Rockwell Automation Logix5000 Controllers Function Block Diagram Programming Manual - Manual (Page 30)

Chapter 1 Program a Function Block Diagram
As you program your routine, periodically verify your work.
1. On the Standard toolbar, click .
If there are errors, they are listed in the Output window on the Errors tab
at the bottom of the Logix Designer application.
2. Press F4 to go to the first error or warning.
3. Correct the error according to the description in the Errors tab.
4. Repeat steps 1...3 until all of the errors are corrected.
5. To close the Output window, press Alt + 1.
Verify the routine
30 Rockwell Automation Publication 1756-PM009E-EN-P - October 2014