Add-On Instruction Definition Editor dialog box - General tab parameters

Use the
General
tab on the
Add-On Instruction Definition Editor
dialog box to configure the general properties of an Add-On Instruction. The following table describes the parameters on the
General
tab.
Parameter
Description
Name
The AOI name, which must follow the
Logix Designer
application IEC-1131 Name Standard. The name of the AOI must be unique.
Description
A description for the instruction that contains a maximum of 512 characters.
Type
The language type of the main logic of the Add-On Instruction (Ladder, Function Block Diagram, Sequential Function Chart, or Structured Text). For safety Add-on Instructions, the language type is restricted to Ladder.
Change Type
Changes the language type of the main logic of the Add-On Instruction. If Class is set to Safety, the only available type is Ladder Diagram.
Important:
This setting takes effect immediately. Changing the type of an Add-On Instruction removes any existing main routine logic and replaces the existing logic routine with an empty routine of the new type. Scan mode routines are not changed.
Class
The class designation for the instruction, either standard or safety. Safety Add-On Instructions may need to meet requirements specific to safety applications. This setting is available only in Safety controller projects.
Revision
Designates the major and minor revisions of the instruction. You can use the Extended Text field to enter up to 40 characters of additional revision information.
Revision Note
You can use this box to enter additional information about the revision, up to 512 characters. The note is not downloaded to the controller.
Vendor
You can enter up to a 40-character Vendor name.
Permission Set
Applies a set of permissions that controls access based on the permissions configured in
FactoryTalk Security
. The default setting,
<Controller Inherited>
, applies the same security settings that have been applied to the controller or project.
Logic
Click this button to open the Logic routine. This button is not visible if the Add-On Instruction is source-protected and non-viewable.
Copy all default values of parameters and local tags whose values were modified to all tags of this instruction type
Copies all the default values of the parameters, local tags, or members' default values, that you have changed, to all instance tags of this instruction type.
Data Type Size
Displays the file size of the Add-On Instruction data type. This does include the size of any Local Tags, but it does not include logic size. The size is automatically updated when you apply changes to the instruction, but not as you create parameters and local tags.
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