針對多電機監控系統信息量大、布線復雜、調試不方便等特點，本文介紹了一種基于
現場總線技術和虛擬儀器技術的監控系統的設計方案，使用Modbus 協議與CAN 總線協議，通過串口總線與CAN 總線的轉換，將現場總線技術和虛擬儀器有機結合起來，實現了結構簡單、實時性高、擴展性強的多電機蓄電池車輛控制系統。實際使用情況表明本系統，達到了設計要求。
關鍵詞：CAN 總線；虛擬儀器；Modbus 協議；串口

A Monitor and Control System base on Field Bus and Virtual Instrument Author: Zhu Haizhi, Yang Jianwu, Sun Shuwen Department: Mechatronics Control Laboratory, College of Mechanical Engineering & Applied Electronics Technology, Beijing University of Technology Abstract: To resolve problems of traditional multi-motor monitor/control system, such as excessive information exchange, complex wiring, and inconvenient installation and debugging, this paper provide a design based on field bus and virtual instrument technology. With the help of Modbus protocol, CAN (Control Area Networks) bus, and serial port, combines field bus technology and virtual instrument technology, realizes the convenience, real time, expandability, multi-motor car control system. It goes well in practice and has met the requirements.
Keywords: CAN; Virtual Instrument; Modbus; Serial Port