Chapter 7 Function Block and Library 7.5.3 Using Delta Library For various applications, Delta provides several function blocks stored in the Delta Library for users to apply. Click the Delta Library tab to see the provided function blocks. Through the following methods, users can include the function to the function block. Method 1: Right click the Function Blocks under the Project node and click Include Function Blocks . After that you will see the Include Function Blocks window, select the function that you’d like to include and click OK . Click Cancel to close the window. After that you will see the newly included function under the Function Blocks node. 7-53