Rancang Bangun Sistem Kontrol Modul Pembelajaran Berbasis PLC Dan HMI IoT Haiwell
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Institusion
Politeknik Negeri Bengkalis
Author
Hakim, Muhammad Lukman
Subject
451 Teknik Elektro
Datestamp
2024-09-26 02:50:49
Abstract :
This research aims to overcome the lack of student interest in the field of programmable logic controller (PLC), which is caused by limited equipment and lack of tool development. This research designs a PLC-based learning module and Haiwell IoT human machine interface (HMI), which can control and monitor the system through an internet of things (IoT)-based smartphone application. This module involves the application of the IoT concept, the study of the Modbus RTU communication system with RS-485 on Haiwell's PLC and HMI, as well as the design of an HMI in accordance with field conditions. The designed module was tested through five practical simulations to evaluate its performance in various configurations. The test results show that the voltage at the start and stop buttons is 21.9 V when pressed and 0 V when not pressed, while the active pilot lamp produces an average voltage of 23.9 V and 0 V when off. The proximity sensor shows a voltage of 0 V when not detecting objects and 22.08 V when detecting objects. Simulation testing of three DC motors with three inputs (two push buttons and one proximity sensor) showed that the input voltage to the DC motors ranged from 0-24 VDC or 0-100 %, and the output voltage varied according to the input voltage. In addition, testing the AC motor with a direct on line (DOL) circuit showed a starting current close to the theoretical calculation with a small error, such as 0.4% in phase R. However, testing the nominal current of the AC motor showed variations in performance with more significant errors in some phases, such as 47% in motor 2.
This research aims to overcome the lack of student interest in the field of programmable logic controller (PLC), which is caused by limited equipment and lack of tool development. This research designs a PLC-based learning module and Haiwell IoT human machine interface (HMI), which can control and monitor the system through an internet of things (IoT)-based smartphone application. This module involves the application of the IoT concept, the study of the Modbus RTU communication system with RS-485 on Haiwell's PLC and HMI, as well as the design of an HMI in accordance with field conditions. The designed module was tested through five practical simulations to evaluate its performance in various configurations. The test results show that the voltage at the start and stop buttons is 21.9 V when pressed and 0 V when not pressed, while the active pilot lamp produces an average voltage of 23.9 V and 0 V when off. The proximity sensor shows a voltage of 0 V when not detecting objects and 22.08 V when detecting objects. Simulation testing of three DC motors with three inputs (two push buttons and one proximity sensor) showed that the input voltage to the DC motors ranged from 0-24 VDC or 0-100 %, and the output voltage varied according to the input voltage. In addition, testing the AC motor with a direct on line (DOL) circuit showed a starting current close to the theoretical calculation with a small error, such as 0.4% in phase R. However, testing the nominal current of the AC motor showed variations in performance with more significant errors in some phases, such as 47% in motor 2.
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