6. Function blocks6.3 UF - User function blockProgramming view for UF Blinker1 tabFigure 205: Programming view for UF Blinker1 user function blockRun a plausibility check first.Save the user function block and switch to the Programming view for the main pro-gram.The user function block will appear in the list of operands and function blocks with agreen icon that means that it is not being used in the project yet.6.3.5 Calling a user function block in the main programUser function blocks can be called in the main program the same way manufacturerfunction blocks are called.User function block in and FBD main programIn order to call a user function block in a main program that uses the FBD programminglanguage, drag the function block like a normal function block to the work pane in theProgramming view.440 easyE4 11/18 MN050009 EN www.eaton.com