SMA
Technologie AG
General information
Operating instructions
WB11_17-11:FE4205
Page 53
9 General information
9.1 Measurement channels and messages
If your Windy Boy is equipped with a communication component, then numerous
measurement channels and messages can be consulted. These can be useful for both
performance improvement and for fault prevention.
The following abbreviations apply:
BFR
: Operation control unit
SRR
: Current control unit
E-total
Total amount of feed-in energy
Fac
Grid frequency
Faults
Fault type display under "Disturbance" status
h-total
Total hours of mains supply feed-in operation
Iac-Ist
Grid current
Ipv
DC current
Netz-Ein
Total number of mains supply switch-ons
Pac
Mains supply performance provided
Riso
Insulation resistance of the system to the mains supply connection
Seriennummer
Serial number of the Windy Boy
Status
Display of the current operational status
Uac
Grid voltage
Upv-Ist
DC input voltage
Upv-Soll
Nominal DC voltage
Zac
Mains supply impedance
The measurement channels provide information in German (e.g."Fehler“), or in
English (e.g. "Error“), depending on which software you are using (Sunny Data
or Sunny Data Control).
Summary of Contents for Windy Boy 1100
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