Including an Add-On Instruction in a Routine

Follow this procedure when you want to use an Add-On Instruction in one of your routines.

1. Open the Add-On Instruction folder in the Controller Organizer and view the listed instructions.

If the instruction you want to use is not listed, you need to do one of the following:

· Create the instruction in your project.
· Copy and paste an instruction into your project.
· Get the file for an exported instruction definition and then import the instruction into your current project.

2. Open the routine that will use the instruction.
3. Click the Add-On tab on the instruction toolbar.
4. Click the desired Add-On Instruction, for example Simulation, and drag the instruction from the toolbar into the routine.

5. Define arguments for each Parameter on the instruction call.

The instruction appears as follows in each of the languages.

Ladder Diagram

Parameter With	Description
Single question mark	This is a required InOut parameter. Enter a tag.
Single and double question marks	This is a required Input or Output parameter. Enter a tag.
Double question marks	This is not a required parameter. You can either: · Leave as is and use the default value. · Enter a different value if it is an Input parameter.

Function Block Diagram

Item	Description
Nub on the end of pin	This is a required Input or Output parameter. You must wire the pin to an IREF, OREF, connector, or another block to verify.
Single question mark	This is a required InOut parameter. Enter a tag.
No nub on the end of pin	This is not a required parameter. You can either: · Leave as is and use the default value. · Enter a different value if it’s an Input parameter.

Structured Text

The instruction expects arguments for required parameters as listed in the instruction tooltip.