Fronius Datamanager 2.0 Operating Instructions Manual page 90

A counter for recording self-consumption per S0 can be connected directly to the inverter
(Fronius Galvo and Fronius Symo only).
IMPORTANT! An S0 counter is connected to the switchable multifunctional current inter-
face of the inverter. Connecting an S0 counter to the inverter may require an inverter firm-
ware update.
Requirements for the S0 counter:
-
-
-
-
-
Recommended max. impulse rate of S0 counter:
PV power kWp [kW]
30
30
10
88
Pin 2
Must meet standard IEC 62053-31 Class B
Max. voltage: 15 V DC
Max. current when ON: 15 mA
Min. current when ON: 2 mA
Max. current when OFF: 0.15 mA
≤ 5.5
(1a)
Pin 1
Pin 2
Pin 1
Max. impulse rate per kWp
1000
2000
5000
10000
(1b)
S0 +
S0 -