RS204
RS204
1. 控制要求
按起動按鈕后,傳送帶A運行直到光電開關(guān)PS檢測到物體,才停止,同時機械手下降。下降到位后機械手夾緊物體,2s后開始上升,而機械手保持夾緊。上升到位左轉(zhuǎn),左轉(zhuǎn)到位下降,下降到位機械手松開,2s后機械手上升。上升到位后,傳送帶B開始運行,同時機械手右轉(zhuǎn),右轉(zhuǎn)到位,傳送帶B停止,此時傳送帶A運行直到光電開關(guān)PS再次檢測到物體,才停止……循環(huán) 。
機械手的上升、下降和左轉(zhuǎn)、右轉(zhuǎn)的執(zhí)行,分別由雙線圈二位電磁閥控制汽缸的運動控制。當下降電磁閥通電,機械手下降,若下降電磁閥斷電,機械手停止下降,保持現(xiàn)有的動作狀態(tài)。當上升電磁閥通電時,機械手上升。同樣左轉(zhuǎn)/右轉(zhuǎn)也是由對應(yīng)的電磁閥控制。夾緊/放松則是由單線圈的二位電磁閥控制汽缸的運動來實現(xiàn),線圈通電時執(zhí)行夾緊動作,斷電時執(zhí)行放松動作。并且要求只有當機械手處于上限位時才能進行左/右移動,因此在左右轉(zhuǎn)動時用上限條件作為聯(lián)鎖保護www.plcs。。cn。由于上下運動,左右轉(zhuǎn)動采用雙線圈兩位電磁閥控制,兩個線圈不能同時通電,因此在上/下、左/右運動的電路中須設(shè)置互鎖環(huán)節(jié)。
為了保證機械手動作準確,機械手上安裝了限位開關(guān)SQ1、SQ2、SQ3、SQ4,分別對機械手進行下降、上升、左轉(zhuǎn)、右轉(zhuǎn)等動作的限位,并給出動作到位的信號。光電開關(guān)PS負責檢測傳送帶A上的工件是否到位,到位后機械手開始動作。
2. I/O分配
輸入 輸出
起動按鈕: 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
光電開關(guān) PS: I0.6 傳送帶B:Q0.7
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【 黃工】
【品質(zhì)超群廈門莫格電氣自動化, 咨詢 】
【工控專家廈門莫格電氣自動化, 手機 】
【工控專家廈門莫格電氣自動化,咨詢 】
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