Design of Remote Monitor System for Rural Domestic Sewage Treatment

S7-200 Series PLC supplied by SIEMENS as controller has been adopted in this system, which is based on 3D force-controlled configure software, using GPRS RTU transparent transmission function, to realize the remote monitor for the process, parameter and the operation status of the main equipment of rural domestic sewage treatment. The monitoring & indicating of sewage treatment process, the storage and the query of history memory of various monitoring data, control data and operation data, the generation of data statement and data curve, and the IE explorer remote access monitoring interface have been supported in this system.