Declaring Derived Variables

Overview

This is a 2-step procedure

Creating the Result Type

In order to create the derived variables, the Result type needs to be created. Follow these steps to do so:

Step	Action
1	In Project browser / Derived Data Types, double-click on the folder to open the window.
2	Type "Result" in the name, and keep Struct type. A new Result data type will be in a creation (illustrated by the worker icon)
3	Expand the structure and add the elements (Done, Abort, Error).
4	The worker icon will disappear if the analyze type command is used or next time the application is built.

Create the Derived Variables Used for the Application

The table shows the details of the Derived variables used in the application.

Variable	Type	Definition
Approach_Result	Result	Array with approach status
Pushing_Result	Result	Array with pushing status
SortIngOperation_Result	Result	Array with sorting operation status

The screen shows the application variables created using the data editor :

NOTE: Click on

in front of the derived variable Approach_Result to expand the I/O objects list.