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All Journal TRANSIENT: Jurnal Ilmiah Teknik Elektro Dinasti International Journal of Education Management and Social Science
Ayu Adinda Putri, Ayu Adinda
Jurusan Teknik Elektro Universitas Diponegoro Jl. Prof. Sudharto, Tembalang, Semarang, Indonesia
Education Electrical & Electronics Engineering

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PENGATURAN KECEPATAN KONVEYOR BERBASIS PLC (STUDI KASUS : MONITORING KECEPATAN DAN SAFETY DEVICE KONVEYOR PADA MESIN PENGEKSTRAKSI BIJI KAPUK) Putri, Ayu Adinda; Facta, Mochammad; Sukmadi, Tejo
Transient: Jurnal Ilmiah Teknik Elektro TRANSIENT, VOL. 4, NO. 1, MARET 2015
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1207.657 KB) | DOI: 10.14710/transient.4.1.169-184

Abstract

Abstrak Pada awalnya sistem kontrol untuk pengendali otomatis perangkat-perangkat mesin di industri berupa rangkaian relay. Namun sistem kontrol dengan rangkaian relay tersebut menjadi kurang efektif karena untuk memberikan perubahan sistem memerlukan biaya yang besar serta tingkat kerumitan kerja yang tinggi. Akhirnya muncul sistem kontrol berbasis komputer yang disebut dengan PLC (Programmable Logic Controller) yang dapat memberikan solusi bagi permasalahan tersebut. Dengan tujuan untuk memeperoleh hasil produksi yang maksimal, diperlukan sistem pemindahan yang baik dalam proses distribusi suatu barang. Sistem yang dibangun berupa pengaturan kecepatan motor induksi 3 fasa menggunakan variable speed drive untuk menggerakkan konveyor dan dikontrol oleh PLC. Konveyor yang dibuat menggunakan beberapa sensor seperti sensor ping dan limit switch. Selain itu, konveyor juga dilengkapi dengan proteksi under dan upper speed switch yang diatur oleh sistem tipe alarm pada digital indicating controller. Masing-masing sensor memiliki fungsi untuk memberikan perintah logika ladder diagram yang telah ditetapkan didalam PLC. Dimana sensor ping akan mendeteksi level ketinggian serbuk biji kapuk didalam oven. Limit switch digunakan pada simulasi putusnya belt konveyor. Hasil pengujian menunjukkan motor induksi 3 fasa terkontrol vsd ABB ACS 300 memiliki efisiensi diatas 100 % pada  frekuensi 5 – 45 Hz dan efisiensi dibawah 100% pada frekuensi 50 Hz yaitu 86,68 %. Kata kunci :Variabel Speed Drive, konveyor, PLC, motor induksi, sensor Abstract At first, the control system for automatic control device in industrial machines such a relay contact. A control system with a relay it to be less effective because of the change in system to have a big cost and complexity of a work . Finally, there is control system based on PLC. With the aim to obtain the maximum yield, removal system is required in the distribution of goods. The system is built in the form of speed control of 3 phase induction motor using a variable speed drive to move conveyor and controlled by PLC. Conveyors are made using sensors such as ping sensors and limit switches. The conveyor is equipped with protection under and upper speed switches are arranged by type of alarm systems on the DIC. Sensor has a function to give the command ladder logic diagrams that have been set in the PLC. Ping sensor will detect kapuk seed powder height level in the oven. Limit switch is used to simulate a conveyor belt break. 3 phase induction motors controlled vsd ABB ACS 300 has efficiency of over  100% in the frequency 5-45 Hz and efficiency under 100 % at  frequency of 50 Hz is 86.68%. Keywords : Variable Speed Drive, conveyors, PLC, induction motors, sensor
The Mediation Role of Employee Engagement in the Relationship Between Work-Life Balance, Psychological Empowerment, Leadership, and Meaningful Work Towards Turnover Intention (A Study of Female Employees of PT Telkom Infrastruktur Indonesia) Putri, Ayu Adinda; Runing, Hunik Sri
Dinasti International Journal of Education Management and Social Science Vol. 7 No. 3 (2025): Dinasti International Journal of Education Management and Social Science (Febru
Publisher : Dinasti Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/dijemss.v7i3.6059

Abstract

This study is a literature review that analyzes a model for increasing and decreasing turnover intention through a framework of strengthening employee engagement. This approach provides a theoretical contribution by applying Discrepancy Theory in the context of modern work behavior, particularly for female workers in dynamic industrial sectors, where the match between expectations and work reality is key to forming long-term loyalty and engagement. This study was conducted only for female employees. PT. Telkom Infrastruktur Indonesia, a married couple, totalling 121. This study uses Structural Equation Modelling (SEM) analysis, using AMOS, to determine whether the model depicted corresponds to actual reality. The results of this study indicate that work-life balance, psychological empowerment, leadership, and meaningful work have a positive impact on employee engagement. The better the work-life balance, psychological empowerment, leadership, and meaningful work, the better. This has the potential to strengthen female employees' attachment to the organization. In this study, work-life balance contributed significantly to increasing employee engagement. Employee engagement had a significant negative effect on turnover intention. In this study, stronger employee engagement potentially reduced female employees' desire to leave the organization.
Co-Authors Hunik Sri Runing, Hunik Sri Mochammad Facta Tejo Sukmadi