PROTOTYPE OF A PLC-BASED FLOOD DETECTION AND MONITORING SYSTEM WITH HMI SCADA CLOUD

Abstract

Flooding is a problem that often occurs in Pontianak City, including at the Pontianak State Polytechnic Campus, especially the Laboratory Building of the Department of Electrical Engineering. To solve this problem, a model was created in the form of a prototype Flood Detection and Monitoring System based on PLC Outseal Mega V.2 and HMI Haiwell C7S-W connected to SCADA Cloud for real-time monitoring. The system uses a 10K Ohm potentiometer as a level sensor used to measure water level through a buoy mechanism with water level data every 1 cm converted into parameter data such as output voltage, ADC value, resistance, degree of rotation potentium processed and visualized on HMI and mobile phones. Based on the tests, the system is able to detect three levels of water level: level 1 Normal (10–50 mm) produces a voltage of 266 mV - 1,283 mV, level 2 Standby (>50–100 mm) produces a voltage of 1,510 mV - 2,544 mV, the system activates Pump 1 automatically and level 3 Hazardous (>100 mm) produces a voltage of 2,761 mV - 3,594 mV, the system activates pump 2 at the same time as pump 1 as well as the buzzer and warning indicator light. Both pumps work to drain the water until the water level drops below Level 1 (<10 mm) then the system is in a state of stanby. The results show that the system is responsive and effective in providing early warning and small-scale flood mitigation. Therefore, this research has the potential to be applied as an actual flood mitigation solution in the campus environment and become a learning module in the Industrial Automation course.