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SERVO SELECTION AND DATA SHEETS
4.2.1 Ratings and Specifications
*
Note These characteristics can be obtained when the following heat sink (steel plates) are
4
*
*
*
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2
These values are reference values.
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
*1
Rated Output
*1
Rated Torque
q
*1
Instantaneous Peak Torque
q
*1
Rated Current
Instantaneous Maximum
*1
Current
*1
Rated Speed
Instantaneous Maximum
*1
Speed
Applicable Encoder
Rotor
Without Brake
M
Moment of
f
(×10
Inertia
Inertia
With Brake
[J
[J
=
=
M
M
2
GD
/4]
(×10
M
*1
Rated Angular Acceleration
*1
Rated Power Rate
Brake
Rated Voltage
*2
*2
(optional)
(
i
l)
*3
Capacity
Holding
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.
— 4-12 —
A1C31j
W (HP)
10 (0.013)
N¡m
0.0318
*3
oz¡in
4.5
N¡m
0.0955
*3
oz¡in
13.5
A (rms)
2.1
A (rms)
6.0
−1
min
−1
min
---
2048 P/R incremental encoder
−4
2
0.00354
kg¡m
¢10
−3
2
*3
oz¡in¡s
)
0.0501
−4
2
0.00479
kg¡m
¢10
−3
2
*3
oz¡in¡s
)
0.0678
2
rad/s
90000
kW/s
2.90
V
24 VDC
W
2.0
---
Motor rated torque
A2C31j
A3C31j
20 (0.027)
30 (0.040)
0.0637
0.0955
9.0
13.5
0.191
0.2887
27.0
40.9
2.0
2.9
5.7
8.6
3000
5000
0.00548
0.00689
0.0776
0.0976
0.00673
0.00814
0.0952
0.1152
120000
122300
7.40
11.4
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2.6
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