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shi7025159
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樓主  發(fā)表于: 2024-11-01 08:08
在實(shí)際使用中需要一直監控Modbus通訊的內容，在通訊內容發(fā)生變化的時(shí)候設備要采取不同的動(dòng)作。例如管道A的壓力值發(fā)生變化了，那相應的閥要有動(dòng)作，如果沒(méi)有變化就不需要動(dòng)作。那是不是就一直需要輪詢(xún)，并且進(jìn)行對比？有什么好的實(shí)現思路嗎？

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