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manianshi
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樓主  發(fā)表于: 2015-08-23 09:05
em231 是一般模塊 不是溫度專(zhuān)用 我想知道這三是怎么接起來(lái)的 231的端子為RA   A+   A-   溫度變送器的是 V+   V- S+ S-   pT100 是三線(xiàn)的  求前輩們指教 謝謝
plmokqaz
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1樓  發(fā)表于: 2015-12-15 19:41
我也想知道它們之間是怎樣接線(xiàn)的，求教，謝謝

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