SMA America, LLC 5 Troubleshooting
User Manual SB6-11TLUS-BA-eng-BUS121211 25
5.2 Measurement Channels
The measured values of the inverter are shown on the display in the measurement channels. In
addition, you can read out a variety of measurement channels and messages from the inverter using
special communication devices (e.g. Sunny WebBox) or a PC with the relevant software
(e.g. Sunny Explorer).
Measurement channel Explanation
Balancer Operating mode set via "Power Balancer" parameter
CO2 saved Amount of CO
2
saved during the operating time
E-total Total energy yield
Error Description of fault
Event-Cnt Number of events
Fac Power frequency
Grid Type Type of power distribution grid to which the inverter is connected
h-on Total operating hours
h-Total Total number of operating hours in feed-in operation
I-dif Residual current
Iac Line current
Inv.TmpVal Temperature measured at IGBT module
Ipv DC input current
Max Vpv Maximum DC input voltage
Mode Current operating mode
Pac Power fed into the power distribution grid
Pcb.Tmp.Val Temperature measured at printed circuit board
Power On Total system start-up counter
Riso Insulation resistance of the PV plant before connecting to the power
distribution grid
Serial Number Inverter serial number
Vac Line voltage L1 - L2
Vac L1 Line voltage L1 - N
Vac L2 Line voltage L2 - N
Vpv DC Input voltage
Vpv Setpoint MPP tracking DC target voltage
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