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介绍了一种低成本现场总线通用监控系统，并阐述了该系统中采集总线的性能特点 和基本原理，该系统在监控点数多、空间分布广的应用场合，具有极高的性能价格比。
This paper introduces a low cost fieldbus universal monitoring system and expounds the performance characteristics and basic principle of the acquisition bus in the system. The system has high performance price ratio in applications with many monitoring points and wide spatial distribution.