12 POU Editing ModeDVP-PM Application Manual12-40Find Previous function is based on the last item found and looks upward for the next item in the ladder diagram.The searching is conducted according to search options.Method 1: Select “Find Previous” in the Edit menu.Method 2: Press Ctrl + F3 on the keyboard.Method 3: Right click the mouse and select “Find Previous” from the drop-down list.5. Find / Replace – Local SymbolsIn addition to searching in POU ladder diagram, you can also search devices and symbols in Local Symbol Tableas well as Global Symbol Table by right-clicking the symbol table and select Find from the drop-down list.However, the searching is conducted only at the symbol table which is right-clicked by user. To search othersymbol tables you need to move the cursor and right click on them again.12.1.9 Ladder ReplaceReplace function can be conducted only on instructions, devices or symbols in POU ladders. Symbol tables are notsupported by Replace function. In addition, replace function has to be used together with Find function. Replacefunction works only when matched results are found by Find function. Care should be taken when using Replace orReplace All function. Please make sure no instruction error, illegal device or incorrect instruction combination will occurafter replacement is completed. See below for the details of the Replace window.
