Bulletin 2090-U3BB-D44 is the Ultra 3000 CN1 Breakout Board, a panel-mounted interface that exposes the Ultra 3000 drive’s CN1 44-pin signal set to external wiring via a 44-pin D-sub connector. Cataloged as a CN1 Ultra 3000 Breakout Board (44-pin, D-sub) for the Ultra 3000 drive family, it serves to route drive signals to field devices for servo applications. This variant has been discontinued by Rockwell Automation, with a discontinue date of December 31, 2022 and no planned replacement in the catalog. The product is described in Kinetix motion accessories documentation as a 44-pin terminal block with D-sub connector used on panel-mounted breakout boards for Ultra 3000 drives.
