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OKUMA Power Supply
Brand: OKUMA -
Cat: Power Supply
Code:OPUS 5000 GHP
| Combination name | Availability | Price |
|---|---|---|
CNC Control Power Supply Unit – OKUMA OPUS 5000 GHP
The OPUS 5000 GHP is an electronic power supply unit for CNC control (“CNC Control Power Supply Unit”) manufactured by OKUMA, designed as a component of the OPUS 5000 CNC control unit installed on OKUMA machining centres and CNC lathes from the 1980s and 1990s. It converts and regulates the AC mains voltage into the stabilised DC voltages required by the control boards, servo amplifiers, and I/O modules of the system. The suffix GHP identifies the specific variant of this power supply within the OPUS 5000 family.
The power supply is the heart of the CNC control unit’s electrical system: it provides regulated, stable voltages to all active components of the numerical control, from CPU logic to I/O outputs and axis amplifiers. A fault or degradation of its output voltages causes unpredictable CNC behaviour (axis alarms, cyclic CPU resets, parameter loss), immobilising the machine until the unit is replaced or repaired.
OKUMA was founded in 1898 in Nagoya, Japan, and is one of the world’s leading manufacturers of CNC machine tools (lathes, machining centres, grinding machines) and their proprietary control systems. The OPUS series (OPUS 3000, OPUS 5000, OPUS 7000) represents the CNC control generation of the 1980s–1990s, superseded by the open OSP (Open System Platform) still in production today. All products in this family are legacy / discontinued: available only as used, NOS/surplus, or through specialist repair.
Main Technical Specifications
| Type | CNC control power supply unit (CNC Control Power Supply Unit) |
| Part number | OPUS 5000 GHP (OPUS5000GHP) |
| Brand | OKUMA |
| Known application | OKUMA CNC machining centres and lathes equipped with OPUS 5000 control unit |
| Function | Regulated DC supply for CNC control boards, I/O modules and logic circuitry |
| Input voltage | 200–240 V AC, 50/60 Hz (typical for OKUMA OPUS controls) |
| Output voltages | +5 V, ±12 V or ±15 V, +24 V DC |
| Output power | ~100–300 W |
| Protections | Overcurrent, overvoltage, short-circuit (typical) |
| Interfaces / connectors | Edge connectors / terminal strips for integration in OPUS 5000 rack |
| Weight | ~1.5–3.5 kg |
| Dimensions | ~250–400 mm |
| Production status | Legacy / discontinued — used/surplus/repair only |
