摘要
本文介绍了RS-485总线接口,并针对电力数据采集系统,选用合适的485接口芯片SP485R。然后,从硬件电路结构和软件实现两个方面,讨论了保证RS-485总线接口电路可靠运行时应注意的问题。
This paper introduces the application of RS-485 bus interface SP485R,a relevant chip of RS 485 interface,is selected for the Electric Power Data Acquisition System.And then, discusses some important problems about reliability of interface circuit in hardware and software.
出处
《电力电子》
2006年第6期25-27,共3页
Power Electronics
