Allen-Bradley 1756-L65 ControlLogix 5565, Руководство по программированию

Страница: 35 / 90

Rockwell Automation Publication 1756-PM004D-EN-P - September 2012 33
Organizing Tags Chapter 2
Create a Tag
The Tag Editor window lets you create and edit tags by using a spreadsheet-style
view of the tags.
Follow these steps to create a tag by using the Logix Designer application.
1. On the Controller Organizer, right-click Controller Tags and choose Edit
Tags
.
The Tag Editor window appears.
2. Choose a scope for the tag.
3. Type a name, data type, and description (optional) for the tag.
4. Specify the External Access and Constant attributes.
See Chapter 4 on page 65 for information on the External Access and
Constant attributes.
Adding Extended Properties to a Tag
To add extended properties to a tag:
1. Select the tag in the Tag Editor.
2. In the Tag Properties pane, check the properties that you want to add from
the Extended Properties list.
IMPORTANT
The Logix Designer application also automatically creates tags when you:
– Add an element to a sequential function chart (SFC).
– Add a function block instruction to a function block diagram.
42350
If You Use The Tag Then Select
In more than one program within the project
Name_of_controller
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 will use the tag