User-defined data types – Rockwell Automation Logix5000 Controllers I/O and Tag Data Programming Manual User Manual
Page 38
Chapter 2
Organize tags
User-defined data types (structures) let you organize your data to match your
machine or process.
Example:
User-defined data type that stores a recipe.
In a system of several tanks, each tank can run a variety of recipes. Because the recipe requires a mix of data types (REAL, DINT, BOOL, so forth), a user-defined data
type is used.
An array that is based on this data type looks like this example.
Item
Description
Array of recipes
First recipe
Members of the recipe
Array containing three elements of the TANK data type
User-defined data types
38
Rockwell Automation Publication 1756-PM004E-EN-P - October 2014
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