6. Function blocks6.3 UF - User function blockExampleThe example shows the user function block's Q1 output being connected to a counterrelay's C input.6.3.6 Saving a user function blockYou can close an open user function block at any time. Likewise, you can save changesto the user function block at any time. Please note that if you close a modified user func-tion block, the system will ask whether you want to save or discard the changes.The "Program->Close" menu option and the "Close" button will be available if the userfunction block is open and either the user function block view is open or the user func-tion block is selected in the main program view.The "Program->Save user function block" and the "Save user function block" button willbe available if the user function block is open and has been modified and either the userfunction block view is open or the user function block is selected in the main programview.Operands available for user function blocksWhen a user function block is selected, the list of operands and function blocks willshow the operands that are available. The number of manufacturer function blocks willbe smaller.All operands within a user function block refer to a separate local memory area. Sup-ported (local) operands:easyE4 11/18 MN050009 EN www.eaton.com 445
