Intelligent Control System of FrequencyConversion  Traction Locomotives Based on PLC System

doi:10.3973/j.issn.1672-741X.2012.01.024

Tunnel Construction ›› 2012, Vol. 32 ›› Issue (1): 131-133.DOI: 10.3973/j.issn.1672-741X.2012.01.024

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Intelligent Control System of FrequencyConversion  Traction Locomotives Based on PLC System

SUN Zhihong¹, WANG Qian¹, ZHANG Lixiu²

(1. China Railway Tunneling Equipment Co., Ltd., Zhengzhou 450003, China; 2. Wuhan College of Industrial Technology, Wuhan 430064, China)

Received:2011-10-10 Revised:2011-11-15 Online:2012-02-20 Published:2012-03-09

Abstract

Abstract: The intelligent control system of the frequencyconversion traction locomotives is based on PLC and touch screen. The intelligent monitoring and control of the locomotives by PLC is realized by means of the converter terminal control combined with Modbus serial communication control, so as to facilitate the debugging and maintaining of the system and to enhance the safety, reliability and function expansibility of the system. 

Key words: PLC, frequency conversion, control, traction locomotives, Modbus communication

SUN Zhihong, WANG Qian, ZHANG Lixiu. Intelligent Control System of FrequencyConversion  Traction Locomotives Based on PLC System[J]. Tunnel Construction, 2012, 32(1): 131-133.

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Intelligent Control System of FrequencyConversion  Traction Locomotives Based on PLC System

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