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All Journal Djtechno: Jurnal Teknologi Informasi Journal of Social Research
Antonius P.G Manginsela
Politeknik Negeri Manado
Humanities Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Social Sciences

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Design and Construction of SCADA System for Monitoring Voltage and Current in Automatic Transfer Switch (ATS) at the Automation Laboratory, Electrical Engineering Department, Politeknik Negeri Manado Ariel Arya Putra; Michael Brillian Maramis; Iztiar Alamsyah Paputungan; Steven Johny Runtuwene; Antonius P.G Manginsela
Journal of Social Research Vol. 5 No. 7 (2026): Journal of Social Research
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/josr.v5i7.3216

Abstract

Reliable power supply is essential in educational and research laboratories, particularly for sensitive electronic equipment and automated systems. Unplanned power interruptions can result in data loss, equipment damage, and disruption of ongoing experiments. This study aims to design and implement a SCADA-integrated Automatic Transfer Switch (ATS) system to monitor voltage and current in a laboratory environment, enhancing power reliability and providing an interactive learning tool for students. The research employed a three-layer system architecture consisting of field devices, a Siemens S7-1200 PLC control layer, and a SCADA supervisory layer using Modbus TCP/IP communication. The system was tested over 50 simulated fault-and-recovery cycles with a resistive load of 3 kW. Performance metrics included transfer and retransfer times, measurement accuracy, and SCADA communication latency. Results indicated that the average transfer time was 2.31 seconds, well below the IEC Class II standard of 10 seconds, with 100% success in transfer operations. Voltage and current measurements achieved mean absolute errors of 1.4 V and 0.15 A, respectively. SCADA polling latency averaged 3.2 ms, demonstrating rapid data acquisition. The system also enhanced educational outcomes by allowing students to observe real-time power system behavior. In conclusion, the SCADA-ATS system effectively improved laboratory power reliability and provided pedagogical benefits. Future research may integrate UPS systems, reduce polling intervals, and explore hybrid energy sources for enhanced laboratory power management.
RANCANG BANGUN SISTEM INFORMASI MANAJEMEN DAUR ULANG SAMPAH PLASTIK BERBASIS WEB DENGAN PENERAPAN ROLE-BASED ACCESS CONTROL PADA BANK SAMPAH BUHA Ando Dian Bawental; Antonius P.G Manginsela; Yonatan Parassa; Oldi Malfri Lambonan; Marike A.S Kondoj
Djtechno: Jurnal Teknologi Informasi Vol 7, No 2 (2026): Agustus
Publisher : Universitas Dharmawangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46576/djtechno.v7i2.9157

Abstract

Transformasi digital dalam pengelolaan sampah menjadi kebutuhan penting untuk meningkatkan efektivitas operasional bank sampah sebagai bagian dari upaya mendukung ekonomi sirkular. Karena pendekatan pencatatan manualnya, Bank Sampah Buha terus menghadapi sejumlah masalah, termasuk pengelolaan transaksi yang salah, kesulitan dalam memantau persediaan, keterlambatan dalam pembuatan laporan, dan risiko penyalahgunaan data. Dengan menggunakan Role-Based Access Control (RBAC) untuk mengatur akses pengguna berdasarkan tanggung jawab mereka, penelitian ini bertujuan untuk membangun Sistem Informasi Manajemen Daur Ulang Sampah Plastik berbasis web. Studi ini menggunakan model Waterfall bersamaan dengan pendekatan Research and Development (R&D), yang meliputi analisis kebutuhan, desain, implementasi, pengujian, dan evaluasi sistem. MySQL dan framework Laravel digunakan dalam pengembangan aplikasinya. Hasil pengujian Black Box menunjukkan bahwa Setiap fitur dari sistem beroperasi sesuai dengan standar yang telah ditetapkan. Implementasi RBAC telah terbukti meningkatkan keamanan data, menjaga integritas informasi dengan baik, serta membantu mengelola aktivitas operasional Bank Sampah Buha dengan lebih percaya diri dan akurat.
Co-Authors Ando Dian Bawental Ariel Arya Putra Iztiar Alamsyah Paputungan Marike A.S Kondoj Michael Brillian Maramis Oldi Malfri Lambonan Steven Johny Runtuwene Yonatan Parassa