Mitsubishi Electric -MR-CV User Manual page 94

■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.
MR-CV55K
L+
L-
10 OPTIONS AND PERIPHERAL EQUIPMENT
92
10.2 Selection example of wires
Wire as short as possible.
2 2
60 mm 22 mm
2
22 mm
2
8 mm
2
8 mm
2
5.5 mm
Junction terminals
2
3.5 mm
Overall wiring length 5 m or less
Servo amplifier (15 kW)
First unit:
P4
2
60 mm assuming that the total capacity of servo amplifiers is
N-
27.5 kW since 15 kW + 7 kW + 3.5 kW + 2.0 kW = 27.5 kW.
Servo amplifier (7 kW)
Second unit:
P4
2
22 mm assuming that the total capacity of servo amplifiers is
N-
15 kW since 7 kW + 3.5 kW + 2.0 kW = 12.5 kW.
Servo amplifier (3.5 kW)
Third unit:
P4
2
8 mm assuming that the total capacity of servo
N-
amplifiers is 7 kW since 3.5 kW + 2.0 kW = 5.5 kW.
Servo amplifier (2 kW)
Fourth unit:
P4
2
3.5 mm assuming that the total capacity of servo
N-
amplifiers is 2 kW since 2.0 kW = 2.0 kW.