This function block can be used to determine the root directory for all function blocks of the ⇘ CAA_File.library in case of relative path specification.
Input:
| 
                               xExecute  | 
                           
                               BOOL  | 
                           
                               see: ⇘ “CAA 指南”  | 
                        
| 
                               sFileName  | 
                           
                               CAA.FILENAME  | 
                           
                               Name of root directory: no special characters, separator for sub-directories “/”, absolute or relative path specification No empty spaces Use capital letters  | 
                        
Output:
| 
                               xDone  | 
                           
                               BOOL  | 
                           
                               see: ⇘ “CAA 指南”  | 
                        
| 
                               xBusy  | 
                           
                               BOOL  | 
                           
                               see: ⇘ “CAA 指南”  | 
                        
| 
                               xError  | 
                           
                               BOOL  | 
                           
                               see: ⇘ “CAA 指南”  | 
                        
| 
                               eError  | 
                           
                               FILE.ERROR  | 
                           
                               Error ID  |