Array Data Types in Schneider PLC | EcoStruxure Control Expert Array Tutorial

Published: 08 September 2025
on channel: plc software

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Dive deep into working with Array data types in Schneider Electric’s EcoStruxure Control Expert (formerly Unity Pro). This tutorial walks you through:

• Declaring one-, two-, and three-dimensional arrays
• Initializing arrays (both fully and partially)
• Using variable-length arrays with VAR_IN_OUT in function blocks, and accessing array bounds via LOWER_BOUND and UPPER_BOUND
• Implicit boundary checks and how EcoStruxure handles array index violations gracefully

Perfect for PLC programmers seeking clearer insights into EcoStruxure data structuring.

Read more at PLC Blog:
https://plcblog.in/plc/schneider/schn...

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