Troubleshooting
SMA Solar Technology AG
18
WB5A-6A-BA-BEN114530
User Manual
7.2 Measurement Channels
If your inverter is equipped with a communication product, then numerous measuring channels and
messages can be transmitted for diagnostics.
* From firmware version 2.18
Measurement channel
Description
Balancer
Displays the current operating mode of the inverter that is set to the
operating parameter "PowerBalancer".
Earthfault
Insulation resistance of the small wind turbine system before
connecting to the power distribution grid.
Error
Identification of the current 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
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
Sac*
Apparent power
Serial number
Inverter serial number
Status
Display of the current operating state
Vac
Line voltage
Vpv
DC input voltage
Vpv-Setpoint
DC target voltage
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