MIV08A-3-V5

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The MIV08A-3-V5 inverter unit is designed for VAC motors, offering a rated continuous capacity of 7.5 kW (10 hp), dimensions of 380x100x325 mm, and a weight of 7.3 kg. Part of the MIV Servo Drives from Okuma, it features compatibility with ICB3H, ICB3, or ICB3F control boards.

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Product Description:

The model MIV08A-3-V5 from Okuma represents the MIV Servo Drives series. The drive delivers a rated continuous capacity of 7.5 kW (10 HP) and provides ample power for moderate industrial tasks. Its external dimensions measure 380 mm x 100 mm x 325 mm (14.96 in x 3.94 in x 12.79 in), guaranteeing fit into a variety of mechanical layouts without excess bulk. Weighing 7.3 kg (16.1 lbs.), the design balances strength and portability, making it ideal for applications that demand precise drive control and ease of installation.

Its construction as an inverter unit for VAC motors emphasizes its specialized design for converting DC power into an appropriate AC waveform. The power source requirements call for both 300 VDC and 24 VDC, which allows it to operate reliably under varied electrical conditions. The output voltage range spans from -3 V to +3 V, offering fine signal control. A motor speed output unit of 1562 min⁻¹/V provides predictable speed regulation per volt applied. In addition, the resolver signal output voltage is typically 6.0 V, while the magnetic encoder A-phase signal voltage ranges from 2.6 V to 4.6 V.

The magnetic encoder’s Z-phase signal voltage is specified at 1.4 V or higher, which further refines signal clarity. Motor voltage error for both d-axis and q-axis components is maintained within -3V to +3V with a multiplication factor of 1/42, supporting high precision in control loops. Although the operational temperature range details are unavailable (consult the manual), the unit type for configuration is designated as MIV08-3 for VAC motor systems, representing system compatibility. Furthermore, the control board accepts ICB3H, ICB3, or ICB3F and streamlines integration with various control platforms.

Construction Type
Inverter Unit for VAC Motors
Control Board Compatibility
ICB3H, ICB3, or ICB3F
External Dimensions
380 mm x 100 mm x 325 mm (14.96 in x 3.94 in x 12.79 in)
Magnetic Encoder A-phase Signal Voltage
2.6 V to 4.6 V
Motor Control Compatibility
VAC Motors
Motor Speed Output Unit
1562 min-1/V
Motor Voltage Error (d-axis And Q-axis Components)
-3 V to +3 V with multiplication factor 1/42
Operational Temperature Range
Details unavailable, consult manual.
Output Voltage Range
-3 V to +3 V
Power Source Requirements
300 VDC and 24 VDC
Rated Continuous Capacity
7.5 kW (10 hp)
Resolver Signal Output Voltage
6.0 V (typical)
Unit Type For Configuration
MIV08-3 for VAC Motor Systems
Unit Weight
7.3 kg (16.1 lb)
Z-phase Signal Voltage (magnetic Encoder)
1.4 V or higher

Frequently Asked Questions about MIV08A-3-V5:

Q: How does the rated continuous capacity affect the performance of the MIV08A-3-V5?

A: A continuous capacity of 7.5 kW (10 hp) ensures the drive can sustain moderate loads for extended periods. This power level supports reliable operation in various industrial applications.

Q: What installation benefits do the external dimensions offer?

A: The dimensions of MIV08A-3-V5 380 mm x 100 mm x 325 mm allow for easy placement in limited spaces. This compact footprint helps streamline system design and installation.

Q: How does compatibility with VAC Motors enhance the functionality of the MIV08A-3-V5?

A: Designed specifically for VAC Motors, the unit integrates well with standard AC systems. It simplifies motor selection and system configuration for seamless performance.

Q: What advantage does the inverter construction provide in this product?

A: Being an inverter unit for VAC Motors, it efficiently converts DC inputs to the required AC waveform. This design of MIV08A-3-V5 supports precise control in dynamic applications.

Q: How do the power source requirements influence system integration?

A: The requirement for both 300 VDC and 24 VDC ensures operational versatility. This dual-voltage setup of MIV08A-3-V5 allows for flexible interfacing within varied electrical systems.


Internal Product Review

  • ‘‘With external dimensions of 380 mm x 100 mm x 325 mm, the MIV Servo Drives series model MIV08A-3-V5 fits compactly in constrained spaces. This Okuma inverter unit has unique design which eases installation and streamlines integration into your automation system, ensuring effective performance for precise control tasks.’’

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