Hi,
No, the LP MK3 is quite a different animal.
1- The note numbers assigned are quite different but you may be able to create a custom
user map with the Novation components application that emulates the same note numbers as the MKII
2-The color assignments are also different since the MK3 is RGB where the MK2 is only RG.
If you are on a budget, you can probably get a used spare MK2 in case one of yours fails. Otherwise, you can certainly use MT Pro to remap the MK3 to look like a MK2 to your application. As I said using custom mode and Novation components, you could remap the note numbers but not the colors.
Steve Caldwell
Bome Customer Care
Also available for paid consulting services: bome@sniz.biz