基于现场总线技术的煤矿安全监控数据采集系统

Design of the Data Acquisition System for Coal Mine Safety Monitoring Based on Field Bus Technique

介绍了一种用 CAN 总线代替 RS-485总线在煤矿中进行数据传输的新型方法。本系统采用 SIA1000和 P82C250设计了井下智能分站,用 CY7C09449PV 设计了 CAN 通信适配器。该系统与传统系统相比具有通信可靠、抗干扰性能好,传输距离远等特点。

A new method that uses CAN bus instead of RS-485 bus to transmit data in the mine is introduced. In this system, the underground intelligent substation is designed by use of SJA1000 and P82C250, and the CAN communication adapter is designed by use of CY7C09449PV. In comparison with the traditional system, this system features communication reliability, good resistance to disturbance and long transmitting distance.