Industry Process Automation Using Programmable Switching
Year: 2025
Type: article
Abstract: : This project presents a cost-effective alternative to expensive Programmable Logic Controllers (PLCs) for industrial load switching by implementing an 8051 microcontroller-based system. Designed for repetitive operations, the solution offers three operational modes: Set mode for user-defined timer configurations, Auto mode for default timed switching, and Manual mode for direct switch control, with all modes and load status displayed on an LCD. The system utilizes input switches for programming, relay circuits for load control, and Keil-developed firmware with precise timer management. By replicating basic PLC functionality at a fraction of the cost, this approach makes industrial automation more accessible for simple sequential operations. The design also allows for future expansion, including GSM modem integration for remote control via SMS, enabling mode selection and timing adjustments from a distance. This microcontroller-based implementation demonstrates how economical solutions can effectively replace costly PLCs in specific industrial applications while maintaining flexibility and functionality.
Authors: Godase, Amol Nivrutti, Mulani, Ayaan Zakirhusen, Gavhane, Vikram Balasaheb, Mulani, Noormahamad Akabar, Shinde, Nitin Raghunath
Language: English
Subfield: Control and Systems Engineering
Field: Engineering
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W6912029263
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