【正文】
附錄1 詳細(xì)程序代碼LD OR ANDNOT OUT LD MOV 00 HR0LD OR ANDNOT AND ANDNOT OUT LD OR ANDNOT AND OUT LD ANDNOT ADD HR0 01 HR0LD OR ANDNOT AND ANDNOT OUT LD OR ANDNOT AND OUT LD ANDNOT SUB HR0 01 HR0LD OUT TR0CMP HR0 HR1LD P_GTOR P_LTANDLDOUT MOV HR0 HR1LD TR0MOV HR0 HR19LD OR OR ANDNOT TIM000AND OUT LD TIM 000 30LD OUT TR0CMP HR0 00AND P_EQOUT LD TR0AND P_GTCMP HR0 50AND P_EQOUT LD AND OR LD OR ANDLDOUT LD OUT LD OUT LD OUT LD OUT LD OUT LD OUT LD OUT LD OUT 。 根據(jù)梯形圖完成了程序的編寫。 當(dāng)車庫車輛滿50輛時(shí),車庫有報(bào)警顯示。只經(jīng)過一個(gè)傳感器則計(jì)數(shù)器不動(dòng)作。【