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lpxjx
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樓主  發(fā)表于: 2011-08-03 11:42
制水系統的PLC控制，S7-200PLC，帶三個(gè)EM235CN模塊，控制純化水和注射用水系統，前段時(shí)間發(fā)現壓力不準確，更換壓力變送器后，現場(chǎng)顯示0.4MPa，觸摸屏上顯示0.9MPa,變送器是好的，輸出信號也沒(méi)問(wèn)題。求高手指點(diǎn)如何處理。需要修改程序嗎？程序我有，就是看不懂。
h82763800
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1樓  發(fā)表于: 2011-08-03 13:19
程序里的量程可能沒(méi)設置對

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