Is the Smartlogger3000 compatible with LUNA2000 power storage?

No.

Explanation:

As the Smartlogger3000 is not compatible with 2-6KTL-L1, as well as 3-10KTL-M1 inverters.
However, the LUNA2000 is only compatible with 2-6KTL-L1, as well as 3-10KTL-M1 inverters.