PLC-based Micro Water Quality Automatic Monitoring System
A miniature integrated water quality automatic monitoring system based on PLC logic control is designed.The sampling pret-reatment system,power management system and lightning protection system are designed to solve the prob-lems such as incomplete filtration and cleaning,unstable power supply,overload of electrical equipment and unstable ambient temperature of monitoring equipment.Further,the Siemens PLC is used as the controller,combined with the MCGS configura-tion touch screen as the upper computer.The developed visual man-machine interface realized the functions of real-time monitoring,abnormal alarm and data collection.The whole system is highly integrated,and covered only a small area.
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