Thank Saragani , but I think I could not explain myself right . I can already read the PLC table , what I want is to read the tables recorded on the SD card, but the plc.SD.ReadFile function returns an array of bytes and can not find from which byte starts the first element of the table . Can you help me? Thank Saragani , but I think I could not explain myself right . I can already read the PLC table , what I want is to read the tables recorded on the SD card, but the plc.SD.ReadFile function returns an array of bytes and can not find from which byte starts the first element of the table . Can you help me?