SMA SUNNY BOY 4000-US - Communication; Measuring Channels and Parameters

Displays and messages SMA America, LLC
72 SB30-40US-IUS103030 Installation Guide
8.4 Communication
The Sunny Boy can be equipped with a communication interface (socket see section 4.2”Locating
internal components” (page18)) to communicate with special data acquisition devices (e.g. Sunny
WebBox) or a PC with appropriate software (e.g. Sunny Data).
For a complete listing of all applicable communication options refer to the SMA web page or the
product catalogue.
See the communication interface documentation for a detailed wiring diagram and instructions for
insertion.
8.5 Measuring channels and parameters
The communication options support a number of measuring channels and messages from the Sunny
Boy inverters.
The following abbreviations are used:
The BFR and SRR are redundant processor control systems for the utility protection functions.
BFR Sequential Control System (Betriebsführungsrechner)
SRR Current Control System (Stromregelungsrechner)