3. Timer Design Examples 3.11 Automatic Coffee Maker Control Purpose: z Making the paper cup come out of the outlet when a coin is inserted. At the same time, the coffee pours in the mixing container. After 2 sec, the hot water pours in. 60 sec later, the ready-made coffee will be pouring out from the coffee outlet. Devices: Control Program: X0 Y0 Y1 T0 DVP-PLC Application Examples 3-17 oin per C咖of啡fee Ho热 W水 t ater Y1 Y2 X0 Mix Xi 1ng Conta Xi 2ner Y3 Detector X1 Y4 Y0 Cup Outlet Device Function X0 Coin detector. X0 = ON when a coin is inserted. X1 Pressure detector. X1 = ON when the liquid in the container reaches a certain amount of pressure. T0 2 sec timer. Time base:
100ms T1 60 sec timer. Time base: 100ms Y0 Paper cup outlet Y1 Coffee outlet Y2 Hot water outlet Y3 Agitator Y4 Ready-made coffee outlet SET Y0 SET Y1 MR T0 K20