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How do I activate the SMA SB RS 485-N Communication Card RS-485 Module (485USPB-NR) Piggy Back?
Posted by Frank Molina, Stellavolta on Oct 7th 2020
To activate your SMA SB RS 485-N Communication Card, the following steps are necessary:
Physically install the SMA SB RS 485-N Communication Card
Start SMA Sunny Explorer
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Can I use the SMA SB7.7-1 SP-US-41 Sunny Boy Solar Inverter on a 9.8 kW system?
Yes, you could if you had two inverters in parallel. You can also oversize the Sunny Boy 1.5 times on the DC side (when correctly following the installation manual), meaning that you could have up to
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