Is the SMA SB RS 485-N Communication Card RS-458 Module (485USPB-NR) Piggy Back compatible with Sunny Island Inverters?
Posted by Frank Molina, Stellavolta on Apr 17th 2020
Yes, the SMA RS 485-N (485USPB-NR) is compatible with boy Sunny Boys and Sunny Islands. Here is an SMA link to an informative video by SMA on how to use the card.