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阿萱子v
道阻且長(cháng)，共同進(jìn)步
級別: 論壇先鋒
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樓主  發(fā)表于: 2020-06-20 09:02
圖片：
圖片：
X1       接通時(shí)         X2接通  M1復位
X1 X2 都接通時(shí)                    M1復位
X3       接通后                        M3一直置位

X4 X5 都接通時(shí)                    M4一直置位

由此，PLC是自上而下掃描，復位優(yōu)先權的說(shuō)法不準確！
[ 此帖被阿萱子v在2020-11-28 11:31重新編輯 ]

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