【摘要】 本文介绍一种以RS－485通讯接口技术联网的集散式控制系统，实现机动车检测站设备的自动控制和数据传输，与RS－232串行通讯技术相比较，论述了该系统的优越性和可靠性。更多还原

【Abstract】 This article introduces a collective and distributive control system which is connected by RS-485 COM Interface Technique,thus realizing the automatic control and data transmission as well as the constitution of its actural system,control procedure and software function of the equipment in a vehicle testing station. It discusses the superierity and reliability of the system by comparing it with RS- 232 COM Technique.更多还原