Raspberry Pi based SCADA system using Codesys for workshop facilities

Abstract

This study aims to create a prototype of the SCADA system used to control the lighting source facilities and a fan-based Raspberry Pi in the workshop of the Electrical Engineering Study Program of Politeknik Enjinering Indorama. This system consists of Raspberry Pi Model B, UL 2803 Driver, switch module, relay module, lamp, and fan. Raspberry Pi as a controller or mini PLC programmed using CodeSys software with the ladder logic diagram programming. The System control process can also be done through the HMI display (Human Machine Interface), HMI display is designed using Codesys Web Visualization feature so the system can be controlled through a PC or mobile web browser while connected to the campus intranet network. The results showed the prototype SCADA system that was built was able to control sources for lighting and fans both locally and remotely through a mobile or PC in real-time with an average control time of 200 ms.