Hi,
I’m investigating support for the Aqara Dual Relay Module T2 ( lumi.switch.acn047 ) in Home Assistant’s ZHA integration, specifically its built-in scheduling / timer functionality .
I’d like to understand how this feature works internally and whether it could be implemented in ZHA through a custom quirk or the standard Zigbee clusters.
Could you clarify the following points?
- Does the T2 relay support native time-based scheduling, with schedules stored and executed directly on the device?
- If so, which Zigbee cluster, attributes, commands, or manufacturer-specific commands are used to configure and manage these schedules?
- Are schedules stored in non-volatile memory and preserved across power cycles or coordinator disconnections?
- Does the feature require an Aqara hub, or can it be configured directly over Zigbee using a third-party coordinator?
- Is there any existing documentation, Zigbee traffic capture, or reverse-engineering work describing this functionality?
- Are there any known limitations, such as the number of schedules, supported recurrence patterns, or time synchronization requirements?
My goal is to determine whether this functionality can be exposed in Home Assistant through ZHA, ideally allowing schedules to be configured and executed autonomously by the relay without relying on Home Assistant automations.
Any technical details, references, or packet captures would be greatly appreciated.
Thanks!