Overview
The Fanuc A20B-1006-0290/02B is a main CPU board designed for FANUC System 16 and System 18 CNC control platforms. This processor board is the core control unit governing spindle operations, axis motion, and all machine functions. Built to FANUC engineering standards, this CPU board delivers the computational performance required for reliable and precise CNC machine control in demanding industrial environments.
Key Features
- Main processor unit for FANUC System 16/18 CNC controls
- Handles spindle control, servo axis command generation, and machine logic execution
- Designed for high-reliability industrial automation and machine tool control
- Compatible with FANUC legacy control architecture
- Compact PCB form factor for standard rack mounting
Technical Specifications
The board incorporates FANUC proprietary processor architecture optimized for real-time CNC command execution. Standard operating environment includes 0–50°C ambient temperature range typical for industrial machine tool installations. Power requirements follow FANUC System 16/18 standard distribution rails.
Typical Applications
- CNC machining centers (System 16/18 equipped)
- Multi-axis turning and milling operations
- Manual or automatic tool changing systems
- Legacy industrial machine tool retrofits and repairs
- Original equipment manufacturer (OEM) replacement and service
Compatibility & Replacements
Compatible With
- FANUC System 16 CNC controls
- FANUC System 18 CNC controls
- FANUC System 16 family machine tool platforms
- FANUC System 18 family machine tool platforms
- Standard FANUC control rack backplane and slot configuration
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator or FANUC service documentation before ordering. Original equipment applications typically require exact board revision matching.
Works With
- FANUC System 16/18 servo drive modules
- FANUC spindle control boards
- FANUC I/O and interface modules
- FANUC memory expansion modules (A20B-series)
- FANUC system backplane interconnects
