MIV05-1-B3 Okuma
Wake Industrial LLC is not an authorized distributor of this product.
The Okuma MIV05-1-B3 is an inverter unit from the MIV Servo Drives series supporting a rated capacity of 4.8 kW and a 1-axis specification. It operates with a main DC supply of 300 VDC and control power at 24 VDC, and is compatible with BL and PREX motors. The unit measures 380 mm in height, 60 mm in width, 325 mm in depth, and weighs 5.7 kg.
Internal Product Review
The MIV05-1-B3 is an Okuma inverter unit configured for 1-axis servo drive service. Support for BL and PREX motors with a 300 VDC main DC supply makes integration straightforward in established machine platforms. A 24 VDC control power requirement adds practical cabinet compatibility, making the unit a strong choice for dependable motion control.
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Product Description:
The MIV05-1-B3 is an inverter unit produced by Okuma for the MIV Servo Drives series. Designed as the power stage for numerically controlled machinery, it transforms power from the shared DC bus into a phase-modulated output that energizes a designated servo axis. By pairing with the BL and PREX motor families, the unit delivers the commanded torque and speed profiles used in tool positioning, feed drives, and auxiliary axes. It sits inside the machine control cabinet and interfaces with the host controller through dedicated power, feedback, and communication backplanes.
The inverter is configured for single-axis operation, so one servo channel is handled by each chassis. Its internal control electronics draw 24 VDC, allowing the module to share a standard logic supply with sensors and interlocks. Power conversion relies on a 300 VDC main bus supplied by the upstream converter, providing steady energy storage for operation and regenerative braking events. A continuous rating of 4.8 kW allows the drive to support moderately sized feed motors without thermal derating during heavy-duty cycles. The cabinet footprint is minimized by a front width of only 60 mm, leaving room for additional amplifiers or I/O cards in tight enclosures.
The enclosure has a depth of 325 mm and a height of 380 mm, giving it a slim, tall profile that aligns with Okuma rack layouts. Its weight of 5.7 kg reduces the load placed on cabinet supports and mounting hardware. Motion data is exchanged over dedicated servo, encoder, and converter links, maintaining synchronized updates among the axis, feedback loop, and DC bus regulator. Address selection is performed with a 5-bit controller ID switch, allowing the host system to distinguish the module from other connected devices. The plug-in MFP1 display card presents alarms and operating status, making diagnostic information available directly at the module.
