摘要
介绍了电加热道岔融雪系统的研发背景,叙述了电加热道岔融雪系统的工作原理,控制模式。该系统基于西门子S7-400 PLC设计,具有安全、可靠、使用方便等特点。
The paper gave an introduction to the development background of Electrical-heating Snow-melting System for Switch,described the working principle and control mode of the system,which is based on Siemens S7-400 PLC and features safety,reliability,convenience in use.
出处
《铁道通信信号》
2010年第7期37-41,共5页
Railway Signalling & Communication