從而控制一個(gè)液壓缸的前進(jìn)和縮回運(yùn)動(dòng)。該電磁閥制造商的data sheet顯示每個(gè)電磁鐵驅(qū)動(dòng)電流為1.0 Amp.液壓缸的前進(jìn)和縮回每60秒–次，往復(fù)運(yùn)動(dòng)。前進(jìn)需時(shí)6秒，縮回需時(shí)6秒。因?yàn)橐簤焊浊斑M(jìn)和縮回所用時(shí)間相等，兩個(gè)電磁鐵工作的時(shí)間相同，每次6秒，占60秒的百分之十。由于兩個(gè)電磁鐵有相等的驅(qū)動(dòng)電流和工作時(shí)間，因此，我們只需進(jìn)行一個(gè)電磁鐵的計(jì)算，就可以應(yīng)用于兩個(gè)輸出。

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