A02B-0281-C121#TBR is an operator panel / display unit used in CNC systems from FANUC.
📌 Basic Information
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Part Number: A02B-0281-C121#TBR
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Type: CNC Operator Panel with LCD Display
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Controller Series: FANUC Series 0i-D
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Category: CNC operator interface module
⚙️ Main Functions
This unit provides the human–machine interface (HMI) for the CNC machine. It allows the operator to interact with the control system.
Key functions include:
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Displaying CNC operating screens
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Program input and editing of NC programs (G-code)
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Showing machine status, alarms, and diagnostics
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Enabling manual machine operations (MDI, jog, reference return)
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Communicating with the main CNC controller unit
🖥️ Main Components
The A02B-0281-C121 panel typically includes:
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Integrated LCD screen
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Operator keypad
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Function keys and soft keys
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Interface to the CNC control unit
🔎 Meaning of “#TBR”
In FANUC part numbers:
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#TBR represents a specific option or configuration version.
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It may indicate differences such as:
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Keyboard layout
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Display type
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Language configuration
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Machine builder customization
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🔧 Difference from C120
Within the A02B-0281 display series:
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C120
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C121
are different versions of the operator panel, usually differing in hardware revision, screen configuration, or keyboard layout.
✅ Simple explanation:
A02B-0281-C121#TBR = FANUC 0i-D CNC operator panel with LCD display used for machine control, program editing, and system monitoring.