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13771165220
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樓主  發(fā)表于: 2020-04-22 10:29
PLC輸入采樣（不是模擬量，就是普通IO點(diǎn)）的詳細流程是什么樣的。
比如采樣長(cháng)度是0.1秒（舉個(gè)例子），如果在這個(gè)采樣周期內的前0.05s信號有，后0.05秒信號無(wú)，那么PLC是如何判斷這個(gè)信號在這個(gè)掃描周期內是1還是0？
請大神們來(lái)討論一下這個(gè)細節過(guò)程，最好能解說(shuō)下這個(gè)判斷流程。
leechengyu
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1樓  發(fā)表于: 2020-04-24 16:36
10ms電子濾波的意思是信號要持續ON 10ms以上才會(huì )判定為ON

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