Instruction List

Instruction List (IL) is a programming language used in industrial automation to control machinery and processes. It resembles a simplified, text-based set of instructions similar to a step-by-step recipe, guiding a computer or controller on how to operate equipment. Each instruction performs a specific task, such as turning a motor on or off or checking sensor data. IL is easy to read and write for engineers because it closely mirrors sequential logic diagrams, making it effective for designing and troubleshooting automated systems without the complexity of more advanced programming languages.