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yushaoquan12
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樓主  發(fā)表于: 2022-09-08 10:09
我們在實(shí)際使用PLC中，對漏型和源型PLC如何區分，如果我們漏型的PLC跟我們光電開(kāi)關(guān)PNP型如何才能共用，
有志者事成
gxtmdb82164
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1樓  發(fā)表于: 2022-09-09 08:33
不用死記什么源型漏型,按照正常邏輯高電位在上,低電位在下,PLC輸入和其他的什么驅動(dòng)都是負載,傳感器也好,觸點(diǎn)也好都是開(kāi)關(guān),看回路上這個(gè)開(kāi)關(guān)和負載的位置就行了,高邊開(kāi)關(guān)開(kāi)關(guān)在上接電源,下面是負載接低電位,低電位開(kāi)關(guān)在下接低電位,負載在上接高電位

低邊開(kāi)關(guān)就是漏型,高邊開(kāi)關(guān)是源型~
而且這個(gè)都是在設計階段就定義好的,后面遇到實(shí)物需要混用的時(shí)候100%加繼電器中轉的~

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