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sbhd516
級別: 工控俠客
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樓主  發(fā)表于: 2022-01-17 10:22
到了一家新公司

如圖所示這條線(xiàn)，在PLC端的號碼管是  -50A3Y20，在中繼端的號碼管是 -72K1A2。



請問(wèn)熟悉歐標的大佬，這樣標線(xiàn)號是歐標規定的嗎？

為什么不能像國內一樣，一條線(xiàn) 兩端號碼管一致呢？
  
anke5410
級別: 探索解密
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1樓  發(fā)表于: 2022-01-19 00:12
我上家單位也是歐洲企業(yè)，電控柜內每條線(xiàn)都必須有標識，同一條線(xiàn)中間沒(méi)有經(jīng)過(guò)開(kāi)關(guān)之類(lèi)的，兩頭線(xiàn)標必須一致

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