Chapter 11 Specifications|ASDA-AB Series
11-4 Revision January 2009
11.2 Specifications of Servo Motor (ECMA Series)
Low Inertia Servo Motor
C304 C306 C308 C310
100W 200W 400W 400W 750W 1kW 2kW
Model: ECMA Series
01 02 04 04 07 10 20
Rated output power (kW)
0.1 0.2 0.4 0.4 0.75 1.0 2.0
Rated torque (N.m)
0.32 0.64 1.27 1.27 2.39 3.18 6.37
Maximum torque (N.m)
0.96 1.92 3.82 3.82 7.16 9.54 19.11
Rated speed (r/min)
3000
Maximum speed (r/min)
5000
Rated current (A)
0.9 1.55 2.6 2.6 5.1 7.3 12.05
Maximum current (A)
2.7 4.65 7.8 7.8 15.3 21.9 36.15
Power rating (kW/s)
(without brake)
27.7 22.4 57.6 24.0 50.4 38.1 90.6
Rotor moment of inertia
(Kg.m
2
) (without brake)
0.037E-4 0.177E-4 0.277E-4 0.68E-4 1.13E-4 2.65E-4 4.45E-4
Mechanical time constant
(ms) (without brake)
0.75 0.80 0.53 0.74 0.63 0.74 0.61
Torque constant-KT (N.m/A)
0.36 0.41 0.49 0.49 0.47 0.43 0.53
Voltage constant-KE
(mV/(r/min))
13.6 16 17.4 18.5 17.2 16.8 19.2
Armature resistance (Ohm)
9.3 2.79 1.55 0.93 0.42 0.20 0.13
Armature inductance (mH)
24 12.07 6.71 7.39 3.53 1.81 1.50
Electrical time constant (ms)
2.58 4.3 4.3 7.96 8.37 9.3 11.4
Insulation class Class A (UL), Class B (CE)
Insulation resistance
>100MΩ, DC 500V
Insulation strength 1500V AC, 60 seconds
Weight (kg) (without brake)
0.5 1.2 1.6 2.1 3.0 4.3 6.2
Weight (kg) (with brake)
- 1.5 2.0 2.9 3.8 4.7 7.2
Max. radial shaft load (N)
78.4 196 196 245 245 490 490
Max. thrust shaft load (N)
39.2 68 68 98 98 98 98
Power rating (kW/s)
(with brake)
- 21.3 53.8 22.1 48.4 30.4 82
Rotor moment of inertia
(Kg.m
2
) (with brake)
- 0.192E-4 0.30E-4 0.73E-4 1.18E-4 3.33E-4 4.953E-4
Mechanical time constant
(ms) (with brake)
- 0.85 0.57 0.78 0.65 0.93 0.66
Brake holding torque
[Nt-m (min)]
- 1.3 1.3 2.5 2.5 12 12
Brake power consumption
(at 20
o
C) [W]
- 7.2 7.2 8.5 8.5 19.4 19.4
Brake release time [ms (Max)]
- 10 10 10 10 10 10
Brake pull-in time [ms (Max)]
- 70 70 70 70 70 70
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