變頻調速器輸入／輸出（主回路）包含有諧波成分，可能干擾變頻調速器附近的通訊設備。因此，安裝選件無線電噪音濾波器FR-BIF或FRBSF01或FR-BLF線路噪音濾波器，使干擾降到小。

　　4、長距離布線時，由于受到布線的寄生電容充電電流的影響，會使快速響應電流限制功能降低，接于二次側的儀器誤動作而產生故障。因此，大布線長度要小于規定值。不得已布線長度超過時，要把Pr．156設為1。

　　5、在變頻調速器輸出側不要安裝電力電容器，浪涌抑制器和無線電噪音濾波器。否則將導致變頻調速器故障或電容和浪涌抑制器的損壞。

　　6、為使電壓降在2%以內，應使用適當型號的導線接線。變頻調速器和電動機間的接線距離較長時，特別是低頻率輸出情況下，會由于主電路電纜的電壓下降而導致電機的轉矩下降。

　　7、運行后，改變接線的操作，在電源切斷10min以上，用萬用表檢查電壓后進行。斷電后一段時間內，電容上仍然有危險的高壓電。

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