YASKAWA SGDA series User Manual

SERVO SELECTION AND DATA SHEETS
5.2.1 Ratings and Specificationscont.
218
*
1
These items and torque-motor speed characteristics quoted in combination with an SGDA
Servopack at an armature winding temperature of 100°C. Other values quoted at 20°C. All
values typical.
*
2
Rated torques are continuous allowable torque values at 40°C with a 250 x 250 x 6 (mm)
(9.84 x 9.84 x 0.24 (in.)) heat sink attached.
NOTE The ratings and specifications above refer to a standard Servomotor.
Add the numerical values below to the moment of inertia values in the table for a motor
fitted with a holding brake and/or a 12-bit absolute encoder.
Other specifications will also change slightly.
Type
SGM−
yp
Item
A3A A5A 01A 02A 04A 08A
Holding brake
kg¡m
2
¢10
−4
0.0085 0.058 0.14
g
(oz¡in¡s
2
¢10
−3
)
(0.120) (0.816) (1.98)
12-bit absolute
d
kg¡m
2
¢10
−4
0.025
encoder
(oz¡in¡s
2
¢10
−3
)
(0.352)
Note When a shaft seal is mounted on a motor, run the motor at the following derating factors be-
cause of increase in friction torque.
SGM− A3A A5A 01A 02A 04A 08A
Derating Rate (%)
70 80 90 95
TERMS
Holding Brake
The holding brake is automatically applied to the
motor shaft to prevent the load falling in vertical axis
applications when the motor power supply is turned
off or fails. It is only to hold the load and cannot be
used for stopping motor.
Motor
Load
Prevent load falling
Load
5

YASKAWA SGDA series Specifications

General

Brand	YASKAWA
Model	SGDA series
Category	Servo Drives
Language	English