3-4
3-1 Servo Drive Specifications
3
Specifications
Servo Drives with Three-phase 200-VAC Input Power
Item
R88D-GN20H-
ML2
R88D-GN30H-
ML2
R88D-GN50H-
ML2
R88D-GN75H-
ML2
Continuous output current (rms)
14.3 A
17.4 A
31.0 A
45.4 A
Momentary maximum output current (rms)
45.3 A
63.6 A
84.8 A
170.0 A
Input
power
supply
Main circuit
Power
supply
capacity
3.3 KVA
4.5 KVA
7.5 KVA
11 KVA
Power
supply
voltage
Three-phase 200 to 230 VAC (170 to 253 V), 50/60 Hz
Rated
current
10.2 A
15.2 A
23.7 A
35.0 A
Control circuit
Power
supply
voltage
Single-phase 200 to 230 VAC (170 to 253 V), 50/60 Hz
Rated
current
0.1 A
0.12 A
0.12 A
0.14 A
Heat
generat-
ed
Main circuit
112.3 W
219.6 W
391.7 W
376.2 W
Control circuit
10.7 W
13.3 W
13.3 W
13.8 W
PWM frequency
6.0 kHz
Weight
Approx. 3.2 kg
Approx. 6.0 kg
Approx. 6.0 kg
Approx. 16.4 kg
Maximum applicable motor capacity
2 kW
3 kW
5 kW
7.5 kW
Applica-
ble Ser-
vomotors
3,000-r/min
Servomotors
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G2K030T
G3K030T
G4K030T
G5K030T
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3,000-r/min
Flat Servomo-
tors
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2,000-r/min
Servomotors
G2K020T
G3K020T
G4K020T
G5K020T
G7K515T
1,000-r/min
Servomotors
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G2K010T
G3K010T
G4K510T
G6K010T
Control method
All-digital servo
Inverter method
IGBT-driven PWM method
Perform
a
nce
Speed control range
1:5000
Speed variability: Load characteristic
0.01% or less at 0% to 100% (at rated speed)
Speed variability: Voltage
characteristic
0% at
±
10% of rated voltage (at rated speed)
Speed variability: Temperature
characteristic
±
0.1% or less at 0 to 50
°
C (at rated speed)
Torque control reproducibility
±
3% (at 20% to 100% of rated torque)
INC
ABS
INC
ABS
ABS
ABS
