4XP0000.00-K20 cHMI Add-on Keyboard Technical Description

This document provides the technical description and specifications for the cHMI Add-on Keyboard (model 4XP0000.00-K20), including safety notices, installation guidelines, interface descriptions, and technical data. It covers the device's supply voltage, X2X interface, status LEDs, dimensions, and key/LED matrix for the keyboard extension.