IEC 62386-202:2022

IEC 62386-202:2022 is applicable to control gear for control by digital signals of electronic lighting equipment which is associated with self-contained emergency lighting as described in IEC 61347-2-7 with additional control interface for configuring emergency operation.
This second edition cancels and replaces the first edition published in 2009. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:

* scope updated,
* hardwired switch operation can be disabled,
* installation inhibit feature added,
* memory bank added,
* modes of operation clarified, with some changes and additions,
* command added to enter extended emergency mode,
* command added to extend time in duration test mode.