Rockwell Automation Logix5000 Logix5000 Controllers Quick Start - Manual (Page 55)

Publication 1756-QS001E-EN-P - October 2009 55
Program Add-On Instructions Chapter 3
Access a Parameter That Is Not Visible
How you read or write to a parameter of an Add-On Instruction that is not visible depends on the
programming language.
Function Block
1. Click the Properties button for the instruction.
2. Check the Vis box for the parameter and click OK.
3. Wire to the pin for the parameter.
Ladder Logic and Structured Text
Use another instruction, an assignment, or an expression to read or write to the tag name of the parameter.
Use this format for the tag name of the parameter.
Add_On_Tag.Parameter
Where Is
Add_On_Tag Add-on-defined tag for the add-on instruction
Parameter Name of the parameter