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kcai_fly
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樓主  發(fā)表于: 2018-03-06 09:13
為什么說(shuō)PLC中狀態(tài)和輔助繼電器有無(wú)數的常開(kāi)和常閉觸點(diǎn)？
在手冊中狀態(tài)和輔助繼電器都是有明確點(diǎn)數的��！
比如FX1S，狀態(tài)從S0-S127，共128點(diǎn)；輔助繼電器M0-M383一般用，M384-M511保持用，M8000-M8255特殊用。
為什么官方資料上還說(shuō)有無(wú)數個(gè)呢？求高人指點(diǎn)��！
jonesony
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1樓  發(fā)表于: 2018-03-06 10:40
例如M0，你要用幾個(gè)常開(kāi)或常閉觸點(diǎn)是沒(méi)有限制的
jonesony
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2樓  發(fā)表于: 2018-03-07 14:01
建議不要糾結這個(gè)問(wèn)題，自己做多了就領(lǐng)悟了。

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