IEC 62386-224:2018 specifies a bus system for control by digital signals of electronic lighting equipment which is in line with the requirements of IEC 61347 (all parts), with the addition of DC supplies.
Document identifier
IEC 62386-224 Ed. 1.0 b:2018
Title
Digital addressable lighting interface - Part 224: Particular requirements for control gear - Non-replaceable light source (device type 23)