IEC 62386-103:2022 is applicable to control devices for control by digital signals of electronic lighting equipment. This second edition cancels and replaces the first 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:

1. the scope has been updated;
2. quiescent mode has been updated;
3. non-volatile memory (NVM) save time has been added, and SAVE PERSISTENT VARIABLES command removed;
4. memory bank 0 has been modified, and common memory bank requirements have been added;
5. IDENTIFY DEVICE has been updated;
6. version number has been changed;
7. bus unit configuration has been added; and
8. instance types and configuration have been added.