Description
A20B‑3300‑0282 FANUC Graphic Control Module
Description:
The FANUC A20B‑3300‑0282 is a display/graphic control module (printed circuit board) used in industrial FANUC CNC controllers — especially i‑Series “B” control systems such as FANUC 16i‑B, 18i‑B, and 21i‑B. It interfaces between the controller’s electronics and the machine’s display.
📋 Key Features & Functions
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🖥️ Display Controller PCB: Drives the graphic output for a 9.5‑inch LCD display — commonly monochrome — that shows menus, machining data, coordinates, and operator screens.
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🌐 Ethernet Capability: Built‑in Ethernet support allows networking and communication with other devices or systems. This facilitates remote diagnostics, networked data transfer, or connection to programming stations.
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📌 Series Compatibility: Designed for use in FANUC Series 16i‑B, 18i‑B, and 21i‑B controllers — older but widely‑used CNC control platforms in machine tools and machining centers.
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🔌 Integration: Plugs into the CNC controller’s main board or backplane rack alongside CPU modules, I/O boards, servo axis cards, and power supplies.
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⚠️ Data Consideration: When replaced, you may need to restore backed‑up machine data/parameters after a swap, as the display module may contain configuration or related memory.