Yaskawa Sigma Mini - Manual (Page 162)

SERVO SELECTION AND DATA SHEETS
4.2.1 Ratings and Specifications
— 4-12 —
* 2 These values are reference values.
Note These characteristics can be obtained when the following heat sink (steel plates) are
used for cooling purposes: 150 x 150 x 3 mm (5.91 x 5.91 x 0.12 in.)
24-VDC Servomotors (j25)
Time rating: Continuous
Thermal class: B
Vibration class: 15µm or below
Withstand voltage: 1000 VAC for one minute
Insulation resistance: 500 VDC 10 MΩ min.
Enclosure: Totally enclosed, self-cooled
Ambient temperature: 0°C to 40°C
Ambient humidity: 20% to 80% (non-condensing)
Excitation: Permanent magnet
Drive method: Direct drive
Mounting: Flange method
Standard Servomotors
SGMM Servomotor A1C31j A2C31j A3C31j
Rated Output *1 W (HP) 10 (0.013) 20 (0.027) 30 (0.040)
Rated Torque *1 N¡m 0.0318 0.0637 0.0955 q
oz¡in *3 4.5 9.0 13.5
Instantaneous Peak Torque *1 N¡m 0.0955 0.191 0.2887 q
oz¡in *3 13.5 27.0 40.9
Rated Current *1 A (rms) 2.1 2.0 2.9
Instantaneous Maximum
Current *1
A (rms) 6.0 5.7 8.6
Rated Speed *1 min −1 3000
Instantaneous Maximum
Speed *1
min −1 5000
Applicable Encoder --- 2048 P/R incremental encoder
Rotor
M f
Without Brake ¢ 10 −4 kg¡m 2 0.00354 0.00548 0.00689
Moment of
Inertia
(×10 −3 oz¡in¡s 2 ) *3 0.0501 0.0776 0.0976
Inertia
[J
M
=
With Brake ¢ 10 −4 kg¡m 2 0.00479 0.00673 0.00814
[J
M
=
GD 2
M
/4] (×10 −3 oz¡in¡s 2 ) *3 0.0678 0.0952 0.1152
Rated Angular Acceleration *1 rad/s 2 90000 120000 122300
Rated Power Rate *1 kW/s 2.90 7.40 11.4
Brake
( i l) *2
Rated Voltage V 24 VDC ---
(optional) *2
Capacity *3 W 2.0 2.6 ---
Holding
Torque
--- Motor rated torque ---
* 1 These items and torque-speed characteristics are quoted in combination with an SGDF
SERVOPACK at an armature winding temperature of 20°C.
* 2 The brake is used as a holding brake (non-excitation operation). It cannot be used to stop
the Servomotor.
* 3 These values are reference values.
4