What is Rapid SCADA

An Open-Source Event-Based SCADA System for the Power Grid

A Low-Cost, Open Source IoT-Based SCADA System Design, and Implementation for Photovoltaics

IEC 61131-3 is the third part (of 10) of the open international standard IEC 61131 for programmable logic controllers, and was first published in December 1993 by the IEC. The current (third) edition was published in February 2013.

Ladder logic

Function block diagram

Sequential function chart

Instruction list