Network Automation System In Multi-screen Cinema

Many multi-function network control system was widely used in developed foreign countries as early as 70s. But in China's cinemas also projectionist start and control various control systems. With the rapid development of film industry, high-grade multi-screen cinemas required a high degree of automation of the network control system. This control system has two technical meanings, one is the traditional sense of automation, and the other is the new technologies and functions that use of fieldbus technology as the principal communication means. To make a modern theater, we must use the most advanced science and technology.The design use fieldbus to communication and use the microprocessor to control, in which the automatic system make the projectors (including start motor, exchange, switch lenses, shutdown, etc.), the house lighting, the screen system, the sound system, etc. together, all these is programmed to running automatically. This automation system can ensure that all theater projection systems acting in unison, precisely to complete the entire processes, can reduce the human costs and human errors. There is computer located in center control booth and with the host software—cinema network automation system Manager . It can Monitor and show the status of the booths.This paper mainly introduces the main part of theater network control system: FK180 cinema network controller, CAN bus adapter and dimmers design ideas, give a detailed diagram of the hardware structure and software flow chart, and the procedures of using Visual Basic6.0 to develop the cinema network automation system Manager and finally introduce the debugging and operating of the network control system .At present, the system hardware and software have been completed and has passed testing, the system is running stable.