Grayhill offers CANopen protocol as a standard option on 3K Series keypads and 3J Series vehicle display controllers (VDCs). Both devices have been deployed with the CAN bus J1939 protocol, featuring tools for development, integration, and maintenance and providing flexible configuration capabilities. Both the J1939 and CANopen interface devices meet specifications and can be customized with legends and parameters without special programming software or tools. Compact, sealed CAN bus keypads integrate with onboard vehicle electronic systems and are suitable for agriculture and construction vehicles. Series 3J VDC is an operator interface device for onboard software featuring an optical rotary encoder for scrolling and a center pushbutton for selecting options with an optional 8-way joystick.