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小飛哥飛
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樓主  發(fā)表于: 2017-04-30 17:20

如圖中的這么一個(gè)直流接觸器，有時(shí)候主觸點(diǎn)動(dòng)作不牢靠（主觸點(diǎn)也是通24V直流電），有什么辦法可以對該接觸器進(jìn)行一個(gè)監測，保證線(xiàn)圈得電吸合的時(shí)候，主觸點(diǎn)也牢靠的吸合，若是主觸點(diǎn)吸合不牢靠，就會(huì )警報，除了PLC。
[ 此帖被小飛哥飛在2017-05-01 15:32重新編輯 ]
cjm1234
級別: 網(wǎng)絡(luò )英雄

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1樓  發(fā)表于: 2017-04-30 18:54
買(mǎi)牌子好一點(diǎn)，定時(shí)更換。
樓主留言：
都是半年一換，依然還是會(huì )出現這樣的問(wèn)題。

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