20 0 1年 4月 9日 ,由四方车辆研究所和武昌车辆段共同研制的 DC6 0 0 V监控系统在武昌通过了郑州局局级鉴定。鉴定委员会认真听取了研制单位的研制报告、效益分析报告、检验报告、运用报告及查新报告 ,组织了现场测试。认为该系统采用主从式L onworks网络结构 ,能实现列车空调 On April 9, 2001, the DC6 0 0 V monitoring system, jointly developed by Sifang Vehicle Research Institute and Wuchang Depot, passed the bureau level appraisal in Wuchang. The appraisal committee listened carefully to the research and development report, the benefit analysis report, the inspection report, the application report and the new report of the research and development unit and organized the on-site testing. That the system uses master-slave L onworks network structure, to achieve train air conditioning