Fronius Smart Meter 240V-3 UL Manual De Instrucciones página 16

Terminating res-
istors - explana-
tion of symbols
Terminating Res- The system might work without terminating resistors. Due to interferences, the
istors use of terminating resistors according to the following schemes are recommen-
ded.
16
Inverter in the system
e.g. Fronius Symo
Meter - Fronius Smart Meter
Terminating resistor is integrated in the meter.
Modbus RTU slave
e.g. Fronius Ohmpilot, Fronius Solar Battery, etc.
Termination resistance
R 120 Ohm
Modbus Adress 7 (value 1 + 2 + 4 =
7)
DIP 1 2
Switch
Position 1 1
Modbus Adress 20 (value 4 + 16 =
20)
DIP 1 2
Switch
Position 0 0
Activate the Fronius Smart Meter ter-
minating resistor (R 120 Ohm) by
switching pin 7 to ON (1).
3 4 5 6
1 0 0 0
3 4 5 6
1 0 1 0