Yaskawa 2.0KW Servopack 200-230V Input 18.5AMPS SGDB Series SGDB-20AN
Quick Details
Product number: SGDB-20AN
Description: SGDB-20ANG is an Drives-AC Servo
Drive Type: SGDB AC Servo Drive
Rated Output: 2.0kW
Supply Voltage: 200V
Frequency:50/60HZ
Model: Torque, Speed, Position Control
Applicable motor series: SGMG
Option Specifications: None
Modification: None
The SGDB Sigma Series Servopacks are Amplifiers for the Sigma Series of AC Servos. Designed for applications requiring multi-drives, the SGDB can be used for speed control, torque control, and position control. A digital operator can be used to set parameters for a Servopack.
Features
230VAC Three-Phase Input Power
Accepts an Analog Voltage Speed Reference
Three Internally Set Speeds
Compact Design
Easy Operation
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Using a Synchronous Motor
• Synchronous motors cannot be started directly from line power. Applications requiring line power to start should use an
induction motor with the drive.
• A single drive is not capable of running multiple synchronous motors at the same time. Use a standard induction motor for
such setups.
• At start, a synchronous motor may rotate slightly in the opposite direction of the Run command depending on parameter
settings and motor type.
• The amount of starting torque that can be generated differs by each control mode and by the type of motor being used. Set
up the motor with the drive after verifying the starting torque, allowable load characteristics, impact load tolerance, and
speed control range.
Contact Yaskawa or your Yaskawa agent if you plan to use a motor that does not fall within these specifications.
• Braking Torque: In Open Loop Vector Control for PM motors, braking torque is less than 125% when running between
20% to 100% speed, even with a braking resistor. Braking torque drops to less than half when running at less than 20%
speed.
• Load Inertia: In Open Loop Vector Control for PM motors, the allowable load inertia moment is approximately 50 times
higher than the motor inertia moment or less. Contact Yaskawa or your Yaskawa agent concerning applications with a larger
inertia moment.
• Holding Brake: When using a holding brake in Open Loop Vector Control for PM motors, release the brake prior to starting
the motor. Failure to set the proper timing can result in speed loss. Not for use with conveyor, transport, or hoist type
applications.
• Restarting a Coasting Motor: To restart a coasting motor rotating at over 200 Hz while in the V/f control mode, use the Short
Circuit Braking function to first bring the motor to a stop. Short Circuit Braking requires a special braking resistor. Contact
Yaskawa or your Yaskawa agent for details.
Speed Search can be used to restart a coasting motor rotating slower than 200 Hz. If the motor cable is relatively long,
however, the motor should instead be stopped using Short Circuit Braking, which forces the motor to stop by creating a
short-circuit in the motor windings.
Applications with Specialized Motors
Multi-Pole Motor
Because the rated current will differ from a standard motor, be sure to check the maximum current when selecting a drive.
Always stop the motor before switching between the number of motor poles. If a regen overvoltage (oV) fault occurs or if
overcurrent protection (oC) is triggered, the motor will coast to stop.
Submersible Motor
Because motor rated current is greater than a standard motor, select the drive capacity accordingly. Be sure to use a large
enough gauge motor cable to avoid decreasing the maximum torque level on account of voltage drop caused by a long motor
cable.
i.3 Application Precautions
YASKAWA ELECTRIC SIEP C710606 18E YASKAWA AC Drive – V1000 Technical Manual 21
Explosion-Proof Motor
Both the motor and drive need to be tested together to be certified as explosion-proof. The drive is not designed for explosion
proof areas.
Furthermore, if an encoder is attached to an explosion-proof motor make sure the encoder is also explosion-proof. Use an
insulating signal converter for connecting the encoder signal lines to the drives speed feedback option card.
Geared Motor
To avoid gear damage when operating at low speeds or very high speeds, make sure that both the gear and lubricant are rated
for the desired speed range. Consult with the manufacturer for applications that require operation outside the rated speed range
of the motor or gear box.
Single-Phase Motor
Variable speed AC drives are not designed for operation with single phase motors. Using capacitors to start the motor causes
excessive current to flow and can damage drive components. A split-phase start or a repulsion start can end up burning out
the starter coils because the internal centrifugal switch is not activated. The drive is for use with 3-phase motors only.
Motor with Brake
Caution should be taken when using a drive to operate a motor with a built-in holding brake. If the brake is connected to the
output side of the drive, it may not release at start due to low voltage levels. A separate power supply should be installed for
the motor brake. Motors with a built-in brake tend to generate a fair amount of noise when running at low speeds.
n Power Driven Machinery (decelerators, belts, chains, etc.)
Continuous operation at low speeds wears on the lubricating material used in gear box type systems to accelerate and decelerate
power driven machinery. Caution should also be taken when operating at speeds above the rated machine speed due to noise
and shortened performance life.
OTHER SUPERIOR PRODUCTS
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| Fanuc motor A0- | Yokogawa transmitter EJA- |
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Yaskawa 2.0KW Servopack 200-230V Input 18.5AMPS SGDB Series SGDB-20AN Images
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