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y_fx2000
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樓主  發(fā)表于: 2023-04-19 16:39
西門(mén)子的1200系列cpu做模擬量累積（例如做流量的累積），瞬時(shí)流量準確但累積流量不準確，偏差非常大，感覺(jué)上是低端cpu時(shí)間基準不準確導致的，因為用同樣的編程方法在S7-300和1500系列下又是準確的。不知道各位可否有什么好的解決辦法，請大神指導。
順便說(shuō)一下我是OB30里面做累積的，循環(huán)中斷時(shí)間為100ms
yiyi5138
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1樓  發(fā)表于: 2023-05-06 06:40
計算順序錯了，應該先累加，再計算實(shí)際值,15樓說(shuō)的有道理

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