📊 Want to master Arrays in Structured Text (ST) in CODESYS?
In this tutorial, we break down everything you need to know about arrays — from basic declaration to multidimensional looping — with real-life automation examples like sensor readings, temperature grids, and calculations.
🎯 What you’ll learn:
What is an Array in ST?
How to declare and initialize 1D and 2D arrays
Accessing specific array elements
Looping through arrays with FOR, REPEAT, and WHILE
Multidimensional array usage with temperature grid examples
Creating a function to modify arrays
Practical use cases: sensors, filters, states
🧠 Real-world application:
Use this knowledge to manage sensor data, control states, buffer values, or even implement PID tuning logic with arrays.
🚀 Perfect for beginners & intermediate PLC programmers using CODESYS and ST.
💡 BONUS: Full summary table included at the end!
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