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About this Manual
This manual describes information required for designing, testing, adjusting, and maintaining
Σ
-V-SD Series
servo drives.
Keep this manual in a location where it can be accessed for reference whenever required. Manuals outlined on
the following page must also be used as required by the application.
Description of Technical Terms
The following table shows the meanings of terms used in this manual.
IMPORTANT Explanations
The following icon is displayed for explanations requiring special attention.
Term
Meaning
Spindle Motor
Σ
-V-SD Series UAKAJ and UAKBJ motor
Servomotor
Σ
-V-SD Series SGMGV servomotor
Power Regeneration
Converter
Σ
-V-SD Series CACP-JU converter
SERVOPACK
Σ
-V-SD Series CACR-JU servo amplifier
SERVOPACK for One Axis
A SERVOPACK that can control one motor
SERVOPACK for Two Axes
A SERVOPACK that can control two motors
Σ
-V-SD Driver
A power regeneration converter and a SERVOPACK
Servo Drive
A set including a servomotor (or a spindle motor) and a
Σ
-V-SD driver
Servo System
A complete system that consists of a servo drive, a host controller, and
peripheral devices
Servo ON
The power to the motor ON
Servo OFF
The power to the motor OFF
Base Block (BB)
The power supply to motor is turned OFF by shutting off the base cur-
rent to the power transistor in the current amplifier.
Servo Lock
A state in which the motor is stopped and is in position loop with a
position reference of 0.
DC-bus Voltage
The main circuit DC voltage (between P and N terminals) in a power
regeneration converter and a SERVOPACK
• Indicates important information that should be memorized, as well as precautions,
such as alarm displays, that do not involve potential damage to equipment.
