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OKUMA ICB1 Card
Brand: OKUMA -
Code:1006-2100
| Combination name | Availability | Price |
|---|---|---|
Interpolation Control Board ICB1 – OKUMA 1006-2100
The 1006-2100 is an interpolation control board ICB1 (“Interpolation Control Board 1”) by OKUMA Corporation, a component of the OKUMA OSP (Open System Platform) CNC control system, documented on OSP-5000L and OSP-7000L series controllers. The board handles real-time interpolation calculations required for multi-axis motion coordination, interfacing with the main CPU board and the axis control boards within the OSP rack. The part number 1006-2100 uniquely identifies this PCB revision; the designation ICB1 indicates its primary slot position in the control rack.
The ICB1 board is the computational core of CNC interpolation: it processes NC program blocks in real time and calculates velocity ramps and coordinated trajectories for all controlled axes. Without it, the control system cannot execute any interpolated movement, rendering the machine completely unusable for machining. A failure on this board typically manifests as system errors, axis lockout, or inability to start the automatic cycle.
OKUMA Corporation is one of Japan’s leading CNC machine tool manufacturers, founded in 1898 in Nagoya. The company is the world’s only manufacturer that designs both its machines and its own CNC controls (the OSP series) entirely in-house, ensuring fully proprietary hardware/software integration. Components of the OSP-5000/7000 series are legacy / discontinued: spare parts are available only as used, NOS from residual stock, or through specialist repair.
Main Technical Specifications
| Type | Interpolation control board (Interpolation Control Board) |
| Part number | 1006-2100 (10062100) |
| Brand | OKUMA Corporation |
| Known application | OKUMA OSP-5000L, OSP-7000L CNC controllers and related series |
| Function | Real-time interpolation calculation and multi-axis motion coordination |
| Logic supply voltages | +5 V DC, ±12 V DC (typical OSP control) |
| Processor | DSP / dedicated interpolation microprocessor (typical OSP architecture) |
| Communication bus | OKUMA OSP proprietary internal bus (rack backplane) |
| Interfaces / connectors | Edge connectors on rack backplane; flat cable to axis control boards |
| Rack position | ICB1 slot (primary position in the OSP control rack) |
| Weight | ~0.5–1.2 kg |
| Dimensions | ~300–400 mm × 200–280 mm |
| Production status | Legacy / discontinued — used/surplus/repair only |
