基于SJA1000的CAN_RS232/485接口卡的设计  

Design on CAN_RS232/485 interface card base on SJA1000

作　　者：吕巧艳[1] 高守乐[1] 裴立瑞[1] 徐卫东[1] 韩朝军[1] 

机构地区：[1]中国矿业大学信电学院,江苏徐州221008

出　　处：《煤炭工程》2005年第9期12-14,共3页Coal Engineering

摘　　要：论文针对煤矿监测监控系统中CAN总线与RS-485总线及PC串口如何互联的问题,提出了CANRS232/485接口卡的设计方案,介绍了基于SJA1000的CANRS232/485接口卡的功能,并详细描述了硬件模块设计、软件模块设计,最后说明了该卡的测试结果及应用背景。The paper provided the communication and connection issues between CAN bus line, RS- 485 bus line and PC interface in coal mine monitoring and control system. The paper also provided the CAN_RS232/485 interface card for the issues. The paper introduced the design of the hard ware mode and the design of software mode. In the end, the paper introduced the measured results and application outlook of the card.

关 键 词：现场总线 接口 CAN控制器 SJA1000 CAN RS232 RS485 

分 类 号：TD655[矿业工程—矿山机电]