2 measurement channels, Measurement channels – SMA WB 3300-11 User Manual
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SMA Solar Technology AG
Troubleshooting
User Manual
WB33_38-BA-BEN120930
19
7.2 Measurement Channels
If your inverter is equipped with a communication product, numerous measurement channels and
messages can be transmitted for diagnostics.
Measurement channel
Description
Error
Identification of the present disturbance/error
E-total
Total amount of energy fed in
Event-Cnt
Number of events that have occurred
Fac
Power frequency
h-On
Total operating hours
h-total
Total number of operating hours in feed-in operation
Iac
Line current
Ipv
Direct current
Pac
Generated AC power
Power On
Total number of grid connections
Riso
Insulation resistance of the small wind turbine system
Serial number
Inverter serial number
Status
Display of the current operating state
Vac
Line voltage
Vpv
DC input voltage
Vpv-Set
DC target voltage