【摘要】 给出了一种基于AT89S52单片机的KJ122型煤矿安全监控分站通讯网关的设计方案,构建了串行RS-232和CAN总线的数据通信桥梁,实现了PC机主服务器与CAN总线下位机节点之间的数据通信,介绍了本设计的工作原理、硬件电路和软件设计。更多还原

【Abstract】 The paper offers a kind of design scheme for the communication gateway of the KJ122 safety monitor sub-station in coal mine, establishes the data communication bridge between tandem RS-232 and CAN bus, realizes the data communication between the node of the main server of PC and the lower position processor of CAN bus, and introduces the working principle, the hardware circuit and software design.更多还原