abstract
This article introduced that one kind the daily schedule control system which controls with PLC, elaborated in detail the system composition, the system hardware wiring and the system software design, and introduced the system principle of work in detail. This system has the peripheral device electric circuit disposition to be simple, the expansion is convenient, the operation is easy, the reliability is high, usability strong and so on characteristics, collection electric bell, street light, dormitory lamp, classroom lamp, music broadcast automatic control in a body, and has weekend and the vacation control function, has realized the daily schedule nobody control automation, the scientific management and the operation.