I have multiple SMA Sunny Islands and multiple SMA Sunny Boys in an AC Coupled System. What do I need to have them properly communicate with each other?
Posted by Frank Molina, Stellavolta on Oct 9th 2020
Click on the links below to watch a video about how this is done and a link to the SMA "Piggy Back."
SMA's Tech Tip: Proper Communication for Sunny Island and Sunny Boy Systems
SMA SB RS 485-N Communication Card RS-485 Module (485USPB-NR)
