Design of Sewage Automatic Control System Based on KingView 7.5
The system uses KingView 7.5 configuration software as the development platform,s7-300 PLC as the core of the system.Various sensor signals in the field equipment layer was acquired by distrib-uted I/O,and after filtering,amplifying,A/D conversion and other operations,the signals are transmitted to the upper computer through the Ethernet.Using the CPU314C-2PN/DP of Siemens S7-300 PLC series as the central control equipment,the automatic control of sewage treatment system and real-time monito-ring of detection parameters and running parameters was realized,and the system equipment running status and automatic fault alarm can be recorded.This control system uses industrial computer to remote control the sewage treatment system,which can monitor the sewage treatment process intuitively and dynamical-ly.It has the advantages of low cost,highly automatic,stability,reliability and easy maintenance.
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