Rockwell Automation Logix5000 Controllers I/O and Tag Data Programming Manual - Manual (Page 37)

Organize tags Chapter 2
Configure an array
To create an array, you create a tag and assign dimensions to the data type.
1. In the Controller Organizer, right-click Controller Tags and then click
Edit Tags.
2. In the Tag Editor, from the Scope box, choose a scope for the tag using the
following table as a guide.
If You Use The Tag Then Choose
In more than one program within the project The controller name
As a producer or consumer
In any of the seven AXIS data types
In a message
In only one program within the project
Program that uses the tag
This also limits the tag display to only tags with the same scope.
3. In the Name box, type a name for the tag.
4. In the Data Type box, enter the data type the array dimensions. In the
following table, Data_type represents the actual data type you enter.
If the tag is Then type Where
One-dimension array Data_type[x] Data_type is the type of data that the tag stores.
• X is the number of elements in the first dimension.
• Y is the number of elements in the second
dimension.
• Z is the number of elements in the third dimension.
Two-dimension array Data_type[x,y]
Three-dimension array Data_type[x,y,z]
You can also click the Browse button and then in the Select Data Type
dialog box, choose a data type and the array dimensions for the array.
Rock well Automati on Publication 1756- PM004E -EN-P - October 2014 37