
3–13Planning an Application
Publication 2711-6.0
Read/write tags that define controller addresses for objects are
entered in the Tag Editor. A tag has the following attributes.
Tag Attributes Description
Tag Name➀
Unique name identifying tag address
Data Type Bit, 4BCD, Unsigned/Signed Integer, Bit Array,
Character Array, Float
Array Size Number of bits in a bit array
Description General description of tag
Node Name Name of controller associated with tag
Tag Address Specifies data table word or bit
Initial Value➁
Value stored at tag address on powerup
Update Frequency Rate at which tag address value is updated
Scaling➁
Scale and offset scale values
Data Entry Limits➁
High and low limits of data stored at tag address
➀ The tag name appears in the object’s dialog and in the Tag Editor.
➁ Usage dependent on object.
The Tag Editor supports two different ways for entering tags:
• table view to enter and edit multiple tags
• form view to enter a single tag
Tags are stored in a database that is referenced by a project name.
The project name is entered when creating a new application file.
The tag name entered in an object’s dialog links the object to the tag
name entered in the Tag Editor.
Form View
Table View
Defining Tags
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