CANopen is a CAN-based communication system. The CANopen CC (classic) is  based on CAN CC (classic) and the further developed CANopen FD is based  on CAN FD (flexible data rate). CANopen comprises higher-layer  protocols and profile specifications. It has been developed as a  standardized embedded network with highly flexible configuration  capabilities. CANopen CC was designed originally for motion-oriented  machine control systems, such as handling systems. Today it is used in various application fields, such as medical equipment, off-road vehicles, maritime electronics, railway applications, or building automation.

CANopen CC is standardized in EN 50325-4 and maintained at CiA in the document CiA 301. CANopen FD is maintained at CiA in the document CiA 1301.