Add-On Instructions
With your programming software, you can design and configure sets of commonly used instructions to increase project consistency. Similar to the built-in instructions that are contained in the controllers, these instructions you create are called Add-On Instructions.
Add-On Instructions reuse common control algorithms. With them, you can do the following:
- Ease maintenance by creating logic for one instance.
- Apply source protection to help protect intellectual property.
- Reduce documentation development time.
You can use Add-On Instructions across multiple projects. You can define your instructions, obtain them from somebody else, or copy them from another project. This table explains some of the capabilities and advantages of using Add-On Instructions.
Capability | Description |
|---|---|
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 share them with others. Add-On Instructions increase project consistency because 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 editors:
|
Export/Import Add-On Instructions | You can export/import Add-On Instructions to other projects and copy and paste them from one project to another. Give each instruction a unique, descriptive name to make it easier to manage and reuse your collection of Add-On Instructions. |
Use Context Views | Context views let you visualize the logic of an instruction for instant, simplified online troubleshooting of your Add-On Instructions. |
Document the Instruction | When you create an instruction, you enter information for the description fields. Each instruction definition includes revision, change history, and description information. The description text also becomes the help topic for the instruction. You can also generate a signature for the Add-On Instruction and include the Add-On Instruction in a tracking group. |
Apply Source Protection | When you create Add-On Instructions, you can limit users of your instructions to read-only access, or you can bar access to the internal logic or local parameters that are used by the instructions. This source protection lets you stop unwanted changes to your instructions and helps protect your intellectual property. You can pre-compile and encrypt your Add-On Instruction for better Intellectual property protection. This feature has less of a performance impact than the Logix Designer application source protection. |
Once defined in a project, Add-On Instructions behave similarly to the built-in instructions in the controllers.
With
Studio 5000 Logix Designer®
application version 31 and greater, Add-On Instructions appear under the Assets folder in the organizer. They also appear on the instruction toolbar for easy access along with internal instructions.Add-On Instructions Example
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