MPC270
MPC270
1. 控制要求
按起動(dòng)按鈕后,傳送帶A運(yùn)行直到光電開(kāi)關(guān)PS檢測(cè)到物體,才停止,同時(shí)機(jī)械手下降。下降到位后機(jī)械手夾緊物體,2s后開(kāi)始上升,而機(jī)械手保持夾緊。上升到位左轉(zhuǎn),左轉(zhuǎn)到位下降,下降到位機(jī)械手松開(kāi),2s后機(jī)械手上升。上升到位后,傳送帶B開(kāi)始運(yùn)行,同時(shí)機(jī)械手右轉(zhuǎn),右轉(zhuǎn)到位,傳送帶B停止,此時(shí)傳送帶A運(yùn)行直到光電開(kāi)關(guān)PS再次檢測(cè)到物體,才停止……循環(huán) 。
機(jī)械手的上升、下降和左轉(zhuǎn)、右轉(zhuǎn)的執(zhí)行,分別由雙線(xiàn)圈二位電磁閥控制汽缸的運(yùn)動(dòng)控制。當(dāng)下降電磁閥通電,機(jī)械手下降,若下降電磁閥斷電,機(jī)械手停止下降,保持現(xiàn)有的動(dòng)作狀態(tài)。當(dāng)上升電磁閥通電時(shí),機(jī)械手上升。同樣左轉(zhuǎn)/右轉(zhuǎn)也是由對(duì)應(yīng)的電磁閥控制。夾緊/放松則是由單線(xiàn)圈的二位電磁閥控制汽缸的運(yùn)動(dòng)來(lái)實(shí)現(xiàn),線(xiàn)圈通電時(shí)執(zhí)行夾緊動(dòng)作,斷電時(shí)執(zhí)行放松動(dòng)作。并且要求只有當(dāng)機(jī)械手處于上限位時(shí)才能進(jìn)行左/右移動(dòng),因此在左右轉(zhuǎn)動(dòng)時(shí)用上限條件作為聯(lián)鎖保護(hù)www.plcs。。cn。由于上下運(yùn)動(dòng),左右轉(zhuǎn)動(dòng)采用雙線(xiàn)圈兩位電磁閥控制,兩個(gè)線(xiàn)圈不能同時(shí)通電,因此在上/下、左/右運(yùn)動(dòng)的電路中須設(shè)置互鎖環(huán)節(jié)。
為了保證機(jī)械手動(dòng)作準(zhǔn)確,機(jī)械手上安裝了限位開(kāi)關(guān)SQ1、SQ2、SQ3、SQ4,分別對(duì)機(jī)械手進(jìn)行下降、上升、左轉(zhuǎn)、右轉(zhuǎn)等動(dòng)作的限位,并給出動(dòng)作到位的信號(hào)。光電開(kāi)關(guān)PS負(fù)責(zé)檢測(cè)傳送帶A上的工件是否到位,到位后機(jī)械手開(kāi)始動(dòng)作。
2. I/O分配
輸入 輸出
起動(dòng)按鈕: I0.0 上升YV1:Q0.1
停止按鈕: I0.5 下降YV2:Q0.2
上升限位SQ1:I0.1 左轉(zhuǎn)YV3:Q0.3
下降限位SQ2:I0.2 右轉(zhuǎn)YV4:Q0.4
左轉(zhuǎn)限位SQ3:I0.3 夾緊YV5:Q0.5
右轉(zhuǎn)限位SQ4:I0.4 傳送帶A:Q0.6
光電開(kāi)關(guān) PS: I0.6 傳送帶B:Q0.7
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【 黃工】
【品質(zhì)超群廈門(mén)莫格電氣自動(dòng)化, 咨詢(xún) 】
【工控專(zhuān)家廈門(mén)莫格電氣自動(dòng)化, 手機(jī) 】
【工控專(zhuān)家廈門(mén)莫格電氣自動(dòng)化,咨詢(xún) 】
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