TRICONEX 9566-810
TRICONEX 9566-810
(2)程序設(shè)計(jì)思路??以眾所周知的電動(dòng)機(jī)正反轉(zhuǎn)控制的梯形圖為基礎(chǔ),設(shè)計(jì)出的小車控制梯形圖如圖6-17b所示。為使小車自動(dòng)停止,將X3和X4的常閉觸點(diǎn)分別與Y0和Y1的線圈串聯(lián)。為使小車自動(dòng)起動(dòng),將控制裝、卸料延時(shí)的定時(shí)器T0和T1的常開觸點(diǎn),分別與手動(dòng)起動(dòng)右行和左行的X0、X1的常開觸點(diǎn)并聯(lián),并用兩個(gè)限位開關(guān)對應(yīng)的X4和X3的常開觸點(diǎn)分別接通裝料、卸料電磁閥和相應(yīng)的定時(shí)器。
(3)程序分析??設(shè)小車在起動(dòng)時(shí)是空車,按下左行起動(dòng)按鈕X1,Y1得電,小車開始左行,碰到左限位開關(guān)時(shí),X4的常閉觸點(diǎn)斷開,使Y1失電,小車停止左行。X4的常開觸點(diǎn)接通,使Y2和T0的線圈得電,開始裝料和延時(shí)。20s后T0的常開觸點(diǎn)閉合,使Y0得電,小車右行。小車離開左限位開關(guān)后,X4變?yōu)?ldquo;0”狀態(tài),Y2和T0的線圈失電,停止裝料,T0被復(fù)位。對右行和卸料過程的分析與上面的基本相同。如果小車正在運(yùn)行時(shí)按停止按鈕X2,小車將停止運(yùn)動(dòng),系統(tǒng)停止工作。
備貨,備貨,降降降,火火火,火火火……
備貨,備貨,降降降,火火火,火火火……
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公司名稱:廈門泰尼電氣有限公司
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