Rockwell-automation Logix5000 Controllers I/O and Tag Data Programming Instrukcja Użytkownika Pobierz pdf (Strona 32)

Chapter 2 Organize tags

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.

You can also click the Browse button and then in the Select Data Type

dialog box, choose a data type for the tag.

5. (optional) In the Description box, type a description for the tag.

6. (optional) Select the Constant check box if you want the tag to have a

constant value.

7. In the External Access list, choose the external access for the tag.

See Data access control on page 63

for information on the External Access

and Constant attributes.

Add extended properties to a tag

To add extended properties to a tag:

1. In the Tag Editor, select the tag.

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Rockwell-automation Logix5000 Controllers I/O and Tag Data Programming Instrukcja Użytkownika Strona 32