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scw威偉
互幫互助，共建美好社會(huì )。給他人方便就等于方便了自己。
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樓主  發(fā)表于: 2014-03-04 22:09
我想運用模擬量來(lái)控制變頻器的頻率，硬件有plc，觸摸屏，變頻器，和模擬量模塊4AD，是不是我輸出一個(gè)4-20MA的電流出來(lái)給變頻器就可以控制變頻器的頻率了嗎？
困難像彈簧，你強它就弱，你弱它就強！
卓越9586
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1樓  發(fā)表于: 2014-03-07 21:54
學(xué)習一下，應該可以直接通訊，我們機器就有在屏上設數值，改變速度的。

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