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10 OPTIONS AND PERIPHERAL EQUIPMENT
10.2 Selection example of wires
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Wire size selection examples
When connecting multiple servo amplifiers to the FR-XC, use junction terminal blocks for the wiring to terminals P4 and N- on
the servo amplifiers. Also, connect the servo amplifiers in order with the largest capacity first.
L+
L-
P4
N-
60 mm
2
P4
N-
P4
N-
P4
N-
22 mm
2
8 mm
2
22 mm
2
8 mm
2
5.5 mm
2
3.5 mm
2
MR-CV55K
Overall wiring length 5 m or less
Junction terminals
Wire as short as possible.
Third unit:
8 mm
2
assuming that the total capacity of servo
amplifiers is 7 kW since 3.5 kW + 2.0 kW = 5.5 kW.
Fourth unit:
3.5 mm
2
assuming that the total capacity of servo
amplifiers is 2 kW since 2.0 kW = 2.0 kW.
Servo amplifier (15 kW)
Servo amplifier (7 kW)
Servo amplifier (3.5 kW)
Servo amplifier (2 kW)
First unit:
60 mm
2
assuming that the total capacity of servo amplifiers is
27.5 kW since 15 kW + 7 kW + 3.5 kW + 2.0 kW = 27.5 kW.
Second unit:
22 mm
2
assuming that the total capacity of servo amplifiers is
15 kW since 7 kW + 3.5 kW + 2.0 kW = 12.5 kW.
