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711022027
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12樓  發(fā)表于: 2015-10-16 09:39
看見(jiàn)國外的柜子都有加隔離變壓器，變頻器輸入輸出都有濾波器，接地線(xiàn)都有單獨小銅棑，中規中矩的做法值得我們學(xué)習。
secgo
玩多了就更不會(huì )玩了~
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13樓  發(fā)表于: 2015-10-16 11:17
難跟外國比啊~
zhtokokk
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14樓  發(fā)表于: 2015-10-17 08:16
           對PLC來(lái)說(shuō)，變頻器是個(gè)大的干擾源，不能分開(kāi)裝在不同柜子的話(huà)，注意安裝布置，加濾波器。
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