NAMC-03C & NIOC-01C NDCU-11CK UPGRADE KIT IS ALWAYS TO BE USED INSTEAD OF NDCU- 01/01C IF IT CAN BE USED IN THE DRIVE IN QUESTION. ACS60X SINGLE DRIVE NDCU-01/01C CAN BE REPLACED WITH NDCU- 11CK UPGRADE KIT. IN FOLLOWING DRIVES NDCU-01 CAN NOT BE REPLACED: ACS600 MULTIDRIVES, ACP6XX, ADE60X, AVO60X AND ABE60X. PLEASE NOTE THAT THE APPLICATION SOFTWARE IS NOT INCLUDED. PLEASE CHECK ADDITIONAL TECHNICAL NOTE.