Product Description:

The MIV08-1-P1 inverter unit is produced by Okuma and belongs to the MIV Servo Drives series. Intended for closed-loop motion control, the module feeds and monitors one servo axis by processing command data from the CNC and delivering conditioned power to a connected motor. Within an automation cell, it occupies the slot reserved for the drive stage that supports compatible BL or PREX synchronous motors, regulating torque, speed, and position to keep machining cycles synchronized.

Because it is configured for one axis, the power section dedicates all available current to a single drive channel. Low-level electronics on the drive are supplied with a control power of 24 VDC, allowing logic circuits to remain active for status reporting even when the main bus is de-energized. The shared DC link operates at 300 VDC, which the inverter chops into a three-phase U/V/W output for the motor leads; this topology minimizes mains distortion and enables rapid energy exchange between axes. The internal control board, designated ICB1, hosts the gate drivers and sampling converters that execute current loops at high frequency. With a rated capacity of 7.5 kW, the unit can deliver full mechanical output to a compatible motor without derating.

Thermal management is handled by forced-air cooling, which directs cabinet airflow across the heat sink fins and helps maintain semiconductor junction temperature while the DC link is loaded. The front panel houses the MFP1 display card, which provides parameter adjustment and alarms through the servo, encoder, and converter link types routed on a high-speed backplane. The chassis measures 100 mm in width, 325 mm in depth, and 380 mm in height, so it fits standard rack frames beside other MIV modules. The assembly weighs 7.3 kg, which keeps handling manageable in vertical control cabinets.