Troubleshooting
SMA Solar Technology AG
18
SMC70HV11-BA-BEN112930
User Manual
7.2 Measuring Channels
If your inverter is equipped with a communication product, then numerous measuring channels and
messages can be transmitted for diagnostics.
Measurement channel
Description
Balancer
Displays the current operating mode of the inverter that is set to the
operating parameter "PowerBalancer".
E-total
Total amount of energy fed in
Event-Cnt
Number of events that have occurred
Fac
Power frequency
Error
Identification of the actual 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
Phase
The phase to which the inverter is connected.
PF
Displacement power factor cos φ
Qac
Reactive power
Riso
Insulation resistance of the PV plant before entering into the power
distribution grid.
Sac
Apparent power
Serial number
Inverter serial number
Status
Display of the current operating state
Vac
Grid voltage
Vpv
PV input voltage
Vpv-Setpoint
PV setpoint voltage
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