Mitsubishi Electric 800 Series Instruction Manual page 23

3.
Terminating resistor
Connect terminating resistors to the both ends of a network if the both ends are FR-A8NP-mounted inverters.
Connection example
CAUTION
• After wiring, do not leave wire offcuts in the inverter. Doing so may cause a fault, failure, or malfunction.
22
WIRING
Master station
PLC etc.
Terminating
resistor
Power
supply
PROFIBUS communication cable
R1=390Ω 2% 1/4W
R2=220Ω 2% 1/4W
R3=390Ω 2% 1/4W
To other inverter
(node)
Inverter Inverter
Power
M
supply
R1 R2
V+ D+ D- D+
D-
R3
Terminating
resistor
M
V-