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長(cháng)大很煩
級別: 正式會(huì )員
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樓主  發(fā)表于: 2023-11-18 16:04
現場(chǎng)有44個(gè)傳感器，最遠距離300米，傳感器為4-20Ma信號，如果用4芯1.5&sup2;屏蔽線(xiàn)的話(huà)，能用嗎，傳回來(lái)信號干擾大不大
懂一點(diǎn)點(diǎn)
好好學(xué)習，GO  GO
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1樓  發(fā)表于: 2023-11-18 16:35
電壓距離長(cháng)會(huì )衰減，電流沒(méi)有衰減，而且線(xiàn)徑也比較粗，個(gè)人判定可以的

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