Mitsubishi Electric Melservo-J3 Series MR-J3-B, Instruction Manual

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14. OPTIONS AND AUXILIARY EQUIPMENT
(4) Selection example of wires used for wiring
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
(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] Wires [mm
2
]
1 or less 2
2 3.5
5 5.5
7 8
11 14
15 22
22 50
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] Wires [mm 2 ]
1 or less 2
2 3.5
5 5.5
7 8
11 8
15 22
22 22
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 Grounding wire size [mm
2
]
FR-CV-7.5K to FR-CV-15K 14
FR-CV-22K FR-CV-30K 22
FR-CV-37K FR-CV-55K 38
FR-CV-H22K FR-CV-H30K 8
FR-CV-H37K FR-CV-H55K 22