103
figure 8-26 Grounding Detection
If the grounding detection is enabled, the DO relay will switch on automatically to signal the
external alarm if the value exceeds the grounding detection alarm value. The buzzer inside
the inverter will beep.
The PV insulation resistance fault (fault sub-code 039) will trigger the DO relay to signal the
external alarm.
8.10.14 Parallel Configuration
When two inverters are connected in parallel, the inverter needs to be set as the master or
slave.
Tap More→Settings→Power Regulation Parameters→Feed-in Limitation to enter the
corresponding screen.
Parameter Default value
Range
Master-slave operation
mode
ON ON / OFF
Master-slave setting
Master Master / Slave 1
Total Number of Master
and Slaves
2 2
8.10.15 Frequency Shift Power Control
Tap More→Settings→Operation Parameters→Other Parameters to enter the corre-
sponding screen.
User Manual 8 iSolarCloud App
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