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dream321
青學(xué)不精
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樓主  發(fā)表于: 2017-05-24 21:10
全自動(dòng)液壓壓磚機比例流量插裝閥PLC怎么控制，就是可控硅導通角控制嗎？謝謝！
znz43
工控職業(yè)已成回憶 只因愛(ài)好�；丶覉@ 樂(lè )此不疲
級別: 工控俠客

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1樓  發(fā)表于: 2017-05-25 11:37
比例閥（流量、壓力）都需要有配套的驅動(dòng)板來(lái)控制。
驅動(dòng)板的控制輸入一般為模擬量（0－10V）
PLC要有DA模塊輸出（0－10V）接驅動(dòng)板。
出門(mén)打工難，打工學(xué)藝難，學(xué)藝拜師難，找到好師傅更難。
贈人玫瑰，手留余香。舍得舍得，有舍才有得。

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