提高DF11机车485接口的可靠性

Improve Reliability of DF11 locomotive 485 Interface

分析了DF11型机车微机柜485接口的EMC问题及其存在的故障隐患,指出该接口在实际运用中存在的问题;并介绍电磁干扰产生的机理、传播途径及抑制措施。

This paper analysed the EMC problem and the exist danger of 485 interface in DF11 type locomotive ,point out the exist problem in the application of the interface ,introduce the principle, transmission path and restrain method of EMI.