Fronius Symo x.x-3-S - Manuale (Pagina 17)

15
EN
Wiring diagram variant 2: S0 meter
A meter for recording the self-consumption of each S0 can be connected directly to the in-
verter.
IMPORTANT! In order to connect an S0 meter to the inverter, it may be necessary to up-
date the inverter firmware.
Requirements for the S0 meter:
-
Must comply with the IEC62053-31 Class B standard
- Max. voltage 15 V DC
- Max. current when ON 15 mA
- Min. current when ON 2 mA
- Max. current when OFF 0.15 mA
Recommended max. pulse rate of the S0 meter:
PV output kWp [kW] Max. pulse rate per kWp
30 1000
30 2000
10 5000
≤ 5.5 10000
Pin 1 Pin 2
Pin 1
Pin 2 S0 +
S0 -