Rockwell Automation 1753-PCS-PAR Using RSLogix Guard PLUS! with GuardPLC Controllers - Manual (Page 88)

Publication 1753-PM001A-EN-P - November 2005
8-2 Create User-Defined Function Blocks
To create a function block:
1. In the Program Management Window, right-click Configuration
and choose New>Library.
2. Right-click the new Library and choose New>Function Block
Type to create the new function block.
3. You can rename the new function block by right-clicking it and
choosing Rename.