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WIRING
3
(3) Terminating resistor
Connect terminating resistors to the both ends of a network if the both ends are FR-A7NP-mounted
inverters.
PROFIBUS communication cable
Inverter
Motor Motor
Power
supply
Inverter
Power
supply
Terminating
resistor
Master station
V+ D+ D- D+
D-
V-
R1 R2
R1=390Ω 2% 1/4W
R2=220Ω 2% 1/4W
R3=390Ω 2% 1/4W
Connection example
To other inverter
(node)
R3
Terminating
resistor
Programmable
controller etc.