Terminating res-
istors - Explana-
tion of symbols
Inverter in the system
e. g. Fronius Symo
Meter - Fronius Smart Meter TS
Terminating resistor R 120 Ohm is set with a wire jumper between M-
and T.
Modbus RTU slave
e. g. Fronius Ohmpilot, Fronius Solar Battery, etc.
Terminating resistor
R 120 Ohm
Terminating res-
istors
Due to interference, it is recommended that terminating resistors are used as illustrated
below to ensure proper functioning.
Manufacturer manual
max. 300 m
-
GND
T
D+
M+
M-
D-
*
Manufacturer manual Manufacturer manual
OPTION 2
max. 300 m
-
GND
T
D+
M+
M-
D-
23
EN