SMA SB 3300TL - Manual (Page 43)

SMA Technologie AG Technical Documentation
Operating Instructions SB3300TL-11:FE1905 Page 39
7.4 Measurement Channels and Messages
If your Sunny Boy 3300TL has been equipped with a communication interface, nu-
merous measurement channels and messages can be acquired. These can help to im-
prove the performance as well as eliminate failures of your plant.
BFR: System control
SRR: Current control
7.4.1 Measurement Channels
dI Residual currents between the modules and the Sunny Boy
E-Total Total power fed to the grid accumulated from the day of instal-
lation
E-Total DC Total DC Yield
Fac Grid frequency
Fehler/Failure Display of failure type in „Failure“ state
Fehler-Cnt/
Error-Cnt Total number of errors
h-On Total sum of operating hours
h-Total Total sum of operating hours in feeding operation
Iac Current fed to the grid
Netz-Ein/
Power ON Total number of connections to the grid
Pac Current output power
Riso Insulation resistance of PV-plant before connection to the grid
Seriennummer/
Serial Number Serial number of the Sunny Boy
Status/Mode Display of current operating state
Uac/Vac Grid voltage
Upv-Ist /
Vpv PV-input voltage
Upv-Soll /
Vconst-Setpoint PV setpoint voltage
Zac Grid impedance
PPV DC-A Current power from String A