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wangfuwang
下崗農民
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樓主  發(fā)表于: 2018-12-03 17:36
圖片：
圖1是我自學(xué)畫(huà)法，沒(méi)經(jīng)過(guò)專(zhuān)業(yè)學(xué)習也不知對不對。 圖2畫(huà)法是我看到中鐵局出的圖， 常開(kāi)符號斜口向下面，啟停按扭也在下面，包括中鐵教科書(shū)也是這樣的。圖3 是在網(wǎng)上看到的動(dòng)觸接點(diǎn)調過(guò)來(lái)。請問(wèn)各位大師控制電路設計有什么標準規范， 如開(kāi)關(guān)符號的連接，靜動(dòng)觸點(diǎn)那邊放在前面，或者常開(kāi)常閉開(kāi)關(guān)向下還是向上。謝謝各位大師了
honggun
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1樓  發(fā)表于: 2018-12-03 18:34
第三個(gè)好些

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