YASKAWA SMG Series

FOR FIRST-TIME USERS OF AC SERVOS
4
3) Servo control system
Servo control system is almost synonymous with servo mechanism but places the focus on
system control. In this manual, the term “servo system” is also used as a synonym of servo
control system.
Related Terms Meaning
Servomotor
General servomotors or Yaskawa SGMj servomotors. In
some cases, a position detector (encoder) is included in a
servomotor.
SERVOPACK Trademark of Yaskawa servo amplifier “SGDB
SERVOPACK.”
Servo drive A servomotor and amplifier pair. Also called “servo.”
Servo system A closed control system consisting of a host controller,
servo drive and controlled system to form a servo
mechanism.
Host controller
Reference
Amplifier
(SERVOPACK)
Servomotor
Operate
Controlled
system
Servo drive
Servo system
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