Fanuc Stand Alone type MDI unit for 16i/ 18i/ 21i A02B-0281-C126#MBS

📌 Part Overview

A02B-0281-C126#MBS is a symbolic standard vertical separate-type MDI (Manual Data Input) unit used on CNC machine operator panels. It’s part of the A02B-0281 series of FANUC HMI/MDI input modules.

• Part Number: A02B-0281-C126#MBS

• Manufacturer: FANUC

• Series: A02B-0281 (MDI/display/interface modules for FANUC CNC controls)

• Type: Separate-type MDI unit — a dedicated keypad used for manual input to the CNC control.

• Orientation: Vertical mount — designed to install upright on the operator console.

• Keyboard Layout: Symbolic standard keyboard — keys are labeled with symbols rather than plain text, which aligns with international or standardized CNC input conventions.

📌 Functionality

This part functions as an operator input device that allows personnel to enter:

• Manual commands

• Program numbers

• Parameters

• CNC control menu selections

It does not include a display screen — it’s purely a manual input keypad used alongside a CNC controller and display unit.

📌 Typical Use

• Used on FANUC CNC machine controls where the MDI input is separate from the display.

• Commonly found on older or legacy CNC systems that require a stand-alone vertical MDI unit.