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boyxpf
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樓主  發(fā)表于: 2011-08-31 17:52
做一個(gè)工程，上位機為Intouch，PLC是S7-200,用modbus通信，30001讀AIW0,讀出來(lái)的數是6400-32000之間，我寫(xiě)腳本怎么不能轉化成0-100量程的實(shí)際值，
請問(wèn)，寫(xiě)的腳本怎么不能改變從PLC讀的AIW0，還有用modbus怎么讀實(shí)數，比如VD100，
請大家指教，謝謝
boyxpf
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1樓  發(fā)表于: 2011-08-31 17:53
Intouch怎么寫(xiě)腳本才能把AIW0改成0-100的實(shí)際值，謝謝
boyxpf
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2樓  發(fā)表于: 2011-08-31 17:59
寫(xiě)了個(gè)應用程序腳本，定義ZZ為內存實(shí)數，ZZ=(100-0)*(AIW0-6400)/(32000-6400);運行ZZ只為0

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