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介绍烟气在线监测系统的工作原理,以及基于S7-200PLC的烟气在线监测系统(CEMS)的控制功能及上位机监控软件的功能并说明CEMS日常维护的要点。
This paper introduces the working principle of flue gas on-line monitoring system, as well as the control functions of the on-line monitoring system (CEMS) based on S7-200PLC and the functions of the host computer monitoring software and the main points of CEMS routine maintenance.