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bxz1983
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樓主  發(fā)表于: 2014-07-14 12:33
求助   s7-200  與第三方稱(chēng)重儀表的modbus通訊總是滯后   影響數據的采集以及后續的模擬量控制    求高人指點(diǎn)
工控達人
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1樓  發(fā)表于: 2014-09-23 16:13
是儀表問(wèn)題吧
zhonglongf
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2樓  發(fā)表于: 2014-09-26 16:37
流量計一般都會(huì )有滯后的，

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