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21
7.2 Polarity / Open Circuit Voltage U
0
acc. EN 62446 (VDE 0126-23)
Warning!
Prior to the measurements, please disconnect the
photovoltaic modules from the power inverter.
●
Disconnect photovoltaic modules from power inverter.
●
Connect Solarmex with PV plugs to the pv modules.
●
Switch on Solarmex.
●
On the display appears the open circuit voltage U
0
of modules :
U
0
: 500V
I
SC
:---
R
ISO
:---
In case of wrong polarity the triangle symbol appears
U
0
:Pol
Change connection and repeat measurement.
I
SC
:---
R
ISO
:---
7.3 Short Circuit Current I
SC
acc. EN 62446 (VDE 0126-23)
Warning!
Prior to the measurements, please disconnect the photovoltaic modules from the
power inverter.
●
Disconnect photovoltaic modules from power inverter.
●
Connect Solarmex with PV plugs to the pv modules.
●
Switch on Solarmex.
The Open Circuit Voltage U
0
appears.
●
Press button.
In the display appears the open circuit voltage U
0
and the short circuit current I
SC
:
