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keven1
keven1
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樓主  發(fā)表于: 2014-11-23 08:11
請教各位，那些品牌的小型PLC，掃描時(shí)間在0.1ms/千步！
supermax
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1樓  發(fā)表于: 2014-11-24 14:58
引用
引用第14樓王春茂于2014-11-24 11:14發(fā)表的  :



這0.4MS掃描周期中包括共同處理，例如I/O刷新，通訊處理等這些時(shí)間你就算PLC中是空的程序，這些時(shí)間也不會(huì )少的，你試試200步肯定沒(méi)有0.8ms，另外現在PLC手冊中說(shuō)的指令執行速度一般指的是基本指令，新出的PLC基本都能達到0.1MS/千步，但是應用指令基本都打不到你這個(gè)要求

老兄和大老一樣都是我敬佩的人，一說(shuō)中要害。

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