MIV0203-1-B1

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The MIV0203-1-B1 servo drive is designed for compatibility with 2-axis specification BL motors and weighs 6.3 kilograms. Manufactured by Okuma and part of the MIV Servo Drives series, it supports a motor capacity of 2.8 kW × 3 kW. Additionally, it operates using an inverter control board and display card system.

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Product Description:

The MIV0203-1-B1 Servo drive is perfect for accurate control in CNC machines. The servo drive is a 2-axis control inverter unit from Okuma's MIV Series. There is dependable control of the servo and spindle motors. High performance is provided by this servo drive, which focuses on motion control. When it comes to automation in industrial settings, the servo drive is tailor-made to meet the demands of applications that need maximum precision and efficiency.

The servo drive's ability to regulate servo motors' varied AC output makes it an ideal component for CNC machines. In order to regulate the servo drive, you can choose between three modes: speed, torque, and position. With an input voltage range of 200V to 230V AC (three-phase), the MIV0203-1-B1 servo drive is capable of handling a rated output power of 2.8 kW × 3.0 kW (3.73 HP × 4 HP). You can dial in the exact amount of speed, torque, and positioning control for the motor with each of the three modes. Using vector control and pulse width modulation (PWM) technology, the control system ensures extremely precise motion.

The cooling system of the MIV0203-1-B1 servo drive uses forced-air cooling in combination with a heat sink to maintain optimal performance. Its rated frequency is 50/60 Hz, making it compatible with motors from the BL series. The drive has an overall weight of 17.2 pounds and dimensions of 14.96 × 3.94 × 12.79 inches, on the outside. Within CNC cabinets, the inverter can be attached to a panel or a DIN rail. Operational status and alerts are shown by LED indicators. Digital diagnostics are also a part of the servo drive, so you can fix problems quickly and easily. The latest CNC systems rely on this mix of capabilities to control their motors precisely and reliably.

Applicable Motor Capacity
2.8 kW × 3 kW (3.73 hp × 4 hp)
Control Mode
Based on inverter control board and display card
Control Type
Vector control, PWM control
Input Voltage
200V to 230V AC (Three-Phase)
Magnetic Encoder A-phase Signal Vpp
2.6 to 4.6 V (3.3 V when adjusted correctly)
Motor Output Torque
Peak torque at +3 V output
Motor Speed Range
-3 V to +3 V output, 1562 min-1/V
Output Voltage
Variable AC output
Rated Frequency
50/60 Hz
Rated Output Power
2.8 kW × 3.0 kW (3.73 HP × 4 HP)
Rated Weights
6.3 kg (13.9 lbs)
Resolver Signal Vpp
6.0 V (typical)
System Connection Capability
Supports 300 VDC and 24 VDC
Unit Compatibility
For 2-axis specification BL motors
Voltage Range
-3 V to +3 V

Frequently Asked Questions about MIV0203-1-B1:

Q: How does Okuma MIV0203-1-B1 maintain motor performance?

A: The unit uses vector control for precise servo motor control. It allows smooth operation and high motor efficiency.

Q: Does the Okuma MIV0203-1-B1 support multiple motor types?

A: The unit is specifically designed for Okuma BL series motors. It ensures compatibility and optimized performance with these motors.

Q: Why is forced-air cooling used in Okuma MIV0203-1-B1?

A: Forced-air cooling helps to dissipate heat and maintain optimal performance. It prevents overheating and ensures reliable operation under load.

Q: How does the Okuma MIV0203-1-B1 handle varying loads?

A: The inverter unit has three operating modes: speed, torque, and position control. These modes provide flexibility for varying load conditions.

Q: Do the Okuma MIV0203-1-B1’s communication ports ensure integration?

A: Yes, the inverter supports Servo Link, Encoder Link, and Converter Link ports. They ensure seamless integration with CNC systems.


Internal Product Review

  • ‘‘Okuma MIV0203-1-B1 is a high-performance inverter unit designed for CNC applications. It offers 2.8 kW rated output power and integrates seamlessly with Okuma BL series motors. Its advanced vector control ensures precise movement and efficient torque management. The cooling system with forced-air cooling ensures reliable operation even under load.’’

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