CAJ | 학술논문

本课题是基于西门子PLC的污水处理厂监控系统的设计。根据污水处理厂的特点，本控制系统采用目前国内外普遍应用的基于PLC的二级分布式集散控制系统。控制系统由设在综合房的中央控制室控制站和分布在现场3个PLC控制站组成，现场控制站由3套西门子 PLC组成，通过 PROFIBUS总线相互通信。本次设计主要完成对现场流程进行控制以及实现对整个系统的远程监控，通过现场PLC对各种电气设备的进行控制，通过变频器对提升泵的变频控制，利用wincc组态网实现对整个污水处理流程的监控。
본과제시기우서문자PLC적오수처리엄감공계통적설계。근거오수처리엄적특점，본공제계통채용목전국내외보편응용적기우PLC적이급분포식집산공제계통。공제계통유설재종합방적중앙공제실공제참화분포재현장3개PLC공제참조성，현장공제참유3투서문자 PLC조성，통과 PROFIBUS총선상호통신。본차설계주요완성대현장류정진행공제이급실현대정개계통적원정감공，통과현장PLC대각충전기설비적진행공제，통과변빈기대제승빙적변빈공제，이용wincc조태망실현대정개오수처리류정적감공。
This topic is based on Siemens PLC's sewage treatment plant monitoring system design.According to the characteristics of sewage treatment plant,the control system uses the current domestic and universal application of two dis-tributed based on PLC distributed control system.Control system consists of integrated housing in the central control room control station and distributed at the site 3 PLC control station,site controller composed by three sets of Siemens PLC,com-municate with each other via PROFIBUS.The design process was completed for the on-site control and the realization of the entire system for remote monitoring through a variety of on-site PLC electrical equipment to be controlled through the drive to enhance the pump frequency control,use wincc configuration of the entire sewage network process flow monitoring.