PLC Data Types & Structures - Allen Bradley PLC RSLogix 5000 Basics Programming BOOL INT DINT Arrays

We’ve had a lot of questions about the different PLC Data Types & Data Structures over the last few months. Working with the basic structures in ladder logic is straightforward for some, but challenging for many. BOOLs, INTs, DINTs, SINTs as well as the arrays of those structures are at the core of every programming language, but aren’t fully understood by most PLC programmers.

This is a companion discussion topic for the original entry at