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High-performance control board designed to regulate spindle motor speed and operation in Fanuc Series 16/18 CNC systems. Model Number: A20B‑2901‑098 Board Type: Spindle control/interface board System Compatibility: Fanuc Series 16/18 CNC systems (used in milling, turning, grinding machines) Function: Manages spindle drive signals including speed feedback, acceleration/deceleration control, direction commands, and fault diagnostics Input/Output Signals: Encoder/checksum inputs, drive command outputs, limit and interlock inputs Protection: Includes overvoltage, overcurrent, and thermal fault monitoring circuitry Diagnostic Features: Onboard LEDs indicate power, control activity, fault conditions, and spindle enable status Construction: Multilayer industrial-grade PCB with isolated ground planes and high-reliability components Mounting Format: Plug-in board slot for standard yellow Fanuc modular chassis Cooling Method: Passive cooling assisted by rack ventilation; may include thermal pads or heat spreaders Connectors: Rear edge connector for rack bus and front/back terminal blocks for field wiring Country of Manufacture: Japan (Fanuc Ltd.) Typical Use Case: Precision spindle control in CNC machine tools, retrofits, repair, and upgrades for Fanuc-based systems Please review pictures carefully and let us know if you have any questions!
Condition: Used
Weight: 0.10
Depth: 4.00
Length: 10.00
Width: 8.00
SKU: 4285 4.S8.8.4C
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