Mitsubishi Electric MELSERVO-J3 Series Manual page 435

14. OPTIONS AND AUXILIARY EQUIPMENT
(4) Selection example of wires used for wiring
(a) Wire sizes
1) Across P-P( ), N-N( )
The following table indicates the connection wire sizes of the DC power supply (P, N terminals)
between the FR-CV and servo amplifier.
Total of servo amplifier capacities [kW]
The following table indicates the connection wire sizes of the DC power supply (P( ), N( )
terminals) between the FR-CV-H and servo amplifier.
Total of servo amplifier capacities [kW]
2) Grounding
For grounding, use the wire of the size equal to or greater than that indicated in the following
table, and make it as short as possible.
Power regeneration common converter
FR-CV-7.5K to FR-CV-15K
FR-CV-22K FR-CV-30K
FR-CV-37K FR-CV-55K
FR-CV-H22K FR-CV-H30K
FR-CV-H37K FR-CV-H55K
POINT
Selection condition of wire size is as follows.
Wire type: 600V Polyvinyl chloride insulated wire (IV wire)
Construction condition: One wire is constructed in the air
1 or less
2
5
7
11
15
22
1 or less
2
5
7
11
15
22
2
Wires [mm ]
2
3.5
5.5
8
14
22
50
2
Wires [mm ]
2
3.5
5.5
8
8
22
22
2
Grounding wire size [mm ]
14
22
38
8
22
14 - 50