Control functions can be built into the keyboard extension below the display unit, such as emergency stop buttons, electromechanical keys, 45 membrane keys for axis control, spindle and override, and two Gray code switches. The CP6842-xxxx is rated IP65 in front and IP20 in the back. The CP7842-xxxx is rated IP65. They can be installed at the machine, connected from the top, or via an adapter plate (without auxiliary housing).
Beckhoff Automation, 12150 Nicollet Ave. S, Burnsville, MN 55337, (952) 890-0000, beckhoffautomation.com