3-4
3-1 Servo Drive Specifications
3
Specifications
Servo Drives with Three-phase 200-VAC Input Power
Item R88D-GT20H R88D-GT30H R88D-GT50H R88D-GT75H
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
Servo-
motors
3,000-r/min
Servomotors
--- --- --- ---
G2K030T G3K030T
G4K030T
G5K030T
---
3,000-r/min
Flat Servomo-
tors
--- --- --- ---
--- --- --- ---
2,000-r/min
Servomotors
G2K020T G3K020T
G4K020T
G5K020T
G7K515T
1,000-r/min
Servomotors
--- G2K010T
G3K010T
G4K510T
G6K010T
Control method All-digital servo
Inverter method IGBT-driven PWM method
Performance
Speed control range 1:5000
Speed variability: Load characteris-
tic
0.01% or less at 0% to 100% (at rated speed)
Speed variability: Voltage charac-
teristic
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%
INC
INC