Meet the LBR iisy robot from KUKA: a lightweight, scalable collaborative robot that can be easily programmed for new tasks. It can take on loading/unloading, packaging, testing, and other tasks. It has a payload of 3kg and reach of 600mm.
This 6-axis robot arm weighs only 18.8kg. It has OPC UA, field bus protocols, digital and analog I/Os, and other standard functions.