ABB QHMV-331S Processor Board, also cataloged as YM316001-DM, is a legacy ASEA BROWN BOVERI processor module used in ABB automation systems. The part is identified as QHMV-331S with an alternate part number 56936208-CM, and listings show a weight of 2.75 lb. In vendor catalogs, this board is described specifically as a PROCESSOR BOARD for QHMV-331S configurations, reflecting its role as the central processing unit within that family. Some listings reference YM316001-DM alongside QHMV-331S, illustrating cross-reference naming between ABB and ASEA BOVERI product lines.
