Efficient monitoring of stormwater treatment plants is essential when facilities operate with minimal on-site personnel.
In such cases, implementing a full automation system with numerous actuators — conveyors, pumps, and mechanical devices for sediment handling — would be economically inefficient, since most of these mechanisms operate only once or twice a year.
A more practical solution is a dedicated monitoring system that continuously supervises equipment status and process conditions. It provides operators with real-time messages indicating required maintenance actions such as UV lamp replacement, sludge pump relocation, or reagent refilling, and can automatically alert service personnel in case of abnormal operation.
A monitoring system was designed based on the Mitsubishi Electric MELSEC FX3U controller and a GOT1155 operator panel. The system continuously collects process data, displays operating status, and provides on-screen alarms for maintenance and emergency conditions.
The developed system became a standardized solution for stormwater treatment facilities.
Its architecture is especially effective in networks of multiple treatment sites connected to a central control room.
In such configurations, all local HMI panels are mirrored at the dispatch center,
enabling qualified specialists to remotely monitor several facilities while only minimal on-site personnel are required.
The system design is now applied to other treatment plants with similar operational requirements, enabling unified monitoring standards and simplified integration into centralized supervisory systems.
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