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liang333444
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樓主  發(fā)表于: 2024-07-16 12:30
最有有個(gè)設備,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600度以下采集正常,溫度超過(guò)600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?請教,請教。。。
xiehuaiyuan
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1樓  發(fā)表于: 2024-07-16 14:31
建議到西門(mén)子論壇頁(yè)面咨詢(xún)
hstec2002
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2樓  發(fā)表于: 2024-07-16 16:51
1先用信號發(fā)生器接AE04模塊看是PLC問(wèn)題還是熱電偶問(wèn)題;
2如用信號發(fā)生器正常,那就是熱電偶問(wèn)題或線(xiàn)路問(wèn)題。
3實(shí)在不行就找規律,在程序上做假(如超過(guò)600后就屏幕小于50的)。
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