Since PLC (Programmable Logic Controller) systems are widely used in the industry today, Haiwell's PLC system stands out for its ease of programming and using. It can connect to various sensors in the wastewater treatment system such as DO, PH/TDS, Chlorine, Turbidity, Flow and Level sensors easily and without complications. It communicates via Modbus RS485, 4-20 mA, 0-10V. It can choose to connect an additional Expansion card. In addition, if the system has a problem or exceeds the specified value, it can send a Line Notification alert. It can also remotely fix the system or program. Furthermore, the control and storage of Data logger values can retrieve various data to create a Report via the Haiwell Cloud system, saving time from having to record values and obtaining accurate values to create environmental reports. E-Power Service Co., Ltd. offers free service with no additional costs throughout the usage.