Allen-Bradley 8520-AMTB Control Panel Keyboard

The Allen-Bradley 8520-AMTB Control Panel Keyboard is an operator interface designed for Allen-Bradley 9-series CNC controllers, pairing a built-in LCD display with eight physical switches and 21 soft keys for on-machine input. The AMTB designation denotes American Machine Tool Builders, and this model is commonly listed as an operator panel accessory in CNC setups within the 8520 family. As part of the 8520 family, it provides a dedicated keyboard alongside the controller for direct local input and control of CNC operations. Model 8520-AMTB is identified by its combination of LCD display, eight switches, and 21 soft keys, making it a compact, purpose-built control panel for compatible 9-series systems.