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liang333444
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樓主  發(fā)表于: 2024-07-16 12:34
用西門(mén)子smart200plc和AE04模塊做溫度采集，硬件是k型熱電偶經(jīng)過(guò)一個(gè)熱電偶轉4-20ma的小模塊接到AE04模塊（串24v電接法），溫度800度以下采集正常，溫度超過(guò)800度時(shí)溫度跳的厲害，一會(huì )50度一會(huì )800度，有經(jīng)驗的大師們這個(gè)是什么問(wèn)題呢？
zyp59477084
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1樓  發(fā)表于: 2024-07-16 14:46
你的K型熱電偶應該沒(méi)什么問(wèn)題，估計是變送器選擇溫度范圍或轉換有故障或者干擾造成的
樓主留言：
我測試了 把這個(gè)4-20ma信號接到一個(gè)數顯表上顯示正常
[ 此帖被zyp59477084在2024-07-16 15:40重新編輯 ]

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