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About this Manual
This manual contains information that is required to select, design, test, adjust, and maintain Σ-V-MD-series
SERVOPACKs.
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.
Ter m Meaning
Servomotor An SGMMV servomotor in the Σ-V Series.
SERVOPACK An SGDV-MD servo amplifier in the Σ-V-MD Series.
Servo Drive A set including a servomotor and SERVOPACK (i.e., a servo amplifier)
Servo System
A servo control system that includes the combination of a servo drive
with a host controller and peripheral devices
M-III Model
MECHATROLINK-III communications reference used for SERVOPACK
interface
Servo ON Power to motor ON
Servo OFF Power to motor OFF
Base Block (BB)
Power supply to motor is turned OFF by shutting off the base current 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 posi-
tion reference of 0.
• Indicates important information that should be memorized, as well as precautions, such as
alarm displays, that do not involve potential damage to equipment.
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