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14. OPTIONS AND AUXILIARY EQUIPMENT
(4) Selection example of wires used for wir ing
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 wir e sizes of the DC power supply (P, N terminals)
between the FR-CV and servo amplifier.
Total of servo amplifier capacities [kW] Wires [mm2]
1 or less 2
2 3.5
5 5.5
7 8
11 14
15 22
22 50
The following table indicates the connection wir e sizes of the DC power supply (P( ), N( )
terminals) between the FR-CV-H and servo amplifier.
Total of servo amplifier capacities [kW] Wires [mm2]
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 equa l to or greater than that indicated in the following
table, and make it as short as possible.
Power regeneration common converter Grounding wire size [mm2 ]
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