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小魔仙
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樓主  發(fā)表于: 2022-04-02 15:35
新PLC的其中一個(gè)輸出點(diǎn)有顯示，輸出點(diǎn)對電源有電壓，但繼電器不動(dòng)作，繼電器沒(méi)問(wèn)題，請教各位原因
yeyhx
愛(ài)雖沒(méi)有說(shuō)出口, 但并不代表不愛(ài)!!!
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1樓  發(fā)表于: 2022-04-07 15:28
我曾遇到一個(gè)故障，當時(shí)Y0驅動(dòng)一個(gè)固態(tài)繼電器，固態(tài)控制一個(gè)電熱絲。上電后沒(méi)有運行程，就是用手按著(zhù)PLC的面板時(shí)電熱絲就燒斷了，手不按沒(méi)事，程序也可正常運行。。。
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