Rockwell-automation 1794-L34 FlexLogix Controller System User Manual Manuel d'utilisateur Page 75

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Publication 1794-UM001G-EN-P - January 2007
Develop Applications 75
Organize Tags
With a Logix5000 controller, you use a tag (alphanumeric name) to
address data (variables). In Logix5000 controllers, there is no fixed,
numeric format. The tag name itself identifies the data. This lets you:
organize your data to mirror your machinery
document (through tag names) your application as you
develop it
When you create a tag, you assign the following properties to the tag:
tag type
data type
scope
For more information...
The Logix5000 Controllers Common Procedures Manual, 1756-PM001
provides information on how to:
define tags
create tags, arrays, and user-defined structures
address tags
create aliases to tags
assign indirect addresses
See:
Logix5000 Controllers Common
Procedures Manual, 1756-PM001
Logix5000 Controllers Design
Considerations Reference Manual,
digital I/O device
analog I/O device
integer value
storage bit
counter
timer
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