MIV22-3-V5 Okuma
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The Okuma MIV22-3-V5 is an inverter unit from the MIV Servo Drives series, designed for one axis and weighing 11.2 kilograms. It is compatible with VAC and IPM motors and features a control power voltage of 24 VDC and a DC bus voltage of 300 VDC. The unit supports Molex 53460-0611 connectors and offers a capacity of 22 kW or 30 hp on the L side.
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Product Description:
The MIV22-3-V5 is an Okuma inverter unit in the MIV Servo Drives series, and it is intended to operate a single CNC motion axis in an industrial automation cell. Installed inside an Okuma control cabinet, the drive communicates directly with the machine controller to regulate motor torque and speed while converting incoming DC-bus energy into three-phase motor output. The inverter supports either VAC or interior permanent-magnet servo motors, allowing it to serve tools, loaders, and auxiliary axes in precision machine tools. Its power electronics regulate the motor current, while integrated feedback processing monitors axis movement and corrects deviations from commanded motion. Internal protection circuits monitor operating conditions and help prevent electrical faults from damaging the drive or connected motor.
This model controls one axis, so its processing and input/output resources are dedicated to a single motor channel. The logic section operates from 24 VDC, which keeps the control electronics energized when the main power link is isolated. Motor power is supplied through a shared link operating at 300 VDC, allowing regenerative energy to pass between compatible devices connected to the same bus. Command and feedback data travel through dedicated servo, encoder, and converter links for coordinated communication with the machine control system. The front panel includes a Molex 53460-0611 connector that provides a keyed connection for low-level signals. Its keyed design helps prevent incorrect connector orientation and supports orderly cable routing inside the control cabinet.
The aluminum housing measures 380 × 150 × 325 mm, allowing the inverter to fit inside machine panels with a depth of approximately 400 mm while preserving space for ventilation. Its L-side power output reaches 22 kW, providing the capacity needed for demanding spindle or feed-axis applications. The assembly weighs 11.2 kg, which reduces the load placed on the cabinet mounting structure. The electrical output is compatible with VAC and IPM motors, giving the unit flexibility across supported Okuma motion systems. Field wiring connects to screw terminal blocks identified as XT1 M6 and XT2 M8, which accommodate suitable ring-lug connections commonly used in machining centers. The aluminum enclosure also supports heat transfer away from internal power components, while the surrounding cabinet space permits airflow across heat-dissipating surfaces.
