Publication 1756-UM001G-EN-P - January 2007
74 Develop Applications
Once defined in a project, Add-On Instructions behave similarly to the
built-in instructions in Logix5000 controllers. They appear on the
instruction tool bar for easy access, as do internal RSLogix 5000
software instructions.
Save Time
With Add-On Instructions, you can combine your most commonly
used logic into sets of reusable instructions. You save time when you
create instructions for your projects and then share them with others.
Add-On Instructions increase project consistency since commonly
used algorithms all work in the same manner, regardless of who
implements the project.
Use Standard Editors
You create Add-On Instructions by using one of three RSLogix 5000
software programming editors.
• Standard Ladder
• Function Block Diagram
• Structured Text
Once you have created instructions, you can use them in any RSLogix
5000 editor.
Export Add-On Instructions
You can export Add-On Instructions to other projects as well as copy
and paste them from one project to another. Give each instruction a
unique name so that you don’t accidentally overwrite another
instruction of the same name.
Use Context Views
Context views let you visualize an instruction’s logic for a specific
instant, simplifying online troubleshooting of your Add-On
Instructions. Each instruction contains a revision, a change history,
and an auto-generated help page.
Create Custom Help
When you create an instruction, you enter information for the
description fields in software dialogs, information that becomes what
is known as Custom Help. Custom Help makes it easier for users to
get the help they need when implementing the instructions.
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