Development Of Water Level Of Wastewater Treatment Plant Monitoring System By Using PLC With HMI Features

Tan, Mei Lyne (2017) Development Of Water Level Of Wastewater Treatment Plant Monitoring System By Using PLC With HMI Features. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Nowadays, water pollution is one of the serious problems in Malaysia. The water pollution problems increase rapidly especially in the industry areas due to some of the factories do not filter the wastewater before discharge them to the river/sea. The aim of wastewater treatment plant is to remove the suspended solids before the effluent is discharged back to environment. So in this project, the water level of wastewater treatment plant monitoring system using Programmable Logic Controller (PLC) with Human Machine Interface (HMI) features is developed. The main objective in this project is to design a Programmable Logic Controller (PLC) based water level monitoring system. Moreover, the objectives in this project are also include to study about system that able to monitor the water level of wastewater at process plant and to implement Human Machine Interface (HMI) features on the water level monitoring system. The equipment/components that used in this project are PLC, capacitive sensors, ultrasonic level sensor, OMRON touch screen HMI, DC solenoid water pipe valve, water pump, pilot lamps, seven segment displays and buzzer. For the software, CX-Programmer and NB-Designer were used in this project. After that, the data were recorded in tables or charts and analysed. In conclusion, a PLC based water level monitoring system that able to monitor the water level of wastewater with HMI features was developed.

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