YASKAWA SGDA series User Manual

1.1 Basic Understanding of AC Servos
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4) Servopack for speed/torque control can also provide torque control as shown below.
• Using Servopack for Speed/Torque Control (Torque Control)
Position
monitoring
Position
information
Torque
reference
Host controller
Speed
reference
Servopack for
speed/torque
control
Power
amplifier
(Analog
voltage)
Position
Speed
Convert
Torque
(current)
feedback
Pulse train
Servomotor
Position feedback Encoder
(Analog voltage)
Set the user constants for Servopack to switch between the following torque control
modes:
(1) Controlling servomotor torque by torque reference
(Torque control I)
(2) Operating servomotor by switching between torque reference and speed refer-
ence
(Torque control II)
The host controller outputs a torque reference or speed reference to control the Servo-
pack.
It also receives a pulse train (position information) from the Servopack and uses it to mon-
itor the position.
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YASKAWA SGDA series Specifications

General

Brand	YASKAWA
Model	SGDA series
Category	Servo Drives
Language	English