Booms Control System, Multi-channel Selector Design

As China's national strength continued to improve, people's living standards rising, people have followed the request of cultural and artistic growth, which makes the stage machinery and technological development in China has entered a new stage. In the stage machinery and equipment, the boom is a hanging device mounted above the stage, use it to enhance the King piece, hang curtains, hanging lamps and other stage equipment, because of its large number of heavy use and is an essential stage devices. The boom control There are many ways, based on the stage under the control of the embedded CPLD technology Multi-Seletor is not only low-cost, but reliability is very high.Abroad, the stage control system for superior performance, but expensive. This topic is for the current domestic arena.Technology industry's status quo with the aim of developing low-cost, low power, more responsive to the developmental needs of the modern stage, multi-channel selector. This system mainly consists of the main console, mobile units, input / output panels and Multi-Seletor boards four major sections. Master console information, order collection, and analysis, processing, implementation shows that the direct control of the operation of stage equipment; mobile station for supporting console operations; input / output control panel for receiving operator console commands hanging under actual operation of the boom in real time to send the current state; The MUX board 485-based serial communication channel to receive from the main console, boom signals, resulting in 64 to select a specific boom boom in the 10 channels can be run to run, while in soft , hardware, have carried out anti-interference design Strong electric equipment. This system is the core hardware ALTERA companies produce go MAX II series of chips EPM570T144C5, software platform uses CPLD design approach. Based on the requirements of function, the entire system design requirements were analyzed, and then introduced the entire program design ideas, in the design of the program, describing the Multi-Seletor design. Thesis is divided into five parts. First introduced the stage some of the basic concept of the technology industry; second stage describes the boom control system in various parts of the overall composition and functions; and then followed by detailed description of Multi-Seletor hardware composition; and then explain in detail Multi-Seletor software programming ideas and achieved; the final details of the hardware-based MCU C8051F020 evaluation board testing process and results.