SMA SB 3300-11 - Manual (Page 18)

Troubleshooting SMA Solar Technology AG
18 SB33_38-BA-BEN114230 User Manual
7.2 Measurement Channels
If your inverter is equipped with a communication product, numerous measuring channels and
messages can be transmitted for diagnostics.
Measurement channel Description
E-total Total amount of energy fed in
Event-Cnt Number of events that have occurred
Fac Power frequency
Error Identification of the present disturbance/error
h-on Total operating hours
h-total Total number of operating hours in feed-in operation
Iac Grid current
Ipv Direct current
Is Apparent current
Power On Total number of grid connections
Pac Generated AC power
PF Displacement power factor cos φ
Phase The phase to which the inverter is connected.
Qac Reactive power
Riso Insulation resistance of the PV plant before connecting to the
power distribution grid.
Serial number Inverter serial number
Status Display of the current operating state
Vac Grid voltage
Vpv PV input voltage
Vpv-Setpoint PV setpoint voltage