All models with a firmware revision capable of supporting the VW3A1101 keypad.
Information not available in current literature.
No, it is not possible to connect multiple drives of different part numbers, to a single HMI. On the ATV61 and ATV71 series drives, it is possible to connect multiple drives to a single HMI, but you can not mix drive part numbers. You can not connect to ATV61 and ATV71 drives, with the same HMI.