MIV22-3-VAC

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The Okuma MIV22-3-VAC servo drive, from the MIV Servo Drives series, is designed for motors with a capacity of 22 kW and weighs 11.2 kg. It boasts a torque ratio of 300% Max Torque/Rated Torque and features a 7-segment LED display for operational status and alarms. The unit includes internal cooling fans.

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Product Description:

The part number MIV22-3-VAC from the company Okuma is represented as a servo drive used for axis and position control in various motors. Okuma is a leader in electromechanical industries and it constructs high-grade designs that are efficient for heavy-duty operations.

The MIV22-3-VAC servo drive has an SWM monitoring installation that begins only after verifying the MIV control unit has a total power shutdown through either circuit breaker switch-off or 24V DC disconnection. It is turned off by disconnecting power. One of the essential requirements includes connecting the SWM unit directly to the MIV drive-through wiring patterns that match this system. It has an ICB inverter board type 3 that must not be used for routing connections since this method completely avoids its operation. This drive operates through its MIV platform design and contains a large capacitor that maintains enough electrical power after power shutdowns. Drive replacement or service occurs with power off and the discharge period needs two minimum minutes. Its logic board and display interface card with inverter module make up a MIV system that supports motors from 22 kW onwards. This system functions through two different power levels that include a 300V drive supply and a 24V control circuit supply.

The MIV22-3-VAC servo drive interfaces other machines primarily through its three data connection types consisting of servo communication encoder data transfer and converter control commands. It also contains its processor which handles tasks related to spindle controls as well as axis motor operations. The unit exists in two operational variations which either serve to control a single motor or operate two motors at once. The system becomes adaptable to broader deployments because one power unit can distribute power to various MIV drives.

Alarm & Error Indication
7-segment LED display for operational & alarm status
Applicable Motor Capacity
22 kW (30 hp)
Built-in Components
Unit case and thermal management system
Communication Link
Servo, encoder & converter link support
Control Board Compatibility
ICB1H compatible with ICB1 & ICB1F
Cooling System
Internal & external cooling fans
Display Mode Function
Supports status indicator via MFP1 card
Inverter Unit Type
MIV22-3
Power Supply Requirement
300 VDC supply & 24 VDC control power
Rated Motor Output (AC)
22/18.5 kW (29.3/24.7 hp)
Terminal Block Warnings
High-voltage resistant terminal block; precautions required
Torque Ratio
Max torque 300% of rated torque
Weight
11.2 kg (24.6 lbs)

Frequently Asked Questions about MIV22-3-VAC:

Q: Can the MIV22-3-VAC operate multiple motors?

A: Yes, it comes in a two-axis version that allows simultaneous control of two motors with independent motion profiles.

Q: What power ratings are supported by the MIV22-3-VAC?

A: It supports motors with capacities up to 22 kW (30 HP), ideal for medium to heavy-duty CNC equipment.

Q: How does the MIV22-3-VAC ensure communication with peripheral systems?

A: It integrates servo link, encoder link, and converter link for reliable real-time communication across all connected modules.

Q: Is the capacitor discharge in MIV22-3-VAC dangerous if not handled properly?

A: Yes, its built-in high-capacity capacitor retains charge; wait at least 2 minutes after shutdown for complete discharge.

Q: Can one DC power supply unit support multiple MIV22-3-VAC drives?

A: Yes, a single DC power source can be connected to several MIV units, simplifying system power distribution.


Internal Product Review

  • ‘‘The MIV22-3-VAC servo drive from Okuma’s MIV series is highly reliable for dual-axis motor control. It efficiently supports VAC motors up to 30 HP and integrates encoder, converter, and servo links. Its built-in safety discharge and robust design make it ideal for industrial automation systems.’’

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