Abstract
The main design on the use of process control system design for a fully automatic washing machine controller. The design is mainly used in Japan OMRON company's 30 points CPM2A series PLC. The fully automatic washing machines can be independently completed a process of laundry, water, laundry, drainage and dehydration time and the number of laundry are used in the PLC controller timers and counters to achieve. Controlled by the PLC control system fully automatic washing machine also has the normal laundry and stop the mandatory conversion of the functions of each other, when forced to stop, washing machines can also be used to manually switch the drainage and drainage manual switch dehydration and dehydration. Normal after the completion of laundry, washing machines alarm 3 s, then automatically stop.
Key words: PLC; normal laundry; mandatory stop; alarm