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OKUMA ICB3 Card
Brand: OKUMA -
Code:1006-2102
| Combination name | Availability | Price |
|---|---|---|
Interface Control Board ICB3 – OKUMA 1006-2102
The 1006-2102 is an electronic interface control board ICB3 (“Interface Control Board 3”) manufactured by OKUMA, documented as a component of CNC systems equipped with the OSP (Open System Platform) controller, specifically the OSP5000, OSP7000 series and derivatives. The board handles interface and interpolation functions between the main CNC processor and the axis/spindle control modules. It is not a power board, but a real-time processing node within the controller backplane. It may exist in multiple hardware revisions; always verify compatibility with the installed controller software version.
The ICB3 board plays a critical role in the OKUMA OSP controller architecture: it coordinates the data flow between the CPU unit and the servo-control modules for each axis, ensuring the real-time synchronisation and interpolation required to execute precise tool paths. In the event of failure, the CNC is unable to process interpolated movements: the machine triggers an immediate alarm, preventing any machining operation and rendering the controller completely inoperative until the board is replaced or repaired.
OKUMA Corporation is one of Japan’s leading CNC machine tool builders, founded in 1898 in Nagoya. It is one of the few manufacturers in the world to design and produce machines, controllers, motors and drives entirely in-house (the THINC® / OSP platform). Part number 1006-2102 belongs to the OSP5000/7000 generation, which is now legacy / discontinued: spare parts are available exclusively as used, surplus stock, or through specialist repair services.
Main Technical Specifications
| Type | Interface / interpolation control board (Interface Control Board – ICB3) |
| Part number | 1006-2102 (10062102) |
| Brand | OKUMA Corporation (Nagoya, Japan) |
| Known application | OKUMA CNC machining centres and lathes with OSP5000 / OSP7000 controller (e.g. MC-4VA, MC-5VA, LB15, LB25) |
| Function | Real-time interface and interpolation between main CPU and axis/spindle control modules |
| Main electrical parameters | Logic supply +5 V / ±12 V DC from OSP backplane (typical); very low self-dissipation |
| Bus / Interfaces | On-board connector on proprietary OKUMA OSP backplane; flat/ribbon cable connectors to axis modules |
| Controller compatibility | OKUMA OSP5000, OSP5000L, OSP7000, OSP7000L — verify hardware revision and software version |
| Technology | Multi-layer PCB with SMD and through-hole components; OKUMA-dedicated TTL/CMOS logic |
| Weight | ~0.3–0.7 kg |
| Dimensions | ~200–320 × 150–250 mm |
| Production status | Legacy / discontinued — available as used, surplus stock or specialist repair only |
