ISPSoft User Manual 6.2.9 Arranging the symbols In the local symbol table in a function block, the order in which the symbols of the VAR_INPUT class, the symbols of the VAR_IN_OUT class, and the symbols of the VAR_OUTPUT class are arranged affects the order in which the operands in the function block are arranged. If users want to arrange the symbols in the local symbol table in a function block, they can right-click a symbol which will be moved upward or moved downward, and press Alt ＋ or Alt ＋ on the keyboard.
In global symbol table and local symbol table of POU, users can click the Identifier or Address the data in the table will be sorted according to the contents of the Identifier column or the Address column, and a mark indicating the sort direction will appear in at the right side of the heading Identifier or Address . Owing to the fact that the order in which the symbols in the local symbol table in a function block are arranged affects the order in which the operands in the function block are arranged, the data in the local symbol table in a function block cannot be sorted in this way. 6-40