Sharp CP-SR421 Instrukcja Użytkownika Pobierz pdf (Strona 245)

11. Options and peripheral devices

11 - 28

(4) Selection example of wires used for wiring

POINT

Selection condition of wire size is as follows.

Wire type: 600 V Polyvinyl chloride insulated wire (IV wire)

Construction condition: One wire is constructed in the air

(a) Wire sizes

1) Across P - P4, N - N-

The following table indicates the connection wire sizes of the DC power supply (P4, N- terminals)

between the FR-CV and servo amplifier.

Total of servo amplifier capacities [kW] Wires [mm

]

1 or less 2

2 3.5

5 5.5

7 8

11 14

15 22

22 50

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 regenerative common

converter

Grounding wire size

[mm

]

FR-CV-7.5K to FR-CV-15K 14

FR-CV-22K, FR-CV-30K 22

FR-CV-37K, FR-CV-55K 38

(b) Example of selecting the wire sizes

When connecting multiple servo amplifiers, always use junction terminals for wiring the servo

amplifier terminals P4, N-. Also, connect the servo amplifiers in the order of larger to smaller

capacities.

R2/L1

S2/L2

T2/L3

R/L11

S/L21

T/MC1

P/L+

N/L-

22 mm

Overall wiring length 5 m or less

N-

8 m

2 mm

8 mm

3.5 mm

2 mm

Junction terminal

Wire as short as possible

First unit:

22mm

assuming that the total

of servo amplifier capacities is

15 kW since 7 kW + 3.5 kW +

2.0 kW = 12.5 kW.

Second unit:

8mm

assuming that the total of

servo amplifier capacities is 7kW

since 3.5 kW + 2.0 kW = 5.5 kW.

Third unit:

2mm

assuming that the total of

servo amplifier capacities is 2kW

since 2.0 kW = 2.0 kW.

FR-CV-30K Servo amplifier (7 kW)

Servo amplifier (3.5 kW)

Servo amplifier (2 kW)

(Note)

Note. When using the servo amplifier of 7 kW or less, make sure to disconnect the wiring of built-in

regenerative resistor (5 kW or less: P4 and D, 7 kW: P4 and C).

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