Description
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📌 FANUC A20B-3300-0360 — Display/Graphics Control Module
FANUC A20B-3300-0360 is a display control / graphics interface PCB module used inside FANUC CNC controller electronics. It’s part of the A20B-3300 series of control boards found in industrial CNC systems.
🧠 What It Does
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📺 Display Control Module: It acts as the video/graphics driver board for the CNC machine’s display — handling the graphics output shown on the screen. This includes driving monochrome or LCD displays and processing the graphic interface data from the controller’s main CPU.
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🖥️ Graphics Interface: Often referred to as an LCD graphics driver or video controller PCB, it plugs into the controller rack and works with the main CPU and HSSB interface for video output.
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🔌 Compatibility: Used in FANUC i-Series “B” controllers such as 16i-B, 18i-B, and 21i-B systems — common on CNC machining centers, milling machines and lathes.
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📊 Function in CNC: Without this module (or equivalent display board), the controller may not show machine status graphics or operator interface screens properly, though the core control logic might still run.
📋 Typical Features
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Part number: A20B-3300-0360
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Category: Display or video/graphics control PCB
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Used with: FANUC control systems from i-B series (16/18/21)
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Role: Drives and manages the operator display graphics and interface output
📌 Notes
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These modules are often sold new, refurbished, or surplus through industrial parts suppliers.
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Replacing this board may require machine parameter and data backups/restores to avoid losing configuration or display settings. (Typical for CNC controller hardware swaps.)
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