Title: +038=360.000-OU045T_02-PCD2.m4160 PLS SBC - File system Manual.pdf
The maximum number of write cycles of a flash memory cell is limited to about 100’000 (due to the wear-out of the flash memory). Since not all cells are concerned by a compress algorithm, the actual amount of write cycles possible is higher than 100’000.2.2.4SBCFilesystemspecificfeaturesSince the commonly used formats of flash file systems (FAT, NTFS etc) are not well suitable for the use on a PLC, the flash modules supporting file system on Saia PCD® controllers are formatted with the SBC File System (SFS). One of the advantages of the SFS is, that it is possible writing smaller pages and blocks (and therefore writing faster and using the space on the flash more economically).All modules supporting file system are sold formatted with the SBC File System.The following features do apply to all SBC flash modules supporting file system and need to be considered for its use: