IEC 62386-102:2022 is applicable to control gear for control by digital signals of electronic lighting equipment. This third edition cancels and replaces the second edition published in 2014 and Amendment 1:2018. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: the scope has been updated; references have been updated; memory bank reading of multi-byte values has been added; memory bank 0 and common memory bank requirements have been updated; reserved memory banks have been updated; non-volatile memory (NVM) save time has been added, and SAVE PERSISTENT VARIABLES removed; version number has been updated; bus unit configuration has been added.