plc編程實(shí)例

【專家解說】：TITLE=程序注釋 Network 1 // 網(wǎng)絡(luò)標(biāo)題 // 網(wǎng)絡(luò)注釋 LD SM0.1 MOVW +0, VW0 Network 2 LD I0.0 EU INCW VW0 Network 3 LDW>= VW0, +2 AN Q0.2 = M0.0 Network 4 LDW>= VW0, +3 AN Q0.3 = M0.1 Network 5 LD I0.2 EU A M0.0 O Q0.2 AN Q0.3 AN T37 TON T37, +80 = Q0.2 Network 6 LD Q0.2 ED -I +2, VW0 Network 7 LD M0.0 LD SM0.5 A Q0.2 OLD = Q0.0 Network 8 LD I0.3 EU A M0.1 O Q0.3 AN Q0.2 AN T38 TON T38, +80 = Q0.3 Network 9 LD Q0.3 ED -I +3, VW0 Network 10 LD M0.1 LD SM0.5 A Q0.3 OLD = Q0.1 Network 11 LD Q0.2 ED LD Q0.3 ED OLD O Q0.4 AW> VW0, +0 = Q0.4 Network 12 LD I0.4 O Q0.5 AW> VW0, +0 = Q0.5 Network 13 // LD SM0.5 EU A Q0.5 DECW VW0 我編了個(gè)你看看i0.0 1元硬幣i0.2 買汽水i0.3 買咖啡i0.4 退幣q0.0 汽水燈q0.1咖啡燈q0.2倒汽水q0.3倒咖啡q0.4退幣指示燈q0.5退幣