【正文】
O分配表:輸入輸出元件端子號作用元件端子號作用SB300002三樓呼叫按鈕KM101000電梯下降SB200003二樓呼叫按鈕KM201001電梯上升SB100004一樓呼叫按鈕HL301004三樓指示燈SB400008一樓向上按鈕HL201005二樓指示燈SB500009二樓向下按鈕HL101006一樓指示燈SB600010二樓向上按鈕SB700011三樓向下按鈕SQ300005三樓限位開關(guān)SQ200006二樓限位開關(guān)SQ100007一樓限位開關(guān)二 外部接線圖三 梯形圖 四 指令語句OR ANDNOT OUT LD IL(02)LD OR ANDNOT OUT LD OR ANDNOT OUT LD OR ANDNOT OUT LD OR ANDNOT ANDNOT OUT LD AND LD ANDNOT TIM000ORLDOUT TIM 000 0100LD DIFU(13) LD DIFU(13) LD DIFU(13) LD OR ANDNOT OUT LD OR ANDNOT OUT LD O