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yyyy1587
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樓主  發(fā)表于: 2017-07-27 14:20
溫度傳感器有5個(gè)接線(xiàn)端，其中3個(gè)是給PT100用的，2個(gè)輸出信號(4-20ma），那信號線(xiàn)中要不要竄入外部24v電源？FX2N-8AD模塊中有24+ 、24-兩個(gè)接線(xiàn)端子，這是信號線(xiàn)的供電電源還是模塊自身需要的電源？
cjm1234
級別: 網(wǎng)絡(luò )英雄

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1樓  發(fā)表于: 2017-07-27 14:34
用外部電源24V
jeffwang2011
千里獨行客
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2樓  發(fā)表于: 2017-07-27 14:51


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