Title: +038=360.000-OU045T_02-PCD2.m4160 PLS SBC - File system Manual.pdf
A-8plate text (<CR> adds a Carriage Return and <LF> adds a Line Feed).If the index is selected for backup file name, its length is automatically adapted to support the maximum index value. Leading zeros are added.Example Highest possible index = 9 Highest possible index = 128Index is 1 digit Index is 3 digitA-9IntroductionBAppendix: System Functions (Instruction List) toaccessfilesystemfromuserprogramIt is possible to use system functions to access the file system(s) from the user pro- gram.B.1IntroductionB.1.1PurposeofthischapterThe File System SFB Library allows accessing the different file systems created on a Saia PCD® by specific function blocks.The library includes the following file functionalities:■ creation (file or directory)■ opening a file■ closing a file■ deletion (file or directory)■ reading an open file■ writing an open file■ seeking into an open file■ Opening / reading / closing in one call