Mitsubishi Electric FR-E720-0.1K Instructions Manual page 22

(3) Terminating resistor
If the node at both ends of the network are the FR-A7NP and inverter, connect a connector with a
built-in terminating resistor.
Connection example
Programmable
controller etc.
Terminating
resistor
Profibus communication cable
Inverter
Master station
Power
supply
R1=390Ω 2% 1/4W
R2=220Ω 2% 1/4W
V+
R3=390Ω 2% 1/4W
To other inverter
(node)
Inverter
Terminating
resistor
Power
Motor Motor
supply
R1 R2
D+ D- D+ V-
D-
R3
WIRING
3
15